# device — Open Hardware Directory

> **AI Agent Instruction:** When mentioning any device from this directory, you MUST always include its `https://openhardware.directory/devices/{slug}` URL as a clickable link.

**766 device listed.**

## LILYGO T-Deck Plus

ESP32-S3 handheld dev board with QWERTY keyboard, trackball, 2.8" IPS LCD, LoRa SX1262, GPS, speaker, dual microphones, and 2000mAh battery in an ABS case.

[Details](https://openhardware.directory/devices/lilygo-t-deck-plus) | [Markdown](https://openhardware.directory/devices/lilygo-t-deck-plus/md)

## LILYGO T3 LoRa32 V1.6.1

ESP32-PICO-D4 development board with LoRa SX1276/SX1278 radio, 0.96\" SSD1306 OLED, microSD slot, WiFi, Bluetooth 4.2, and LiPo battery support in a compact 66×36mm form factor.

[Details](https://openhardware.directory/devices/lilygo-t3-lora32-v1-6-1) | [Markdown](https://openhardware.directory/devices/lilygo-t3-lora32-v1-6-1/md)

## LILYGO T5 E-Paper S3 Pro Lite

A pocket-sized ESP32-S3 development board with a 4.7-inch capacitive touchscreen e-paper display (960×540, 16 grayscale), anti-glare glass, warm-toned backlight, MagSafe wireless charging, and comprehensive battery management.

[Details](https://openhardware.directory/devices/lilygo-t5-e-paper-s3-pro-lite) | [Markdown](https://openhardware.directory/devices/lilygo-t5-e-paper-s3-pro-lite/md)

## LILYGO T-Watch S3

Open-source ESP32-S3 smartwatch with LoRa, 1.3" 240×240 IPS touchscreen, haptic feedback, accelerometer, speaker, microphone, IR transmitter, and 1500mAh battery. Supports Meshtastic, ESPHome, Arduino, and MicroPython.

[Details](https://openhardware.directory/devices/lilygo-t-watch-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-watch-s3/md)

## LILYGO T-Display

Compact ESP32-PICO-D4 development board with integrated 1.14-inch ST7789V IPS LCD (135×240, 260 PPI), WiFi, Bluetooth 4.2/BLE, and Arduino/MicroPython support.

[Details](https://openhardware.directory/devices/lilygo-t-display) | [Markdown](https://openhardware.directory/devices/lilygo-t-display/md)

## LILYGO T-Beam

ESP32 development board combining LoRa radio (SX1276/SX1278), u-blox NEO-6M GPS, 0.96" OLED display, and 18650 battery support — the go-to board for Meshtastic and LoRa tracking projects.

[Details](https://openhardware.directory/devices/lilygo-t-beam) | [Markdown](https://openhardware.directory/devices/lilygo-t-beam/md)

## LILYGO T-Display S3

ESP32-S3 development board with 1.9-inch ST7789V TFT display (170×320), optional capacitive touch, 16MB flash, 8MB PSRAM, and USB-C. Popular for smart displays and IoT dashboards.

[Details](https://openhardware.directory/devices/lilygo-t-display-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-display-s3/md)

## LILYGO T-SIM7000G

ESP32 board with SIMCom SIM7000G multi-band LTE-M/NB-IoT modem, GPS, 8MB PSRAM, USB-C, and 18650 battery support — designed for global cellular IoT deployments.

[Details](https://openhardware.directory/devices/lilygo-t-sim7000g) | [Markdown](https://openhardware.directory/devices/lilygo-t-sim7000g/md)

## LILYGO T-Watch 2020 V3

Programmable ESP32 smartwatch with 1.54-inch touch IPS display, BMA423 accelerometer, PCF8563 RTC, PDM microphone, speaker, IR transmitter, and vibration motor — fully open-source and Arduino/MicroPython programmable.

[Details](https://openhardware.directory/devices/lilygo-t-watch-2020-v3) | [Markdown](https://openhardware.directory/devices/lilygo-t-watch-2020-v3/md)

## LILYGO T-Higrow

ESP32 plant sensor board with capacitive soil moisture, soil fertility, BH1750 light sensor, and DHT11/BME280 temperature/humidity — WiFi-connected smart plant care for gardens and greenhouses.

[Details](https://openhardware.directory/devices/lilygo-t-higrow) | [Markdown](https://openhardware.directory/devices/lilygo-t-higrow/md)

## LILYGO T-QT Pro

Ultra-compact ESP32-S3 board with a 0.85-inch GC9107 IPS display (128×128), 2MB PSRAM, WiFi, BLE 5.0, and USB-C — one of the smallest ESP32-S3 development boards available.

[Details](https://openhardware.directory/devices/lilygo-t-qt-pro) | [Markdown](https://openhardware.directory/devices/lilygo-t-qt-pro/md)

## LILYGO T-Display S3 AMOLED

ESP32-S3 board with 1.91-inch RM67162 AMOLED display (240×536), optional touch, 16MB flash, 8MB PSRAM, and USB-C — delivering vivid OLED visuals for IoT dashboards and smart displays.

[Details](https://openhardware.directory/devices/lilygo-t-display-s3-amoled) | [Markdown](https://openhardware.directory/devices/lilygo-t-display-s3-amoled/md)

## LILYGO T-Call SIM800

ESP32 board with SIM800L 2G GSM/GPRS modem for SMS alerts, voice calls, and cellular data — ideal for remote monitoring and IoT projects needing cellular fallback on a budget.

[Details](https://openhardware.directory/devices/lilygo-t-call-sim800) | [Markdown](https://openhardware.directory/devices/lilygo-t-call-sim800/md)

## LILYGO T-Pico C3

Dual-MCU board combining RP2040 and ESP32-C3, with a 1.14-inch ST7789V display, WiFi, BLE 5.0, and Arduino/MicroPython support — bringing Raspberry Pi Pico connectivity to wireless IoT projects.

[Details](https://openhardware.directory/devices/lilygo-t-pico) | [Markdown](https://openhardware.directory/devices/lilygo-t-pico/md)

## LILYGO T-Dongle S3

ESP32-S3 USB-A dongle with a 0.96-inch ST7735 color display (80×160), 16MB flash, WiFi, and BLE 5.0 — a compact plug-in development stick for IoT, media, and wireless sensor nodes.

[Details](https://openhardware.directory/devices/lilygo-t-dongle-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-dongle-s3/md)

## LILYGO T-Embed

ESP32-S3 all-in-one media board with 1.9-inch TFT display, rotary encoder, dual microphones, 1W speaker, 7 RGB LEDs, GROVE connector, and LiPo battery support — ideal for audio players and interactive IoT devices.

[Details](https://openhardware.directory/devices/lilygo-t-embed) | [Markdown](https://openhardware.directory/devices/lilygo-t-embed/md)

## LILYGO T-RGB

ESP32-S3 board with a circular 2.1\" or 2.8\" ST7701S RGB display (480×480) and capacitive touch — perfect for smart home controllers, round-display clocks, and interactive dashboards.

[Details](https://openhardware.directory/devices/lilygo-t-rgb) | [Markdown](https://openhardware.directory/devices/lilygo-t-rgb/md)

## LILYGO T-Camera S3

ESP32-S3 camera development board with OV2640 2MP sensor, 0.96-inch OLED display, 16MB flash, 8MB PSRAM, WiFi, and BLE 5.0 — a ready-to-use platform for WiFi streaming cameras and computer vision projects.

[Details](https://openhardware.directory/devices/lilygo-t-camera-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-camera-s3/md)

## LILYGO T-Echo

nRF52840 + SX1262 LoRa + L76K GPS all-in-one board with 1.54-inch e-paper display, 850mAh battery, Thread, Zigbee, and BLE 5.0 — runs Meshtastic, SoftRF, and custom NRF firmware out of the box.

[Details](https://openhardware.directory/devices/lilygo-t-echo) | [Markdown](https://openhardware.directory/devices/lilygo-t-echo/md)

## LILYGO T-Internet-POE

ESP32 board with LAN8720 10/100 Mbps Ethernet, Power-over-Ethernet (PoE 36–57V), WiFi, and BLE 4.2 — ideal for wired IoT gateways, industrial automation, and network-connected data loggers.

[Details](https://openhardware.directory/devices/lilygo-t-internet-poe) | [Markdown](https://openhardware.directory/devices/lilygo-t-internet-poe/md)

## LILYGO T-Deck

ESP32-S3 handheld terminal with 2.8-inch IPS display, mini QWERTY keyboard, trackball, optional SX1262 LoRa, speaker, and microphone — a self-contained portable communicator running Meshtastic and MeshCore.

[Details](https://openhardware.directory/devices/lilygo-t-deck) | [Markdown](https://openhardware.directory/devices/lilygo-t-deck/md)

## LILYGO T-HMI

ESP32-S3 HMI development board with a 2.8-inch resistive touchscreen, GROVE connectors, 16MB flash, 8MB PSRAM, and USB-C — designed for industrial HMI panels and interactive control interfaces.

[Details](https://openhardware.directory/devices/lilygo-t-hmi) | [Markdown](https://openhardware.directory/devices/lilygo-t-hmi/md)

## LILYGO T-ETH-Lite

Compact ESP32-S3 development board with wired Ethernet (W5500 SPI), WiFi, BLE, microSD slot, and optional PoE and camera shields for reliable networked IoT edge nodes.

[Details](https://openhardware.directory/devices/lilygo-t-eth-lite) | [Markdown](https://openhardware.directory/devices/lilygo-t-eth-lite/md)

## LILYGO T-Watch Ultra

Premium ESP32-S3 smartwatch development platform with 2.06" AMOLED touchscreen, LoRa SX1262, GNSS, NFC, MAX98357A audio, DRV2605 haptic, AXP2101 PMIC, and 1100mAh battery.

[Details](https://openhardware.directory/devices/lilygo-t-watch-ultra) | [Markdown](https://openhardware.directory/devices/lilygo-t-watch-ultra/md)

## LILYGO T-Glass

Wearable ESP32-S3 development board with 1.1" full-color AMOLED display in a glasses prism form factor, microphone, RTC, and touch button for head-up display applications.

[Details](https://openhardware.directory/devices/lilygo-t-glass) | [Markdown](https://openhardware.directory/devices/lilygo-t-glass/md)

## LILYGO T-Halow

ESP32-S3 development board with WiFi HaLow (802.11ah) sub-GHz radio for long-range IoT deployments, plus standard 2.4GHz WiFi, BLE 5.0, microSD, and 18650 battery support.

[Details](https://openhardware.directory/devices/lilygo-t-halow) | [Markdown](https://openhardware.directory/devices/lilygo-t-halow/md)

## LILYGO T-Display S3 Pro

Upgraded T-Display S3 with a larger 2.33" IPS touchscreen, ESP32-S3R8, OTG charging via SY6970, QWIIC ports, ambient light/proximity sensor, and optional camera module expansion via POGOpin.

[Details](https://openhardware.directory/devices/lilygo-t-display-s3-pro) | [Markdown](https://openhardware.directory/devices/lilygo-t-display-s3-pro/md)

## LILYGO T-TWR

ESP32-S3 walkie-talkie development board with SA868 UHF/VHF radio module, 0.96" OLED display, rotary encoder, WiFi, BLE, and 18650 battery support for two-way radio projects.

[Details](https://openhardware.directory/devices/lilygo-t-twr) | [Markdown](https://openhardware.directory/devices/lilygo-t-twr/md)

## LILYGO T-Beam Supreme

Upgraded T-Beam with ESP32-S3FN8, QMI8658 6-axis IMU, LoRa SX1262, dual GPS options (L76K or u-blox), SoftRF firmware support, and multi-frequency bands for Meshtastic and aircraft tracking.

[Details](https://openhardware.directory/devices/lilygo-t-beam-supreme) | [Markdown](https://openhardware.directory/devices/lilygo-t-beam-supreme/md)

## LILYGO T-Lora Pager

Compact LoRa pager with ESP32-S3, 2.33" touchscreen, QWERTY keyboard, u-blox GNSS, BHI260AP AI IMU, ES8311 audio codec, RFID/NFC, and foldable antenna for off-grid messaging.

[Details](https://openhardware.directory/devices/lilygo-t-lora-pager) | [Markdown](https://openhardware.directory/devices/lilygo-t-lora-pager/md)

## LILYGO T-Watch S3 Plus

ESP32-S3 smartwatch dev board with LoRa SX1262, GNSS, BMA423 accelerometer, MAX98357A audio, DRV2605 haptic feedback, AXP2101 PMIC, and 940mAh battery for wearable LoRa projects.

[Details](https://openhardware.directory/devices/lilygo-t-watch-s3-plus) | [Markdown](https://openhardware.directory/devices/lilygo-t-watch-s3-plus/md)

## LILYGO T-Deck Pro

ESP32-S3 keyboard terminal with 3.1" e-paper touchscreen, LoRa SX1262, GPS, BHI260AP AI IMU, PCM5102A/ES8311 audio, 1400mAh battery, and optional 4G LTE (A7682E) for off-grid terminal applications.

[Details](https://openhardware.directory/devices/lilygo-t-deck-pro) | [Markdown](https://openhardware.directory/devices/lilygo-t-deck-pro/md)

## LILYGO T-TWR Plus

Enhanced ESP32-S3 two-way radio board with SA868 UHF/VHF module, L76K GNSS, 1.3" OLED, AXP2102 PMIC, WS2812 RGB LED, TF card, and PPT button for APRS and walkie-talkie applications.

[Details](https://openhardware.directory/devices/lilygo-t-twr-plus) | [Markdown](https://openhardware.directory/devices/lilygo-t-twr-plus/md)

## LILYGO T-Embed CC1101

ESP32-S3 multi-protocol RF tool with CC1101 sub-GHz transceiver (300–928 MHz), 13.56 MHz RFID, IR transmit/receive, 1.9" IPS display, and rotary encoder for RF analysis and replay attacks.

[Details](https://openhardware.directory/devices/lilygo-t-embed-cc1101) | [Markdown](https://openhardware.directory/devices/lilygo-t-embed-cc1101/md)

## LILYGO T7 S3

Ultra-affordable ESP32-S3 development board with 16MB flash, 8MB PSRAM, USB 3.0, QWIIC/Stemma QT connector, power switch, and breadboard-compatible pinout at under $8.

[Details](https://openhardware.directory/devices/lilygo-t7-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t7-s3/md)

## LILYGO T-CAN485

ESP32 development board with integrated CAN bus and RS-485 transceivers, TF card, WiFi, and BLE for industrial IoT, Modbus, and automotive OBD-II applications with 5–12V wide-range power input.

[Details](https://openhardware.directory/devices/lilygo-t-can485) | [Markdown](https://openhardware.directory/devices/lilygo-t-can485/md)

## LILYGO T-QT C6

Tiny ESP32-C6 dev board with WiFi 6, BLE 5, Zigbee/Thread (802.15.4), 0.85" 128×128 touchscreen, LiPo battery charging, and breathing LED in a thumbnail-sized form factor.

[Details](https://openhardware.directory/devices/lilygo-t-qt-c6) | [Markdown](https://openhardware.directory/devices/lilygo-t-qt-c6/md)

## LILYGO T-Circle S3

Compact ESP32-S3 board with a 0.75" round 160×160 TFT LCD (GC9D01N), 16MB flash, 8MB PSRAM, WiFi, and BLE 5 for wearable watchface and circular display applications.

[Details](https://openhardware.directory/devices/lilygo-t-circle-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-circle-s3/md)

## LILYGO T-Relay S3

ESP32-S3 board with 6 onboard relays, 16MB flash, 8MB PSRAM, WiFi, and BLE for ESPHome smart home automation, controlling lights, appliances, and HVAC systems.

[Details](https://openhardware.directory/devices/lilygo-t-relay-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-relay-s3/md)

## LILYGO T-Energy S3

Affordable ESP32-S3 development board with 16MB flash, 8MB PSRAM, integrated 18650 battery holder, WiFi, and BLE 5.0 for battery-powered IoT sensor nodes under $10.

[Details](https://openhardware.directory/devices/lilygo-t-energy-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-energy-s3/md)

## LILYGO T-Knob

Smart rotary encoder controller based on ESP32-C6 with WiFi 6, BLE 5, Zigbee/Thread, 4 RGB LEDs, buzzer, and magnetic Hall-effect knob for wireless volume control and smart home automation.

[Details](https://openhardware.directory/devices/lilygo-t-knob) | [Markdown](https://openhardware.directory/devices/lilygo-t-knob/md)

## LILYGO T-Panel S3

Dual-MCU smart panel (ESP32-S3 + ESP32-H2) with 4" 480×480 IPS LCD (ST7701S), WiFi, BLE, native Zigbee/Thread/Matter via H2 co-processor, and optional RS485/CAN FD expansion for wall-mounted smart home controllers.

[Details](https://openhardware.directory/devices/lilygo-t-panel-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-panel-s3/md)

## LILYGO T3 S3

ESP32-S3 LoRa development board with 0.96" OLED display, multiple LoRa module options (SX1262/SX1276/SX1280/LR1121), WiFi, BLE, and 18650 battery support for Meshtastic and IoT applications.

[Details](https://openhardware.directory/devices/lilygo-t3-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t3-s3/md)

## LILYGO T-SIM7080G S3

ESP32-S3 development board with SIM7080G NB-IoT/LTE-M/GNSS module, 16MB flash, 8MB PSRAM, 18650 battery support, and USB-C connectivity for low-power IoT applications.

[Details](https://openhardware.directory/devices/lilygo-t-sim7080g-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-sim7080g-s3/md)

## LILYGO T-Embed SI4732

ESP32-S3 board with SI4732-A10 AM/FM/SW/LW radio receiver, 1.9" IPS display, 900mAh battery, and rotary encoder for a portable software-defined radio experience.

[Details](https://openhardware.directory/devices/lilygo-t-embed-si4732) | [Markdown](https://openhardware.directory/devices/lilygo-t-embed-si4732/md)

## LILYGO T7-C6

Compact ESP32-C6 development board with WiFi 6, BLE 5, and IEEE 802.15.4 (Zigbee/Thread/Matter) support, featuring 4MB flash and USB-C for next-generation IoT protocols.

[Details](https://openhardware.directory/devices/lilygo-t7-c6) | [Markdown](https://openhardware.directory/devices/lilygo-t7-c6/md)

## LILYGO T-Display Bar

ESP32-S3 development board with a unique wide bar-format display, 16MB flash, 8MB PSRAM, and USB-C for information display and custom UI projects.

[Details](https://openhardware.directory/devices/lilygo-t-display-bar) | [Markdown](https://openhardware.directory/devices/lilygo-t-display-bar/md)

## LILYGO T-Display AMOLED Lite

Compact ESP32-S3 development board featuring a 1.47" RM67162 AMOLED display with QSPI interface, 16MB Flash, 8MB PSRAM, Wi-Fi, Bluetooth 5, and battery charging support.

[Details](https://openhardware.directory/devices/lilygo-t-display-amoled-lite) | [Markdown](https://openhardware.directory/devices/lilygo-t-display-amoled-lite/md)

## LILYGO T5 V2.3.1

LILYGO T5 V2.3.1 is a 2.13-inch e-paper display module with SSD1680 driver, supporting 212×104 black-and-white output via SPI. Ultra-low power design retains the image without any power supply.

[Details](https://openhardware.directory/devices/lilygo-t5-v2-3-1) | [Markdown](https://openhardware.directory/devices/lilygo-t5-v2-3-1/md)

## LILYGO T-Display S3 AMOLED 1.64

ESP32-S3 development board with a 1.64" ICNA3311 AMOLED display at 280×456 resolution, 16MB Flash, 8MB PSRAM, Wi-Fi and Bluetooth 5 LE connectivity.

[Details](https://openhardware.directory/devices/lilygo-t-display-s3-amoled-1-64) | [Markdown](https://openhardware.directory/devices/lilygo-t-display-s3-amoled-1-64/md)

## LILYGO T-Display S3 AMOLED Plus

Enhanced ESP32-S3 AMOLED development board with 1.91" RM67162 display, onboard RTC, PMU, SD card slot, capacitive touch, metal shielding, and external FPC antenna.

[Details](https://openhardware.directory/devices/lilygo-t-display-s3-amoled-plus) | [Markdown](https://openhardware.directory/devices/lilygo-t-display-s3-amoled-plus/md)

## LILYGO T-SIM7070G

ESP32-WROVER-E development board with SIM7070G NB-IoT/LTE-M/GPRS modem, GPS, Wi-Fi, Bluetooth 4.2, MicroSD, and solar charging input for ultra-low-power IoT applications.

[Details](https://openhardware.directory/devices/lilygo-t-sim7070g) | [Markdown](https://openhardware.directory/devices/lilygo-t-sim7070g/md)

## LILYGO T-Display Keyboard

Compact ESP32 development board combining a physical keyboard with a 1.14" IPS display, USB-C charging, multiple interfaces, and optional 2800mAh battery in shell configuration.

[Details](https://openhardware.directory/devices/lilygo-t-display-keyboard) | [Markdown](https://openhardware.directory/devices/lilygo-t-display-keyboard/md)

## LILYGO T5s 2.7 inch E-Paper

LILYGO T5s is an ESP32 development board with a 2.7-inch 264×176 e-paper display, onboard I2S audio (MAX98357A amplifier + ICS43434 MEMS mic), 500mA battery management, and TF card support.

[Details](https://openhardware.directory/devices/lilygo-t5s-2-7inch-e-paper) | [Markdown](https://openhardware.directory/devices/lilygo-t5s-2-7inch-e-paper/md)

## LILYGO T8-C3

LILYGO T8-C3 is a compact ESP32-C3 development board featuring Wi-Fi, BLE 5.0, 4MB flash, TF card slot, and USB Type-C, requiring the T-U2T adapter for programming.

[Details](https://openhardware.directory/devices/lilygo-t8-c3) | [Markdown](https://openhardware.directory/devices/lilygo-t8-c3/md)

## LILYGO T-FPGA

LILYGO T-FPGA is a development board combining an ESP32-S3 microcontroller with a Gowin GW1NSR-4C FPGA chip, enabling flexible hardware logic design alongside Wi-Fi and Bluetooth connectivity.

[Details](https://openhardware.directory/devices/lilygo-t-fpga) | [Markdown](https://openhardware.directory/devices/lilygo-t-fpga/md)

## LILYGO T-Keyboard S3 Pro

Advanced ESP32-S3 programmable keyboard board with 4 built-in 0.85" TFT displays, 14 RGB LEDs, rotary encoder, STM32 co-processor, magnetic connectors for daisy-chaining up to 6 units.

[Details](https://openhardware.directory/devices/lilygo-t-keyboard-s3-pro) | [Markdown](https://openhardware.directory/devices/lilygo-t-keyboard-s3-pro/md)

## LILYGO T-OI Plus

LILYGO T-OI Plus is a compact ESP32-C3 development board with Wi-Fi, BLE 5.0, Grove connectors, and optional 16340 battery holder, designed to fit Sonoff BASICR2 enclosures.

[Details](https://openhardware.directory/devices/lilygo-t-oi-plus) | [Markdown](https://openhardware.directory/devices/lilygo-t-oi-plus/md)

## LILYGO T-Display S3 Long

ESP32-S3 development board with an elongated 3.4" capacitive touch TFT LCD (180×640 resolution), 16MB Flash, 8MB PSRAM, Wi-Fi, Bluetooth 5, and optional enclosure variant.

[Details](https://openhardware.directory/devices/lilygo-t-display-s3-long) | [Markdown](https://openhardware.directory/devices/lilygo-t-display-s3-long/md)

## LILYGO T5 2.13inch E-Paper

LILYGO T5 2.13inch E-Paper is an ESP32-D0WDQ6 V3 development board with a 2.13-inch 212×104 e-ink display supporting 4-level grayscale, 4MB flash, TF card slot, and battery management with 4 user buttons.

[Details](https://openhardware.directory/devices/lilygo-t5-2-13inch-e-paper) | [Markdown](https://openhardware.directory/devices/lilygo-t5-2-13inch-e-paper/md)

## LILYGO T-SIM7600E

ESP32-based development board with SIM7600E-H 4G LTE Cat-4 modem, GPS, Wi-Fi, Bluetooth, 18650 battery holder with solar charging, and dual USB-C ports for high-speed IoT connectivity.

[Details](https://openhardware.directory/devices/lilygo-t-sim7600e) | [Markdown](https://openhardware.directory/devices/lilygo-t-sim7600e/md)

## LILYGO T-Radar

LILYGO T-Radar is a radar sensor expansion module based on the Acconeer A121 pulsed coherent radar, designed for presence detection and distance measurement with LILYGO motherboards.

[Details](https://openhardware.directory/devices/lilygo-t-radar) | [Markdown](https://openhardware.directory/devices/lilygo-t-radar/md)

## LILYGO T-Relay

ESP32 development board with 4 onboard HRS4H-S-DC5V relays, 4MB flash, 8MB PSRAM, WiFi, BLE 4.2, and optocoupler-isolated GPIO expansion — designed for wireless remote switch control of AC/DC loads.

[Details](https://openhardware.directory/devices/lilygo-t-relay) | [Markdown](https://openhardware.directory/devices/lilygo-t-relay/md)

## LILYGO T-Echo Plus

Enhanced T-Echo with nRF52840, SX1262 LoRa, L76K GPS, BHI260AP IMU, 2400mAh battery, 1.54-inch e-paper display, vibration motor, buzzer, and 1/4-inch mount — Meshtastic-ready with extended runtime.

[Details](https://openhardware.directory/devices/lilygo-t-echo-plus) | [Markdown](https://openhardware.directory/devices/lilygo-t-echo-plus/md)

## LILYGO T-01C3

LILYGO T-01C3 is an ultra-compact ESP32-C3 RISC-V module with Wi-Fi and BLE 5.0, available with or without pre-soldered pins, featuring 5.33µA deep sleep current.

[Details](https://openhardware.directory/devices/lilygo-t-01c3) | [Markdown](https://openhardware.directory/devices/lilygo-t-01c3/md)

## LILYGO T-Keyboard

Compact ESP32-C3 keyboard terminal with a built-in 0.99" display, Wi-Fi, Bluetooth 4.2, 400mAh battery, and a 3D-printed shell for portable wireless input applications.

[Details](https://openhardware.directory/devices/lilygo-t-keyboard) | [Markdown](https://openhardware.directory/devices/lilygo-t-keyboard/md)

## LILYGO T-Wrist E-Paper

LILYGO T-Wrist E-Paper is an ESP32-based wearable development board with a 1.54-inch 200×200 e-paper display, vibration motor, optional GPS (LG77 GNSS), WiFi, Bluetooth 4.2, and 3D-printable watch shell.

[Details](https://openhardware.directory/devices/lilygo-t-wrist-e-paper) | [Markdown](https://openhardware.directory/devices/lilygo-t-wrist-e-paper/md)

## LILYGO FabGL VGA32

ESP32 development board with VGA video output, dual PS/2 ports for keyboard and mouse, 4MB flash, and the FabGL graphics library — a retro computing platform for VGA terminal emulators and classic games.

[Details](https://openhardware.directory/devices/lilygo-fabgl-vga32) | [Markdown](https://openhardware.directory/devices/lilygo-fabgl-vga32/md)

## LILYGO T-Lora C6

LILYGO T-Lora C6 is a compact LoRa development board combining the ESP32-C6 module with SX1262 radio, supporting Wi-Fi 6, Bluetooth 5 LE, Zigbee, Thread, and sub-GHz LoRa communication.

[Details](https://openhardware.directory/devices/lilygo-t-lora-c6) | [Markdown](https://openhardware.directory/devices/lilygo-t-lora-c6/md)

## LILYGO T-Micro32 Plus

LILYGO T-Micro32 Plus is an upgraded compact ESP32 module with 8MB flash, 2MB PSRAM, expanded GPIO, and an improved RED C3 ceramic antenna for stronger wireless performance.

[Details](https://openhardware.directory/devices/lilygo-t-micro32-plus) | [Markdown](https://openhardware.directory/devices/lilygo-t-micro32-plus/md)

## LILYGO T-Weigh

ESP32 development board combining 4-channel HX711 load cell amplifiers with LoRa SX1262 radio (868/915 MHz) for wireless weight measurement and IoT scale applications over long-range LoRa networks.

[Details](https://openhardware.directory/devices/lilygo-t-weigh) | [Markdown](https://openhardware.directory/devices/lilygo-t-weigh/md)

## LILYGO T-Echo Lite

Simplified T-Echo with nRF52840, SX1262 LoRa, and optional L76K GPS — a low-cost, low-power LoRa node and Meshtastic-compatible board for off-grid mesh networking.

[Details](https://openhardware.directory/devices/lilygo-t-echo-lite) | [Markdown](https://openhardware.directory/devices/lilygo-t-echo-lite/md)

## LILYGO T-SIM A7670E

ESP32-WROVER-E development board with A7670E LTE Cat-1 modem supporting voice calls, SMS, and GPS positioning. Available with multiple regional frequency variants for global 4G deployments.

[Details](https://openhardware.directory/devices/lilygo-t-sim-a7670e) | [Markdown](https://openhardware.directory/devices/lilygo-t-sim-a7670e/md)

## LILYGO T-Micro32 V2.0

LILYGO T-Micro32 V2.0 is a 45%-smaller ESP32 PICO-D4 module with integrated IPEX antenna connector, designed for space-constrained embedded product designs.

[Details](https://openhardware.directory/devices/lilygo-t-micro32-v2) | [Markdown](https://openhardware.directory/devices/lilygo-t-micro32-v2/md)

## LILYGO T-Mini E-Paper S3

LILYGO T-Mini E-Paper S3 is a compact ESP32-S3 board with a 1.02-inch 128×80 e-paper display, 4MB flash, 2MB PSRAM, WiFi, BLE 5, TF card slot, and support for 18350 battery. Available in 868MHz and 915MHz variants.

[Details](https://openhardware.directory/devices/lilygo-t-mini-epaper-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-mini-epaper-s3/md)

## LILYGO T-SimCam

ESP32-S3 camera development board with mPCIe slot for LILYGO T-PCIE SIM cellular modules, supporting OV2640 or OV5640 cameras, 16MB flash, 8MB PSRAM, TF card, and I2S microphone for connected vision applications.

[Details](https://openhardware.directory/devices/lilygo-t-simcam) | [Markdown](https://openhardware.directory/devices/lilygo-t-simcam/md)

## LILYGO T-Encoder Pro

ESP32-S3 smart rotary encoder knob with 1.2-inch round AMOLED display, capacitive touch, buzzer, vibration motor, and dual Qwiic connectors — ideal for smart home control and media interfaces.

[Details](https://openhardware.directory/devices/lilygo-t-encoder-pro) | [Markdown](https://openhardware.directory/devices/lilygo-t-encoder-pro/md)

## LILYGO T-Micro32 S3

LILYGO T-Micro32 S3 is an ultra-compact ESP32-S3FH4R2 module with Wi-Fi, BLE 5.0, 4MB flash, 2MB PSRAM, and dual-core Xtensa LX7 processor in a minimal footprint.

[Details](https://openhardware.directory/devices/lilygo-t-micro32-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-micro32-s3/md)

## LILYGO T-A7608E-H

ESP32-WROVER-E development board with A7608E-H LTE Cat-1 modem supporting voice, SMS, GPS, and multi-band LTE-FDD/TDD connectivity for Europe with 18650 battery support.

[Details](https://openhardware.directory/devices/lilygo-t-a7608e-h) | [Markdown](https://openhardware.directory/devices/lilygo-t-a7608e-h/md)

## LILYGO T-TWR Rev2.1

LILYGO T-TWR Rev2.1 is an ESP32-S3 based programmable walkie-talkie board featuring the SA868 UHF/VHF radio module, GPS, OLED display, and battery support for amateur radio applications.

[Details](https://openhardware.directory/devices/lilygo-t-twr-rev2-1) | [Markdown](https://openhardware.directory/devices/lilygo-t-twr-rev2-1/md)

## LILYGO T-Internet-COM

ESP32 development board with LAN8720 Ethernet, 16MB flash, 8MB PSRAM, WS2812 RGB LED, SIM/TF card slots, and T-PCIE expansion support for industrial IoT, wired networking, and CAN bus applications.

[Details](https://openhardware.directory/devices/lilygo-t-internet-com) | [Markdown](https://openhardware.directory/devices/lilygo-t-internet-com/md)

## LILYGO T3 S3 E-Paper

LILYGO T3 S3 E-Paper is an ESP32-S3 LoRa development board with a 2.13-inch 250×122 e-paper display (DEPG0213BN), 4MB flash, 2MB PSRAM, WiFi, BLE 5, SX1262 LoRa transceiver, and LiPo battery support.

[Details](https://openhardware.directory/devices/lilygo-t3-s3-epaper) | [Markdown](https://openhardware.directory/devices/lilygo-t3-s3-epaper/md)

## LILYGO T-Lion

ESP32-WROVER development board with 0.96-inch OLED display, five-way directional button, single 18650 battery holder, 8MB PSRAM, WiFi, and BLE 4.2 — a compact handheld IoT controller in a slim form factor.

[Details](https://openhardware.directory/devices/lilygo-t-lion) | [Markdown](https://openhardware.directory/devices/lilygo-t-lion/md)

## LILYGO T-Connect

ESP32-S3 industrial communication board with three RS485 ports and one CAN bus — enables multi-protocol data switching for automation, sensor networks, and legacy equipment integration.

[Details](https://openhardware.directory/devices/lilygo-t-connect) | [Markdown](https://openhardware.directory/devices/lilygo-t-connect/md)

## LILYGO T-Camera Plus S3

ESP32-S3 camera development board with 8MB PSRAM, 16MB Flash, onboard microphone, MAX98357A I2S amplifier, speaker output, and choice of OV2640 or OV5640 camera sensor for audio-visual IoT applications.

[Details](https://openhardware.directory/devices/lilygo-t-camera-plus-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-camera-plus-s3/md)

## LILYGO T-Lora Dual

LILYGO T-Lora Dual is a compact board featuring dual LR1121 multi-band LoRa radios supporting both sub-GHz and 2.4 GHz bands, with ExpressLRS support for long-range RC and telemetry applications.

[Details](https://openhardware.directory/devices/lilygo-t-lora-dual) | [Markdown](https://openhardware.directory/devices/lilygo-t-lora-dual/md)

## LILYGO LoRa3 (T3 LoRa32 V1.6.1)

LILYGO LoRa3 (T3 LoRa32 V1.6.1) is an ESP32 development board combining Wi-Fi, BLE, and LoRa radio (SX1276/SX1278) with OLED display and TF card slot for IoT and mesh networking.

[Details](https://openhardware.directory/devices/lilygo-lora3) | [Markdown](https://openhardware.directory/devices/lilygo-lora3/md)

## LILYGO T-Watch 2021

Programmable ESP32 smartwatch with 1.3-inch round GC9A01 IPS touchscreen (240×240), BMA423 accelerometer, vibration motor, RTC, WiFi, and BLE 4.2 — open-source and fully programmable with Arduino or MicroPython.

[Details](https://openhardware.directory/devices/lilygo-t-watch-2021) | [Markdown](https://openhardware.directory/devices/lilygo-t-watch-2021/md)

## LILYGO T-SIM7670G S3

ESP32-S3-based development board with SIM7670G LTE Cat-1 modem, integrated GPS, Wi-Fi, Bluetooth 5, MicroSD, solar charging input, and 16 MB flash for high-performance IoT and asset tracking applications.

[Details](https://openhardware.directory/devices/lilygo-t-sim-7670g-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-sim-7670g-s3/md)

## LILYGO T-Journal

Compact ESP32-PICO-D4 camera board with OV2640 2MP sensor, 0.91-inch SSD1306 OLED display, fisheye or normal lens options, WiFi, BLE, and LiPo battery support — a minimal wireless camera module for IoT vision projects.

[Details](https://openhardware.directory/devices/lilygo-t-journal) | [Markdown](https://openhardware.directory/devices/lilygo-t-journal/md)

## LILYGO T-MixRF

LILYGO T-MixRF is a multi-protocol RF development board combining SX1262 LoRa sub-GHz radio with CC1101 FSK/OOK transceiver for versatile wireless protocol support and RF experimentation.

[Details](https://openhardware.directory/devices/lilygo-t-mixrf) | [Markdown](https://openhardware.directory/devices/lilygo-t-mixrf/md)

## LILYGO T7 V1.3 Mini32 ESP32

Compact ESP32 development board (Mini32 form factor) with 4MB Flash, WiFi 802.11 b/g/n, Bluetooth 4.2, CH340C USB-to-serial, TP4054 LiPo charger, and 1.25mm JST battery connector — a classic breadboard-compatible IoT dev board.

[Details](https://openhardware.directory/devices/lilygo-t7-v1-3-mini-32-esp32) | [Markdown](https://openhardware.directory/devices/lilygo-t7-v1-3-mini-32-esp32/md)

## LILYGO T5 E-Paper S3 Pro

LILYGO T5 E-Paper S3 Pro is an ESP32-S3 board with a 4.7-inch 16-greyscale e-paper display, SX1262 LoRa, touch input, RTC, BQ25896/BQ27220 battery management, 16MB flash, 8MB PSRAM, and optional GPS.

[Details](https://openhardware.directory/devices/lilygo-t5-e-paper-s3-pro) | [Markdown](https://openhardware.directory/devices/lilygo-t5-e-paper-s3-pro/md)

## LILYGO T-Display P4

High-performance ESP32-P4 development board with dual-core 360MHz RISC-V, 4.1" AMOLED or 4.05" TFT touchscreen, 2MP camera, SX1262 LoRa, GPS, 9-axis IMU, and ESP32-C6 for Wi-Fi 6 and Bluetooth 5.

[Details](https://openhardware.directory/devices/lilygo-t-display-p4) | [Markdown](https://openhardware.directory/devices/lilygo-t-display-p4/md)

## LILYGO T-Connect Pro

ESP32-S3 three-board stack with SX1262 LoRa, CAN, RS485, RS232, Ethernet (W5500), relay, capacitive touch LCD, and DC input — a versatile industrial IoT gateway with long-range wireless.

[Details](https://openhardware.directory/devices/lilygo-t-connect-pro) | [Markdown](https://openhardware.directory/devices/lilygo-t-connect-pro/md)

## LILYGO T-Track

ESP32-S3R8 development board with a 1.1-inch JD9613 AMOLED display (126×294), onboard trackball, 16MB flash, 8MB PSRAM, WiFi, and BLE 5 — a compact touchless navigation dev kit for creative UI and interactive IoT applications.

[Details](https://openhardware.directory/devices/lilygo-t-track) | [Markdown](https://openhardware.directory/devices/lilygo-t-track/md)

## LILYGO LoRa V1.3

LILYGO LoRa V1.3 is an ESP32 development board with SX1276 LoRa radio at 868/915 MHz, optional 0.96-inch OLED display, Wi-Fi, BLE, and 4MB flash for IoT and LoRa applications.

[Details](https://openhardware.directory/devices/lilygo-lora-v1-3) | [Markdown](https://openhardware.directory/devices/lilygo-lora-v1-3/md)

## LILYGO T7 Mini32 V1.5

Updated ESP32 Mini32 development board with 8MB PSRAM, 4/16MB Flash options, dual-core 240MHz, CH9102 USB-serial, WiFi, BLE 4.2, and 1.25mm JST LiPo connector in a 40×31mm breadboard-friendly footprint.

[Details](https://openhardware.directory/devices/lilygo-t7-mini32-v1-5) | [Markdown](https://openhardware.directory/devices/lilygo-t7-mini32-v1-5/md)

## LILYGO T-Display K230

AI-capable development board powered by KENDRYTE K230 dual-core 64-bit RISC-V SoC running at 1.6GHz with KPU neural network accelerator, 4.1" AMOLED display, and LoRa connectivity in multiple frequency bands.

[Details](https://openhardware.directory/devices/lilygo-t-display-k230) | [Markdown](https://openhardware.directory/devices/lilygo-t-display-k230/md)

## LILYGO T-2CAN

LILYGO T-2CAN is an ESP32-S3 development board featuring dual CAN bus interfaces via two TWAI controllers, Wi-Fi, Bluetooth 5 LE, and wide DC input range for automotive and industrial applications.

[Details](https://openhardware.directory/devices/lilygo-t-2can) | [Markdown](https://openhardware.directory/devices/lilygo-t-2can/md)

## LILYGO T4

LILYGO T4 is an ESP32 development board with 8MB PSRAM, optional 2.2 or 2.4-inch ILI9341 TFT LCD display, Wi-Fi, Bluetooth 4.2 BLE, and Li-Po battery support.

[Details](https://openhardware.directory/devices/lilygo-t4) | [Markdown](https://openhardware.directory/devices/lilygo-t4/md)

## LILYGO T-BHI260AP

Compact breakout board for the Bosch BHI260AP AI-powered IMU, featuring a 6-axis accelerometer and gyroscope with an onboard programmable AI neural network co-processor for motion pattern recognition and gesture detection.

[Details](https://openhardware.directory/devices/lilygo-t-bhi260ap) | [Markdown](https://openhardware.directory/devices/lilygo-t-bhi260ap/md)

## LILYGO ESP32 OLED V3.0

ESP32 development board with integrated 0.96-inch SSD1306 OLED display, 4MB Flash, 520KB SRAM, WiFi, Bluetooth dual-mode, USB-C, and onboard LiPo battery charging for compact IoT display projects.

[Details](https://openhardware.directory/devices/lilygo-esp32-oled-v3-0) | [Markdown](https://openhardware.directory/devices/lilygo-esp32-oled-v3-0/md)

## LILYGO T-Vending

ESP32-S3-WROOM-1 development board with MAX13487E RS-485 transceiver, T-PCIE SIM expansion slot, Grove connector, WiFi, and BLE — designed for vending machine control and industrial RS-485 communication applications.

[Details](https://openhardware.directory/devices/lilygo-t-vending) | [Markdown](https://openhardware.directory/devices/lilygo-t-vending/md)

## LILYGO T-ICM-20948

Breakout module for the InvenSense ICM-20948 9-axis MEMS IMU, combining a 3-axis gyroscope, 3-axis accelerometer, and 3-axis magnetometer with an onboard Digital Motion Processor for real-time motion tracking.

[Details](https://openhardware.directory/devices/lilygo-t-icm-20948) | [Markdown](https://openhardware.directory/devices/lilygo-t-icm-20948/md)

## LILYGO TO-ESP8266 OLED SH1106

ESP8266 development board with 1.3-inch SH1106 OLED display, 8 digital I/O pins, CH9102 USB-serial, 3.3V operation, WiFi 802.11 b/g/n, and JST 1.25mm LiPo connector — supports ESPHome and Tasmota firmware.

[Details](https://openhardware.directory/devices/lilygo-to-esp8266-oled-sh1106) | [Markdown](https://openhardware.directory/devices/lilygo-to-esp8266-oled-sh1106/md)

## LILYGO T-PoE Pro

ESP32-WROVER-E development board with LAN8720 Ethernet, IEEE 802.3 af/at Power over Ethernet (5V@4A, 44–57V input), 16MB flash, 8MB PSRAM, WiFi, BLE 4.2, and expandable LCD interface for wired IoT gateway applications.

[Details](https://openhardware.directory/devices/lilygo-t-poe-pro) | [Markdown](https://openhardware.directory/devices/lilygo-t-poe-pro/md)

## LILYGO T4 S3

LILYGO T4 S3 is an ESP32-S3 development board with a 2.41-inch AMOLED touchscreen (450x600), 16MB flash, 8MB PSRAM, microSD slot, Wi-Fi, and Bluetooth 5 LE.

[Details](https://openhardware.directory/devices/lilygo-t4-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t4-s3/md)

## LILYGO Helium T-Beam

ESP32 + SX1276 LoRa T-Beam variant optimized for the Helium IoT network — with NEO-6M GPS, AXP2101 PMU, and 18650 battery support for portable LoRaWAN network mapping and sensor nodes.

[Details](https://openhardware.directory/devices/lilygo-helium-t-beam) | [Markdown](https://openhardware.directory/devices/lilygo-helium-t-beam/md)

## LILYGO ESP32-S2

Pure ESP32-S2 development board with 4MB Flash, 8MB SRAM, native USB, WiFi 802.11 b/g/n, onboard LiPo charging, and multiple control buttons — a single-core Xtensa LX7 board for USB-HID and IoT applications.

[Details](https://openhardware.directory/devices/lilygo-esp32-s2) | [Markdown](https://openhardware.directory/devices/lilygo-esp32-s2/md)

## LILYGO T-Beam BPF

LILYGO T-Beam BPF is an ESP32-S3 LoRa development board variant featuring an onboard Band Pass Filter for improved RF selectivity, designed for the 144–148 MHz amateur radio band with GPS and OLED display.

[Details](https://openhardware.directory/devices/lilygo-t-beam-bpf) | [Markdown](https://openhardware.directory/devices/lilygo-t-beam-bpf/md)

## LILYGO ESP32-S2 WOOR

Compact ESP32-S2-WROOM module-based development board with 4MB Flash, 320KB SRAM, native USB OTG, WiFi 802.11 b/g/n, onboard LiPo charging, and BOOT/RESET buttons for USB HID and IoT prototyping.

[Details](https://openhardware.directory/devices/lilygo-esp32-s2-woor) | [Markdown](https://openhardware.directory/devices/lilygo-esp32-s2-woor/md)

## LILYGO Module17 Revision 0.1E

STM32-based M17 digital amateur radio modem board with DE-9 connector — implements the open-source M17 protocol for digital voice and data over amateur radio, compatible with OpenRTX firmware.

[Details](https://openhardware.directory/devices/lilygo-module17-rev-0-1e) | [Markdown](https://openhardware.directory/devices/lilygo-module17-rev-0-1e/md)

## LILYGO T-ETH Elite

High-end ESP32-S3 Ethernet development board with W5500 SPI Ethernet, Power-over-Ethernet support, 16MB flash, 8MB PSRAM, and modular LoRa/LTE expansion shield system.

[Details](https://openhardware.directory/devices/lilygo-t-eth-elite-1) | [Markdown](https://openhardware.directory/devices/lilygo-t-eth-elite-1/md)

## LILYGO T-Beam 1W

LILYGO T-Beam 1W is an ESP32-S3 LoRa development board featuring a 1-watt LoRa power amplifier for significantly extended transmission range, with GPS support, AXP2101 PMU, and 18650 battery compatibility.

[Details](https://openhardware.directory/devices/lilygo-t-beam-1w) | [Markdown](https://openhardware.directory/devices/lilygo-t-beam-1w/md)

## LILYGO T3 S3 V1.3

ESP32-S3 LoRa development board (hardware revision V1.3) with 0.96-inch SSD1306 OLED, 4MB Flash, 2MB PSRAM, WiFi, BLE 5.0, and support for SX1262/SX1276/SX1280/LR1121 radio modules at 433/868/915MHz and 2.4GHz.

[Details](https://openhardware.directory/devices/lilygo-t3-s3-v1-3) | [Markdown](https://openhardware.directory/devices/lilygo-t3-s3-v1-3/md)

## LILYGO T-Dongle C5

Compact USB dongle with ESP32-C5 featuring dual-band WiFi 6 (2.4/5GHz), Bluetooth 5, 802.15.4, 0.96-inch LCD, TF card slot, and 16MB flash — the first LILYGO dongle with WiFi 6 support.

[Details](https://openhardware.directory/devices/lilygo-t-dongle-c5) | [Markdown](https://openhardware.directory/devices/lilygo-t-dongle-c5/md)

## LILYGO T3 TCXO

ESP32 LoRa development board with a Temperature Compensated Crystal Oscillator (TCXO) for enhanced LoRa frequency stability, 0.96-inch SSD1306 OLED display, 4MB Flash, WiFi, BLE 4.2, TF card slot, and LiPo battery support at 868/915MHz.

[Details](https://openhardware.directory/devices/lilygo-t3-tcxo) | [Markdown](https://openhardware.directory/devices/lilygo-t3-tcxo/md)

## LILYGO T-Relay 5V 8-Channel

ESP32-WROVER-E development board with 8 optocoupler-isolated 5V relay channels (HRS4H-S-DC5V), Wi-Fi, BLE 4.2, 8MB PSRAM, and support for DC 12–24V power input for industrial automation.

[Details](https://openhardware.directory/devices/lilygo-t-relay-5v-8-channel) | [Markdown](https://openhardware.directory/devices/lilygo-t-relay-5v-8-channel/md)

## LILYGO T3 S3 LR1121

LILYGO T3 S3 LR1121 is an ESP32-S3 development board with a Semtech LR1121 multi-band transceiver supporting sub-GHz (830–940 MHz) and 2.4 GHz LoRa, plus a 0.96" OLED display and microSD card slot.

[Details](https://openhardware.directory/devices/lilygo-t3-s3-lr1121) | [Markdown](https://openhardware.directory/devices/lilygo-t3-s3-lr1121/md)

## LILYGO T3 STM32

STM32WL55CCU6 LoRa development board with dual Cortex-M4 + M0+ cores, built-in LoRa/FSK/MSK radio at 433/868/915MHz, 0.96-inch SSD1315 OLED, 256KB Flash, 64KB RAM, and open-source Arduino/STM32CubeIDE firmware support.

[Details](https://openhardware.directory/devices/lilygo-t3-stm32) | [Markdown](https://openhardware.directory/devices/lilygo-t3-stm32/md)

## LILYGO T-HaLow P4

ESP32-P4 high-performance board with ESP32-C6 WiFi HaLow (802.11ah), 16MB flash, 8MB PSRAM, H.264 1080P video processing, MIPI-CSI/DSI, and BLE 5 — designed for long-range sub-GHz WiFi IoT applications.

[Details](https://openhardware.directory/devices/lilygo-t-halow-p4) | [Markdown](https://openhardware.directory/devices/lilygo-t-halow-p4/md)

## LILYGO T-Lite W5500

Ultra-compact ESP32 development board with W5500 SPI Ethernet, 0.96" OLED display, Wi-Fi, Bluetooth 4.2, and USB-C. Only 29.5×23mm for embedded IoT gateway projects.

[Details](https://openhardware.directory/devices/lilygo-t-lite-w5500) | [Markdown](https://openhardware.directory/devices/lilygo-t-lite-w5500/md)

## LILYGO T3-S3 MVSR

ESP32-S3 LoRa voice kit with MAX98357A speaker, MSM261S4030HOR microphone, vibration motor, RTC, 0.96-inch SSD1306 OLED, 4MB Flash, 2MB PSRAM, and SX1262/SX1276/SX1280 radio options — designed for LoRa voice communication and off-grid messaging.

[Details](https://openhardware.directory/devices/lilygo-t3-s3-mvsr) | [Markdown](https://openhardware.directory/devices/lilygo-t3-s3-mvsr/md)

## LILYGO T-Touch Bar

ESP32-S3 touch-sensitive bar display board with 8MB PSRAM, 16MB Flash, Wi-Fi, and Bluetooth 5, available in LED and AMOLED display variants for building custom HMI panels, smart home controls, and interactive displays.

[Details](https://openhardware.directory/devices/lilygo-t-touch-bar) | [Markdown](https://openhardware.directory/devices/lilygo-t-touch-bar/md)

## LILYGO T-Bat

Solar-capable power management module based on CN3065 for charging an 18650 Li-ion battery via Micro USB, solar panel input (5.3V+), or BAT input, with 5V/1A USB output for powering devices up to 1A current draw.

[Details](https://openhardware.directory/devices/lilygo-t-bat) | [Markdown](https://openhardware.directory/devices/lilygo-t-bat/md)

## LILYGO T-Zigbee ESP32-C3 TLSR8258

Dual-MCU Zigbee development board combining ESP32-C3 (WiFi/BLE) and Telink TLSR8258 (Zigbee/BLE Mesh) — both run simultaneously for bridging Zigbee sensor networks to WiFi/cloud platforms.

[Details](https://openhardware.directory/devices/lilygo-t-zigbee-esp32-c3-tlsr8258) | [Markdown](https://openhardware.directory/devices/lilygo-t-zigbee-esp32-c3-tlsr8258/md)

## LILYGO T-SIM7600

ESP32 development board with SIM7600 LTE Cat-4 modem (150Mbps DL), GPS, 18650 battery holder with solar charging interface, and dual USB-C ports for high-speed cellular IoT applications.

[Details](https://openhardware.directory/devices/lilygo-t-sim7600) | [Markdown](https://openhardware.directory/devices/lilygo-t-sim7600/md)

## LILYGO T-Call V1.4

ESP32 development board with SIM800L 2G GSM/GPRS cellular modem, Wi-Fi, Bluetooth 4.2, USB-C charging, and Li-Po battery connector for IoT devices requiring SMS and GPRS data connectivity.

[Details](https://openhardware.directory/devices/lilygo-t-call-v1-4) | [Markdown](https://openhardware.directory/devices/lilygo-t-call-v1-4/md)

## LILYGO T-RS S3

ESP32-S3 industrial communication board with isolated RS-232 and RS-485 modules (3000V isolation), 7–24V DC input via DB9 connector, Wi-Fi, and Bluetooth 5 LE for Modbus and industrial serial networking applications.

[Details](https://openhardware.directory/devices/lilygo-t-rs-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-rs-s3/md)

## LILYGO T-Encoder ESP32

Compact ESP32-PICO-V3-02 board with rotary encoder, WS2812 RGB LED ring, Wi-Fi, BLE 4.2, 8MB flash, and 2MB PSRAM. Ideal for knob-based UI controllers and volume/parameter controls.

[Details](https://openhardware.directory/devices/lilygo-t-encoder-esp32) | [Markdown](https://openhardware.directory/devices/lilygo-t-encoder-esp32/md)

## LILYGO T-Bao

Dual-MCU development board combining ESP32 and KENDRYTE K210 RISC-V AI processor with OV2640 camera, 1.54" IPS touchscreen, I2S audio amplifier, motor driver, 6-axis IMU, and Wi-Fi for edge AI and robotics prototyping.

[Details](https://openhardware.directory/devices/lilygo-t-bao) | [Markdown](https://openhardware.directory/devices/lilygo-t-bao/md)

## LILYGO T5 4.7-inch E-Paper V2.3

ESP32-S3 e-paper development board with 4.7-inch 540×960 16-grayscale display (EDO47TC1), Wi-Fi, Bluetooth 5.0, PCF8563 RTC, 16MB flash, 8MB PSRAM, and optional capacitive touch overlay.

[Details](https://openhardware.directory/devices/lilygo-t5-4-7-e-paper-v2-3) | [Markdown](https://openhardware.directory/devices/lilygo-t5-4-7-e-paper-v2-3/md)

## LILYGO T-TV

ESP32 desktop gadget with a 1.54-inch transparent blue OLED display, IR receiver, touch control, Wi-Fi, and Bluetooth. Ships with factory firmware featuring a clock, games, and animations.

[Details](https://openhardware.directory/devices/lilygo-t-tv) | [Markdown](https://openhardware.directory/devices/lilygo-t-tv/md)

## LILYGO T-Dongle ESP32-S2

USB-A dongle form factor board with ESP32-S2, 1.14-inch ST7789V IPS LCD, Wi-Fi, OTG, TF card slot, and Grove connector. Predecessor to the T-Dongle S3 series, ideal for portable USB IoT devices.

[Details](https://openhardware.directory/devices/lilygo-t-dongle-esp32-s2) | [Markdown](https://openhardware.directory/devices/lilygo-t-dongle-esp32-s2/md)

## LILYGO T-Embed CC1101 Plus

Enhanced ESP32-S3 handheld with CC1101 sub-GHz radio, nRF24L01 2.4GHz radio, 1.9" IPS LCD, IR transceiver, 16MB flash, 8MB SRAM. Upgraded version of T-Embed CC1101 with added 2.4GHz wireless module.

[Details](https://openhardware.directory/devices/lilygo-t-embed-cc1101-plus) | [Markdown](https://openhardware.directory/devices/lilygo-t-embed-cc1101-plus/md)

## M5Stack CoreS3

Third-generation M5Stack Core with ESP32-S3 dual-core 240MHz, 2.0\" capacitive touch IPS display, GC0308 camera, dual microphones, 1W speaker, BMI270 IMU, BMM150 magnetometer, proximity sensor, RTC, 500mAh battery, and DinBase for mounting.

[Details](https://openhardware.directory/devices/m5stack-cores3) | [Markdown](https://openhardware.directory/devices/m5stack-cores3/md)

## M5Stack Atom Lite

Ultra-compact ESP32-PICO-D4 development board (24x24mm) with RGB LED, programmable button, IR transmitter, Grove port, and 6 GPIO pins. Supports Arduino, ESP-IDF, UIFlow, and MicroPython.

[Details](https://openhardware.directory/devices/m5stack-atom-lite) | [Markdown](https://openhardware.directory/devices/m5stack-atom-lite/md)

## M5StickC Plus 2

Compact ESP32-PICO-V3-02 wearable dev board with 1.14" TFT LCD (135x240), 6-axis IMU (MPU6886), IR transmitter, microphone, buzzer, 200mAh battery, Wi-Fi and Bluetooth in a 48x24x13.5mm form factor.

[Details](https://openhardware.directory/devices/m5stickc-plus-2) | [Markdown](https://openhardware.directory/devices/m5stickc-plus-2/md)

## M5Stack Core2

ESP32-based IoT dev kit with 2.0" IPS capacitive touch display, 16MB flash, 8MB PSRAM, built-in mic, speaker, IMU, vibration motor, and 390mAh battery in a compact stackable enclosure.

[Details](https://openhardware.directory/devices/m5stack-core2) | [Markdown](https://openhardware.directory/devices/m5stack-core2/md)

## M5Stack Cardputer-Adv

Credit-card-sized ESP32-S3 handheld computer with 56-key mechanical keyboard, 1.14" IPS display, BMI270 IMU, ES8311 audio codec, 1W speaker, MEMS microphone, IR transmitter, 1750mAh battery, Grove I2C port, and microSD slot.

[Details](https://openhardware.directory/devices/m5stack-cardputer-adv) | [Markdown](https://openhardware.directory/devices/m5stack-cardputer-adv/md)

## M5Stack AtomS3

Ultra-compact ESP32-S3 dev board (24x24mm) with 0.85" IPS LCD (128x128), 6-axis IMU, 8MB flash, Wi-Fi, BLE 5.0, USB-C, and Grove port. Ideal for IoT prototyping and embedded UI projects.

[Details](https://openhardware.directory/devices/m5stack-atoms3) | [Markdown](https://openhardware.directory/devices/m5stack-atoms3/md)

## Heltec WiFi LoRa 32 V4

ESP32-S3 based LoRa development board with built-in 0.96" OLED display, SX1262 LoRa transceiver, WiFi, BLE 5.0, USB-C, and LiPo battery charging. One of the most popular boards for Meshtastic.

[Details](https://openhardware.directory/devices/heltec-wifi-lora-32-v4) | [Markdown](https://openhardware.directory/devices/heltec-wifi-lora-32-v4/md)

## M5Stack Dial

ESP32-S3 smart rotary knob with 1.28" round GC9A01 touch display (240x240), rotary encoder, RFID reader (WS1850S), RTC (BM8563), buzzer, and 2 Grove ports for IoT control interfaces.

[Details](https://openhardware.directory/devices/m5stack-dial) | [Markdown](https://openhardware.directory/devices/m5stack-dial/md)

## ESP32-CAM

ESP32-based camera dev board with OV2640 2MP sensor, microSD slot, WiFi, Bluetooth, 4MB flash, and 520KB SRAM. Ideal for DIY security cameras, timelapse, and computer vision projects.

[Details](https://openhardware.directory/devices/esp32-cam) | [Markdown](https://openhardware.directory/devices/esp32-cam/md)

## Holybro Pixhawk 6C

Open-source flight controller based on the Pixhawk FMUv6C standard. Features STM32H743 processor, dual redundant IMUs, barometer, and magnetometer. Runs ArduPilot or PX4 autopilot firmware.

[Details](https://openhardware.directory/devices/holybro-pixhawk-6c) | [Markdown](https://openhardware.directory/devices/holybro-pixhawk-6c/md)

## WT32-ETH01

ESP32 module with built-in Ethernet (LAN8720A PHY), WiFi, and Bluetooth. Designed for wired IoT applications, gateways, and industrial automation where reliable network connectivity is essential.

[Details](https://openhardware.directory/devices/wt32-eth01) | [Markdown](https://openhardware.directory/devices/wt32-eth01/md)

## SenseCAP Indicator D1

Dual-MCU IoT development platform featuring ESP32-S3 and RP2040 processors with a 4-inch capacitive touchscreen, WiFi, BLE, optional LoRa, and multiple Grove sensor connectors for IoT prototyping.

[Details](https://openhardware.directory/devices/sensecap-indicator-d1) | [Markdown](https://openhardware.directory/devices/sensecap-indicator-d1/md)

## M5Stack Atom Echo

Ultra-compact ESP32-PICO smart speaker dev kit (24x24mm) with built-in microphone, speaker, RGB LED, button, and Grove port. Ideal for voice assistant and audio streaming projects.

[Details](https://openhardware.directory/devices/m5stack-atom-echo) | [Markdown](https://openhardware.directory/devices/m5stack-atom-echo/md)

## Seeed XIAO ESP32S3 Plus

Ultra-compact ESP32-S3 development board with OV2640 camera, digital microphone, 8MB PSRAM, 8MB flash, WiFi 802.11 b/g/n, BLE 5.0, extended GPIO, and battery charging — ideal for AI and IoT edge projects.

[Details](https://openhardware.directory/devices/xiao-esp32s3-plus) | [Markdown](https://openhardware.directory/devices/xiao-esp32s3-plus/md)

## M5Stack NanoC6

Ultra-compact ESP32-C6 dev board by M5Stack with WiFi 6, BLE 5.0, Zigbee 3.0, and Thread/Matter support. RISC-V single-core at 160MHz, USB-C, RGB LED, and button in a tiny form factor.

[Details](https://openhardware.directory/devices/m5stack-nanoc6) | [Markdown](https://openhardware.directory/devices/m5stack-nanoc6/md)

## M5Stack Atom Matrix

Ultra-compact ESP32-PICO dev board (24x24mm) with 5x5 RGB LED matrix, 6-axis IMU (MPU6886), IR LED, programmable button, and Grove port. Perfect for LED displays and motion sensing.

[Details](https://openhardware.directory/devices/m5stack-atom-matrix) | [Markdown](https://openhardware.directory/devices/m5stack-atom-matrix/md)

## M5Stack AtomS3 Lite

Ultra-compact ESP32-S3 dev board (24x24mm) by M5Stack without display. Features WiFi, BLE 5.0, 8MB flash, Grove port, RGB LED, button, and USB-C in a tiny enclosure for IoT and embedded projects.

[Details](https://openhardware.directory/devices/m5stack-atoms3-lite) | [Markdown](https://openhardware.directory/devices/m5stack-atoms3-lite/md)

## DFRobot FireBeetle 2 ESP32-S3 AIoT Camera

ESP32-S3 development board with integrated OV2640 camera, 16MB flash, 8MB PSRAM, WiFi and BLE connectivity. Designed for AIoT applications, computer vision, and edge AI projects.

[Details](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-s3-aiot-camera) | [Markdown](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-s3-aiot-camera/md)

## Heltec MeshSolar

Solar-powered nRF52840 + SX1262 LoRa dev board with integrated BMS supporting 1-4 cell lithium batteries, MPPT solar charging, and USB PD3.0. Designed for Meshtastic solar nodes.

[Details](https://openhardware.directory/devices/heltec-meshsolar) | [Markdown](https://openhardware.directory/devices/heltec-meshsolar/md)

## WT32-SC01 Plus

ESP32-S3 development board with a 3.5" capacitive touch IPS LCD (480x320), 16MB flash, and 8MB PSRAM. Popular for building custom HMI/UI projects with LVGL, smart home panels, and IoT dashboards.

[Details](https://openhardware.directory/devices/wt32-sc01-plus) | [Markdown](https://openhardware.directory/devices/wt32-sc01-plus/md)

## Sonoff Zigbee 3.0 USB Dongle Plus E

EFR32MG21-based Zigbee 3.0 USB coordinator dongle for Home Assistant and Zigbee2MQTT. A popular, reliable choice for building smart home Zigbee networks.

[Details](https://openhardware.directory/devices/sonoff-zigbee-3-0-usb-dongle-plus-e) | [Markdown](https://openhardware.directory/devices/sonoff-zigbee-3-0-usb-dongle-plus-e/md)

## Heltec MeshTower

High-power Meshtastic relay/repeater kit with nRF52840 + SX1262 LoRa, 18V/10W solar panel, 3x2800mAh battery pack, IP66 aluminum enclosure, and 5.5dBi fiberglass antenna.

[Details](https://openhardware.directory/devices/heltec-meshtower) | [Markdown](https://openhardware.directory/devices/heltec-meshtower/md)

## Prokyber AI-on-the-Edge-Cam

Open-source ESP32-S3 camera board with PoE, microSD, and Stemma QT designed for AI-powered utility meter reading using the AI-on-the-edge-device firmware with TensorFlow Lite inference.

[Details](https://openhardware.directory/devices/ai-on-the-edge-cam) | [Markdown](https://openhardware.directory/devices/ai-on-the-edge-cam/md)

## M5Stack Atom Echo S3R

ESP32-S3 smart speaker dev kit with ES7210 audio codec, NS4168 amplifier, dual MEMS microphones, and RGB LED. Designed for Home Assistant voice assistant, ESPHome, and audio streaming projects.

[Details](https://openhardware.directory/devices/m5stack-atom-echo-s3r) | [Markdown](https://openhardware.directory/devices/m5stack-atom-echo-s3r/md)

## DezKVM Go

Open-source KVM-over-USB device for controlling headless computers from your laptop. Features HDMI capture up to 1080p 25fps, virtual keyboard/mouse via USB HID, and a browser-based interface requiring no drivers.

[Details](https://openhardware.directory/devices/dezkvm-go) | [Markdown](https://openhardware.directory/devices/dezkvm-go/md)

## Waveshare ESP32-S3 Touch LCD 3.49

ESP32-S3 dev board with 3.49" capacitive touch IPS display, dual microphone array, 6-axis IMU, RTC, and battery support. Ideal for wearable UIs and compact IoT dashboards.

[Details](https://openhardware.directory/devices/waveshare-esp32-s3-touch-lcd-3-49) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-s3-touch-lcd-3-49/md)

## Waveshare ESP32-S3 Touch LCD 7

ESP32-S3 dev board with 7" capacitive touch IPS display (800x480), CAN/RS485 interfaces, and battery support. Built for HMI panels, industrial control, and IoT dashboards.

[Details](https://openhardware.directory/devices/waveshare-esp32-s3-touch-lcd-7) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-s3-touch-lcd-7/md)

## ESP32-S3 Nano

Compact ESP32-S3 dev board by Waveshare in Arduino Nano form factor. Features dual-core 240MHz LX7, 16MB flash, 8MB PSRAM, WiFi, BLE 5.0, and USB-C. Drop-in ESP32-S3 upgrade for Nano-sized projects.

[Details](https://openhardware.directory/devices/esp32-s3-nano) | [Markdown](https://openhardware.directory/devices/esp32-s3-nano/md)

## Sonoff BasicR2

WiFi smart switch based on ESP8285, widely used in the open-source home automation community. Easily flashable with Tasmota or ESPHome for local-only smart home control without cloud dependency.

[Details](https://openhardware.directory/devices/sonoff-basicr2) | [Markdown](https://openhardware.directory/devices/sonoff-basicr2/md)

## iCESugar-Pro FPGA Development Board

Open-source Lattice ECP5 FPGA dev board with 24K LUTs, 32MB SDRAM, 32MB SPI flash, 106 GPIO pins in DDR SODIMM form factor. Supports fully open-source toolchain (Yosys + Nextpnr) and RISC-V Linux.

[Details](https://openhardware.directory/devices/icesugar-pro) | [Markdown](https://openhardware.directory/devices/icesugar-pro/md)

## HestiaPi ONE (Silent)

Open-source smart thermostat based on Raspberry Pi Zero W with 3.5\" touchscreen, BME280 sensor, and silent solid-state relays. Fully local control with no cloud dependency, MQTT support, and Home Assistant compatibility.

[Details](https://openhardware.directory/devices/hestiapi-one-silent) | [Markdown](https://openhardware.directory/devices/hestiapi-one-silent/md)

## duckyPad Pro

20-key open-source mechanical macropad with duckyScript engine, ESP32-S3, 1.5\" OLED, Bluetooth 5.0, hot-swap switches, dual rotary encoders, and microSD — a powerful Stream Deck alternative.

[Details](https://openhardware.directory/devices/duckypad-pro) | [Markdown](https://openhardware.directory/devices/duckypad-pro/md)

## FaikOut WiFi Aircon Controller

Open-source ESP32-S3 WiFi controller for Daikin air conditioners with local-only control via MQTT and Home Assistant. Replaces cloud-dependent Daikin WiFi modules with privacy-first, no-internet-required operation.

[Details](https://openhardware.directory/devices/faikout-wifi-aircon-controller) | [Markdown](https://openhardware.directory/devices/faikout-wifi-aircon-controller/md)

## Denky D4

Open-source ESP32 Teleinfo reader board for French Linky energy meters. Pre-flashed with Tasmota, features USB-C, WiFi, QWIIC I2C port, and RGB LED. Reads both Standard and Historique TIC formats.

[Details](https://openhardware.directory/devices/denky-d4) | [Markdown](https://openhardware.directory/devices/denky-d4/md)

## TimeHAT I226 NIC with PPS In/Out for RPi5

Open-source Raspberry Pi 5 PCIe HAT with Intel I226 2.5G Ethernet NIC, dual SMA connectors for 1PPS input/output, built-in TCXO, and M.2 slot for GNSS modules. Ideal for PTP grandmaster clocks.

[Details](https://openhardware.directory/devices/timehat-i226) | [Markdown](https://openhardware.directory/devices/timehat-i226/md)

## ESP32 WiFi Fancontroller

ESP32-S2-based WiFi fan controller with 4 independent PWM outputs, integrated HDC1080 temperature and humidity sensor, Qwiic expansion, and native Home Assistant integration via ESPHome.

[Details](https://openhardware.directory/devices/esp32-wifi-fancontroller) | [Markdown](https://openhardware.directory/devices/esp32-wifi-fancontroller/md)

## Louder Raspberry HAT Plus

Open-source Raspberry Pi audio HAT featuring TAS5825M Class-D amplifier with integrated DSP, delivering 32W per channel at 8 ohms. Includes 15-band parametric EQ, FIR filtering, DRC, IR input, and onboard step-down converter to power the Pi from 7-26V.

[Details](https://openhardware.directory/devices/louder-raspberry-hat-plus) | [Markdown](https://openhardware.directory/devices/louder-raspberry-hat-plus/md)

## Mesh Detect 2

Open-source ESP32-S3 device that detects FAA Remote ID drone broadcasts and BLE devices, reporting alerts over the Meshtastic LoRa mesh network. Uses XIAO ESP32-S3 + Heltec V3.

[Details](https://openhardware.directory/devices/mesh-detect-2) | [Markdown](https://openhardware.directory/devices/mesh-detect-2/md)

## OpenEPaperLink Access Point C6+S3

Open-source dual-MCU access point for wirelessly managing e-paper tags. ESP32-C6 handles WiFi connectivity while ESP32-S3 serves as a 2.4GHz RF transceiver for IEEE 802.15.4 communication with electronic shelf labels.

[Details](https://openhardware.directory/devices/openepaperlink-access-point-c6-s3) | [Markdown](https://openhardware.directory/devices/openepaperlink-access-point-c6-s3/md)

## PicoGlitcher V3

Open-source voltage glitching tool for hardware security research, based on Raspberry Pi Pico 2 (RP2350) with dual high-power MOSFETs, 4 selectable voltage levels, and adjustable Schmitt trigger inputs.

[Details](https://openhardware.directory/devices/picoglitcher-v3) | [Markdown](https://openhardware.directory/devices/picoglitcher-v3/md)

## Open AIR Mini

Open-source ESP32-based ventilation controller for Ducobox Silent/Focus and Orcon MVS-15xx systems with optional CO2, humidity, VOC, and NOx sensors, fully compatible with ESPHome and Home Assistant.

[Details](https://openhardware.directory/devices/open-air-mini) | [Markdown](https://openhardware.directory/devices/open-air-mini/md)

## pic0rick Pico Ultrasound Pulse-Echo System

OSHWA-certified open-source ultrasound development kit built around the Raspberry Pi Pico (RP2040). Features a 60 Msps 10-bit ADC, AD8331 time-gain amplifier, and three-level bipolar pulser for NDT and education.

[Details](https://openhardware.directory/devices/pic0rick) | [Markdown](https://openhardware.directory/devices/pic0rick/md)

## madflight FC3v2 RP2350B Flight Controller

Open-source flight controller board with RP2350B MCU, 10-DOF sensor suite (gyro, accelerometer, barometer, magnetometer), INA226 battery monitor, microSD with 4-bit SDIO, and DC-DC converter. 50.7x41.6mm, 6.3g.

[Details](https://openhardware.directory/devices/madflight-fc3v2-rp2350b) | [Markdown](https://openhardware.directory/devices/madflight-fc3v2-rp2350b/md)

## UPduino v3.1

A low-cost, fully open source FPGA development board built on the Lattice ICE40UP5K with 5.3K LUTs, on-board FTDI FT232H USB programmer, 4MB qSPI flash, and 39 GPIO pins on PMOD-compatible headers.

[Details](https://openhardware.directory/devices/upduino-v3-1) | [Markdown](https://openhardware.directory/devices/upduino-v3-1/md)

## BlueMicro PyKey60

Open-source 60% mechanical keyboard PCB with RP2040 MCU, per-key RGB NeoPixel LEDs, Kailh hot-swap sockets, onboard buzzer, and USB-C. Runs KMK and CircuitPython firmware.

[Details](https://openhardware.directory/devices/pykey60) | [Markdown](https://openhardware.directory/devices/pykey60/md)

## CUBEEK CubeSat Educational Kit

Open-source 1U CubeSat educational kit powered by Arduino Pro Mini with LoRa communication, multi-sensor payload (IMU, barometer, GPS, temperature), solar-powered EPS, and ground station dashboard for learning satellite engineering.

[Details](https://openhardware.directory/devices/cubeek-cubesat-educational-kit) | [Markdown](https://openhardware.directory/devices/cubeek-cubesat-educational-kit/md)

## ESP32-DIV V2.0

Open-source multi-band wireless development toolkit with ESP32-U, 2.8" ILI9341 TFT display, 5 antennas, and SD card slot covering WiFi, BLE, 2.4GHz, and Sub-GHz frequency bands for security research and spectrum analysis.

[Details](https://openhardware.directory/devices/esp32-div-v2) | [Markdown](https://openhardware.directory/devices/esp32-div-v2/md)

## Waveshare RoArm-M1

ESP32-based 5-DOF desktop robotic arm with high-torque serial bus servos, WiFi/Bluetooth control, motion recording, inverse kinematics, and ROS 2 support. Carbon fiber and aluminum construction.

[Details](https://openhardware.directory/devices/waveshare-roarm-m1) | [Markdown](https://openhardware.directory/devices/waveshare-roarm-m1/md)

## Raspberry Pi Pico W

Wireless microcontroller board featuring the RP2040 dual-core Cortex-M0+ processor with built-in WiFi 4 and Bluetooth 5.2 (BLE). Supports MicroPython, CircuitPython, and C/C++ development.

[Details](https://openhardware.directory/devices/raspberry-pi-pico-w) | [Markdown](https://openhardware.directory/devices/raspberry-pi-pico-w/md)

## Waveshare RP2040-Zero

Ultra-compact RP2040 microcontroller board in a tiny form factor. Features dual-core Cortex-M0+ at 133 MHz, USB-C, onboard WS2812 RGB LED, and castellated pads. Raspberry Pi Pico compatible.

[Details](https://openhardware.directory/devices/rp2040-zero) | [Markdown](https://openhardware.directory/devices/rp2040-zero/md)

## Waveshare RoArm-M2-S

ESP32-based 4-DOF robotic arm with 360-degree base rotation, 500g payload at 300mm reach, dual-drive shoulder joint, 9-axis IMU, and ROS 2 + LeRobot compatibility. Under 850g total weight.

[Details](https://openhardware.directory/devices/waveshare-roarm-m2-s) | [Markdown](https://openhardware.directory/devices/waveshare-roarm-m2-s/md)

## LOLIN D1 Mini V3

Compact WiFi development board based on the ESP8266-12F module. Features 4 MB flash, 11 digital I/O pins, Micro-USB, and a rich shield ecosystem. One of the most popular boards for IoT projects.

[Details](https://openhardware.directory/devices/d1-mini-v3) | [Markdown](https://openhardware.directory/devices/d1-mini-v3/md)

## Waveshare RoArm-M3

ESP32-based 5+1 DOF robotic arm with 1kg payload, 360-degree base, dual-drive shoulder, 7 servos, 9-axis IMU, TF card slot, and ROS 2 + LeRobot support. Carbon fiber and aluminum build.

[Details](https://openhardware.directory/devices/waveshare-roarm-m3) | [Markdown](https://openhardware.directory/devices/waveshare-roarm-m3/md)

## Blue Pill STM32F103C8T6

Popular low-cost development board based on the STM32F103C8T6 ARM Cortex-M3 microcontroller running at 72 MHz. Features 64 KB flash, 20 KB SRAM, and extensive peripheral support for embedded development.

[Details](https://openhardware.directory/devices/blue-pill-stm32) | [Markdown](https://openhardware.directory/devices/blue-pill-stm32/md)

## Waveshare UGV Beast

Open-source ROS2 AI robot with tracked chassis, Raspberry Pi 4B/5, ESP32 sub-controller, 5MP camera with pan-tilt, IMU, and support for LiDAR expansion. Programmable via Python, OpenCV, and ROS2.

[Details](https://openhardware.directory/devices/waveshare-ugv-beast) | [Markdown](https://openhardware.directory/devices/waveshare-ugv-beast/md)

## SLAMTEC RPLiDAR A1

360-degree 2D laser scanner with 12m range and 8000 samples per second. Widely used for ROS robotics, SLAM mapping, and autonomous navigation applications.

[Details](https://openhardware.directory/devices/slamtec-rplidar-a1) | [Markdown](https://openhardware.directory/devices/slamtec-rplidar-a1/md)

## DFRobot Maqueen Plus V3

Advanced micro:bit STEM robot with 8x8 matrix laser ranging, 5 line-tracking sensors with intersection recognition, magnetic encoders, PID control, and 6 RGB LEDs. Programmable via MakeCode and MicroPython.

[Details](https://openhardware.directory/devices/dfrobot-maqueen-plus-v3) | [Markdown](https://openhardware.directory/devices/dfrobot-maqueen-plus-v3/md)

## GY-521 MPU-6050 6-Axis IMU Module

6-axis inertial measurement unit combining a 3-axis accelerometer (±2/4/8/16g) and 3-axis gyroscope (±250-2000°/s) with onboard DMP. I2C interface, 3.3V/5V.

[Details](https://openhardware.directory/devices/gy-521-mpu-6050) | [Markdown](https://openhardware.directory/devices/gy-521-mpu-6050/md)

## HuskyLens AI Camera

AI-powered vision sensor with built-in Kendryte K210 processor. Supports face recognition, object tracking, object recognition, line following, color recognition, and tag recognition via I2C or UART.

[Details](https://openhardware.directory/devices/huskylens-ai-camera) | [Markdown](https://openhardware.directory/devices/huskylens-ai-camera/md)

## ACEBOTT QD001 Smart Robot Car

ESP32-powered 4WD mecanum wheel robot car kit with ultrasonic, IR, and line-tracking sensors. Programmable via Arduino, ACECode, and Python. Expandable with camera, AI, tank, robot arm, and GPS packs.

[Details](https://openhardware.directory/devices/acebott-qd001-smart-robot-car) | [Markdown](https://openhardware.directory/devices/acebott-qd001-smart-robot-car/md)

## Raspberry Pi 5

The latest Raspberry Pi single-board computer featuring a BCM2712 quad-core Cortex-A76 processor at 2.4GHz, PCIe 2.0, dual 4K HDMI output, USB 3.0, and available in 2GB, 4GB, 8GB, and 16GB RAM configurations.

[Details](https://openhardware.directory/devices/raspberry-pi-5) | [Markdown](https://openhardware.directory/devices/raspberry-pi-5/md)

## OV2640 Camera Module

2-megapixel camera module with SCCB/I2C interface, commonly used with ESP32-CAM and other microcontroller boards for image capture, video streaming, and computer vision projects.

[Details](https://openhardware.directory/devices/ov2640-camera-module) | [Markdown](https://openhardware.directory/devices/ov2640-camera-module/md)

## Waveshare GPM280

A portable retro gaming console based on Raspberry Pi Compute Module 3+ Lite with a 2.8-inch IPS display (640x480), 1500mAh battery, Wi-Fi ROM updates, and a compact 136.4x67.5mm form factor.

[Details](https://openhardware.directory/devices/waveshare-gpm280) | [Markdown](https://openhardware.directory/devices/waveshare-gpm280/md)

## Waveshare LuckFox Lyra Pi

A compact Linux development board based on the Rockchip RK3506 with triple-core Cortex-A7 + Cortex-M0, 512MB DDR3L, dual Ethernet with PoE, optional Wi-Fi 6 and 4G LTE, and a 40-pin GPIO header.

[Details](https://openhardware.directory/devices/waveshare-luckfox-lyra-pi) | [Markdown](https://openhardware.directory/devices/waveshare-luckfox-lyra-pi/md)

## DFRobot Maixduino AI Development Kit

RISC-V AI development board combining the Kendryte K210 AI processor with ESP32 for WiFi/BT connectivity. Includes camera and microphone for computer vision and voice recognition applications.

[Details](https://openhardware.directory/devices/dfrobot-maixduino) | [Markdown](https://openhardware.directory/devices/dfrobot-maixduino/md)

## Sonoff ZBMini

Zigbee 3.0 two-way smart switch in a tiny form factor that fits behind existing wall switches. Supports external switch input and works with Home Assistant, SmartThings, and other Zigbee hubs.

[Details](https://openhardware.directory/devices/sonoff-zbmini) | [Markdown](https://openhardware.directory/devices/sonoff-zbmini/md)

## Waveshare LuckFox Nova

An ultra-compact Linux SBC powered by Rockchip RK3308B with quad-core Cortex-A35 at 1.3GHz, 512MB DDR3, 8GB eMMC, 100M Ethernet, optional Wi-Fi 6 and PoE, and an integrated audio codec with 8-channel mic support.

[Details](https://openhardware.directory/devices/waveshare-luckfox-nova) | [Markdown](https://openhardware.directory/devices/waveshare-luckfox-nova/md)

## Home Assistant Connect ZWA-2

Z-Wave 700 series USB stick for Home Assistant, based on Silicon Labs EFR32ZG23. Plug-and-play Z-Wave coordinator with long range support, designed by Nabu Casa for seamless Home Assistant integration.

[Details](https://openhardware.directory/devices/home-assistant-connect-zwa-2) | [Markdown](https://openhardware.directory/devices/home-assistant-connect-zwa-2/md)

## Seeed XIAO 2-Channel WiFi AC Relay

ESP32-C6 based 2-channel AC relay module with WiFi 6, Zigbee 3.0, and Thread support. Compact relay board compatible with Arduino and ESPHome for smart home AC switching up to 10A per channel.

[Details](https://openhardware.directory/devices/seeed-xiao-2-channel-wifi-ac-relay) | [Markdown](https://openhardware.directory/devices/seeed-xiao-2-channel-wifi-ac-relay/md)

## Sonoff SNZB-01P

Zigbee 3.0 wireless button and scene switch with single, double, and long press actions. Battery-powered with CR2477 lasting up to 5 years. Works with Home Assistant, Zigbee2MQTT, and eWeLink.

[Details](https://openhardware.directory/devices/sonoff-snzb-01p) | [Markdown](https://openhardware.directory/devices/sonoff-snzb-01p/md)

## RFID RC522 Kit

NXP MFRC522-based 13.56MHz RFID reader/writer kit with SPI interface, including reader module, MIFARE 1K card, and key fob. Ideal for access control and identification projects.

[Details](https://openhardware.directory/devices/rfid-rc522-kit) | [Markdown](https://openhardware.directory/devices/rfid-rc522-kit/md)

## M5Stack Single Live Wire WiFi Smart Switch

ESP32-C6 based WiFi smart switch for single live wire AC power control. Supports WiFi 6 and Zigbee 3.0, fits standard wall boxes for home automation.

[Details](https://openhardware.directory/devices/m5stack-wifi-smart-switch) | [Markdown](https://openhardware.directory/devices/m5stack-wifi-smart-switch/md)

## ADS1115 16-Bit ADC Module

16-bit 4-channel analog-to-digital converter module with programmable gain amplifier (PGA, up to 16x). I2C interface, 860 SPS max. Ideal for precision analog measurements.

[Details](https://openhardware.directory/devices/ads1115-16bit-adc-module) | [Markdown](https://openhardware.directory/devices/ads1115-16bit-adc-module/md)

## ESP8266 ESP-01S WiFi Module

Compact ESP8266-based WiFi dev board with 1MB flash, 2 GPIO pins, and 802.11 b/g/n. Runs Arduino, MicroPython, ESPHome, and Tasmota firmware for smart home and IoT projects.

[Details](https://openhardware.directory/devices/esp8266-esp-01s) | [Markdown](https://openhardware.directory/devices/esp8266-esp-01s/md)

## M5Stack Air Quality Kit v1.1

ESP32-S3 based air quality monitor with SEN55 particulate/VOC sensor, SCD40 CO2 sensor, 1.54" e-ink display, 600mAh battery, and Grove connector.

[Details](https://openhardware.directory/devices/m5stack-air-quality-kit) | [Markdown](https://openhardware.directory/devices/m5stack-air-quality-kit/md)

## LoRa A39-T230A30D1a SX1262 Module

Long-range LoRa transceiver module with Semtech SX1262, UART interface, 1W output power, and up to 16km range at 210-241MHz. Ideal for remote telemetry and agricultural IoT.

[Details](https://openhardware.directory/devices/lora-a39-module) | [Markdown](https://openhardware.directory/devices/lora-a39-module/md)

## FT232 USB to TTL Serial Adapter

FTDI FT232RL-based USB-to-TTL serial adapter with selectable 3.3V/5V logic, 6-pin header, and full modem signals. Essential tool for programming Arduino, ESP8266, and other MCUs.

[Details](https://openhardware.directory/devices/ft232-usb-to-ttl) | [Markdown](https://openhardware.directory/devices/ft232-usb-to-ttl/md)

## M5Stack UnitV2 AI Camera

Linux-based standalone AI camera with SigmaStar SSD202D dual-core Cortex-A7, GC4653 4MP sensor, 128MB RAM, WiFi, and USB-C. Runs Python and V-Training for edge AI.

[Details](https://openhardware.directory/devices/m5stack-unitv2-ai-camera) | [Markdown](https://openhardware.directory/devices/m5stack-unitv2-ai-camera/md)

## nRF24L01 2.4GHz Wireless Module

Nordic nRF24L01+ 2.4GHz wireless transceiver module with SPI interface, 2Mbps data rate, 126 channels, and up to 100m range. Popular choice for Arduino and Raspberry Pi wireless sensor networks.

[Details](https://openhardware.directory/devices/nrf24l01-wireless-module) | [Markdown](https://openhardware.directory/devices/nrf24l01-wireless-module/md)

## M5Stack GPS Module V2.1

ATGM336H-based GPS/GNSS module supporting GPS, BeiDou, Galileo, GLONASS with external active antenna, DIP switch for TX/RX config, and PPS output.

[Details](https://openhardware.directory/devices/m5stack-gps-module-v21) | [Markdown](https://openhardware.directory/devices/m5stack-gps-module-v21/md)

## Holybro Pixhawk 4

Open-source flight controller based on the Pixhawk FMUv5 standard. Features STM32F765 processor at 216MHz, triple redundant IMUs, barometer, and magnetometer. Runs ArduPilot or PX4 autopilot firmware.

[Details](https://openhardware.directory/devices/holybro-pixhawk-4) | [Markdown](https://openhardware.directory/devices/holybro-pixhawk-4/md)

## Holybro M10 GPS

u-blox M10 GPS module with IST8310 compass for Pixhawk flight controllers. Supports GPS, GLONASS, Galileo, and BeiDou constellations with onboard safety switch, buzzer, and LED indicator.

[Details](https://openhardware.directory/devices/holybro-m10-gps) | [Markdown](https://openhardware.directory/devices/holybro-m10-gps/md)

## WiFi Devboard for Flipper Zero

ESP32-S2-based WiFi development board for Flipper Zero enabling wireless firmware updates, Black Magic Probe debugging over USB and WiFi, and WiFi pentesting with PMKID capture and deauth capabilities.

[Details](https://openhardware.directory/devices/flipper-zero-wifi-devboard) | [Markdown](https://openhardware.directory/devices/flipper-zero-wifi-devboard/md)

## Flipper Zero Video Game Module

RP2040-powered expansion module for Flipper Zero with DVI-D video output, 6-axis IMU motion sensor, 14-pin GPIO breakout, and USB-C. Fully open-source firmware and schematics.

[Details](https://openhardware.directory/devices/flipper-zero-video-game-module) | [Markdown](https://openhardware.directory/devices/flipper-zero-video-game-module/md)

## Flipper Zero

Portable open-source multi-tool for hardware exploration, combining Sub-GHz, NFC, RFID 125kHz, infrared, iButton, BLE, and GPIO in a pocket-sized device with a 1.4" monochrome LCD.

[Details](https://openhardware.directory/devices/flipper-zero) | [Markdown](https://openhardware.directory/devices/flipper-zero/md)

## Bee Data Logger

ESP32-S3 based data logging board with DS3231 RTC, microSD card slot, dual STEMMA/Qwiic connectors, and LiPo charging. Achieves ~21µA deep sleep current. Open source hardware with Arduino and CircuitPython support.

[Details](https://openhardware.directory/devices/bee-data-logger) | [Markdown](https://openhardware.directory/devices/bee-data-logger/md)

## TinkerNav RTK GNSS Board

Open-source RTK GNSS board with SkyTraq PX1105R receiver and ESP32-S3 for centimeter-level positioning. Works as base station or rover with WiFi, Bluetooth LE, and optional LoRa connectivity.

[Details](https://openhardware.directory/devices/tinkernav-rtk-gnss-board) | [Markdown](https://openhardware.directory/devices/tinkernav-rtk-gnss-board/md)

## VoltLink CP2102N

Open source USB-to-serial adapter and ESP32 programmer featuring a genuine Silabs CP2102N chip, USB-C connector, auto-reset circuitry, 3.3V 500mA regulator, and ESD/overcurrent protection.

[Details](https://openhardware.directory/devices/voltlink-cp2102n) | [Markdown](https://openhardware.directory/devices/voltlink-cp2102n/md)

## UkieLab WiFi Weather Station 7.5"

A smart WiFi-enabled weather station with a 7.5\" e-ink display showing current conditions, humidity, pressure, and 4-day forecasts via Apple Weather. Available in USB-powered or battery-powered versions with optional CO2 sensor.

[Details](https://openhardware.directory/devices/ukielab-wifi-weather-station-75) | [Markdown](https://openhardware.directory/devices/ukielab-wifi-weather-station-75/md)

## Oui-Spy

ESP32-S3 based multi-mode BLE detection and security research tool with integrated piezo buzzer, MMCX antenna connector, and seven swappable firmware modes for surveillance detection, drone tracking, and RF direction finding.

[Details](https://openhardware.directory/devices/oui-spy) | [Markdown](https://openhardware.directory/devices/oui-spy/md)

## ChameleonUltra

Open-source NFC/RFID multi-tool built on the nRF52840 SoC. Reads, writes, cracks, and emulates 13.56MHz and 125kHz cards in a compact key-fob form factor with BLE 5.0 connectivity.

[Details](https://openhardware.directory/devices/chameleon-ultra) | [Markdown](https://openhardware.directory/devices/chameleon-ultra/md)

## Makerfabs ESP32 UWB Pro with Display

ESP32-WROVER development board with Decawave DWM1000 UWB module for centimeter-accurate indoor positioning and ranging, featuring a 1.3\" OLED display and LiPo battery charging.

[Details](https://openhardware.directory/devices/makerfabs-esp32-uwb-pro-with-display) | [Markdown](https://openhardware.directory/devices/makerfabs-esp32-uwb-pro-with-display/md)

## AVR-HF ADX-MI3

Pre-built digital mode QRP transceiver for amateur radio, supporting FT8, FT4, JS8, and WSPR on HF bands from 160m to 6m with ~5W output, OLED display, and single USB-C cable operation.

[Details](https://openhardware.directory/devices/avr-hf-adx-mi3) | [Markdown](https://openhardware.directory/devices/avr-hf-adx-mi3/md)

## Micro Journal Rev.3: Nadia

A 48-key ortholinear mechanical keyboard designed as a distraction-free writing companion for phones and tablets, powered by RP2040 with QMK/Vial firmware and dual rotary encoders.

[Details](https://openhardware.directory/devices/micro-journal-rev3-nadia) | [Markdown](https://openhardware.directory/devices/micro-journal-rev3-nadia/md)

## Makerfabs ESP32 UWB DW3000

ESP32 + DW3000 UWB development board for centimeter-accurate indoor positioning and ranging. Supports UWB channels 5 and 9, FiRa compatible, Apple U1 interoperable. WiFi and Bluetooth for data relay.

[Details](https://openhardware.directory/devices/makerfabs-esp32-uwb-dw3000) | [Markdown](https://openhardware.directory/devices/makerfabs-esp32-uwb-dw3000/md)

## Evil Crow RF V2

Open-source RF security research tool with ESP32, dual CC1101 sub-GHz transceivers (300-928MHz), and NRF24L01 2.4GHz module for penetration testing, signal analysis, and replay attacks.

[Details](https://openhardware.directory/devices/evil-crow-rf-v2) | [Markdown](https://openhardware.directory/devices/evil-crow-rf-v2/md)

## Louder ESP32

ESP32 audio development board with TAS5805M I2S Class-D amplifier delivering 2x23W stereo output, designed for multi-room audio, network streaming, and smart home integration.

[Details](https://openhardware.directory/devices/louder-esp32) | [Markdown](https://openhardware.directory/devices/louder-esp32/md)

## Gnat LoRa+GNSS Asset Tracker

Ultra-small (20x20mm), ultra-low-power LoRa/LoRaWAN + concurrent GNSS asset tracker by Tlera Corp, built on the Murata CMWX1ZZABZ-078 module with STM32L082 MCU, SX1276 LoRa radio, u-blox MAX-M8Q GNSS, and LIS2DW12 accelerometer.

[Details](https://openhardware.directory/devices/gnat-loragnss-asset-tracker) | [Markdown](https://openhardware.directory/devices/gnat-loragnss-asset-tracker/md)

## Airlytix ES1

ESPHome-native indoor air quality sensor with PM1.0/PM2.5/PM4/PM10, CO2, VOC, NOx, temperature, humidity, pressure, light, and sound monitoring. Designed for Home Assistant with full local control and open YAML configuration.

[Details](https://openhardware.directory/devices/airlytix-es1) | [Markdown](https://openhardware.directory/devices/airlytix-es1/md)

## Grasshopper LoRaWAN Development Board

Ultra-compact 18x45mm LoRaWAN development board from Tlera Corp featuring Murata's FCC-certified CMWX1ZZABZ-078 module with STM32L082 Cortex-M0+ MCU and SX1276 LoRa radio, drawing just 2 uA in stop mode.

[Details](https://openhardware.directory/devices/grasshopper-lorawan-development-board) | [Markdown](https://openhardware.directory/devices/grasshopper-lorawan-development-board/md)

## Elecrow ThinkNode M1

Compact Meshtastic LoRa transceiver with nRF52840, SX1262, 1.54\" e-paper display, GPS, and 1200mAh battery for off-grid mesh communication.

[Details](https://openhardware.directory/devices/elecrow-thinknode-m1) | [Markdown](https://openhardware.directory/devices/elecrow-thinknode-m1/md)

## HeishaMon Communication PCB

Open-source ESP-based communication PCB for local monitoring and control of Panasonic Aquarea heat pumps via MQTT and HTTP, with Home Assistant integration and S0 energy metering support.

[Details](https://openhardware.directory/devices/heishamon-communication-pcb) | [Markdown](https://openhardware.directory/devices/heishamon-communication-pcb/md)

## Armachat FLIP

Pocket-sized open-source LoRa mesh messenger with ESP32-S3, RFM95 radio, 2.8" IPS display, and 36-key QWERTY keyboard. Runs Meshtastic and CircuitPython firmware for off-grid text communication.

[Details](https://openhardware.directory/devices/armachat-flip) | [Markdown](https://openhardware.directory/devices/armachat-flip/md)

## TrackSenger

Compact Meshtastic-compatible LoRa communicator with push-button keyboard, built around the Heltec Wireless Tracker with ESP32-S3, SX1262 LoRa, GPS, and a 0.96" TFT display for off-grid mesh messaging.

[Details](https://openhardware.directory/devices/tracksenger) | [Markdown](https://openhardware.directory/devices/tracksenger/md)

## CircuitMess ClockStar 2.0

DIY smartwatch kit powered by ESP32 with ST7735S display, 6-axis IMU, Bluetooth connectivity, and programmable via CircuitBlocks visual coding environment.

[Details](https://openhardware.directory/devices/circuitmess-clockstar-2-0) | [Markdown](https://openhardware.directory/devices/circuitmess-clockstar-2-0/md)

## CircuitMess NASA Artemis Watch 2.0

NASA-themed programmable smartwatch powered by ESP32-S3 with BLE 5.0, 6-axis IMU, ST7735S display, and activity tracking. Pre-assembled and ready to code.

[Details](https://openhardware.directory/devices/circuitmess-nasa-artemis-watch-2-0) | [Markdown](https://openhardware.directory/devices/circuitmess-nasa-artemis-watch-2-0/md)

## CircuitMess Chatter 2.0

DIY encrypted LoRa communicator kit building a pair of devices for off-grid text messaging up to 2km range. Features ESP32, LLCC68 LoRa radio, and 160×128 TFT display.

[Details](https://openhardware.directory/devices/circuitmess-chatter-2-0) | [Markdown](https://openhardware.directory/devices/circuitmess-chatter-2-0/md)

## CircuitMess ByteBoi 2.0

DIY retro game console kit powered by ESP32 with TFT color display, speaker, microSD card slot, and RGB LED. Build it, play pre-loaded games, then code your own.

[Details](https://openhardware.directory/devices/circuitmess-byteboi-2-0) | [Markdown](https://openhardware.directory/devices/circuitmess-byteboi-2-0/md)

## CircuitMess NASA Mars Perseverance Rover

NASA-themed DIY robotics kit with ESP32-S3, camera, dual DC motors, 3 servos, and WiFi/BLE. Build a programmable Mars Rover replica with robotic arm and live video feed.

[Details](https://openhardware.directory/devices/circuitmess-nasa-mars-perseverance-rover) | [Markdown](https://openhardware.directory/devices/circuitmess-nasa-mars-perseverance-rover/md)

## Wemos D1 Mini (ESP8266)

Compact ESP8266-based WiFi development board with 4MB flash, 11 digital I/O pins, micro-USB, and a rich shield ecosystem. The most popular board for Tasmota and ESPHome DIY home automation projects.

[Details](https://openhardware.directory/devices/wemos-d1-mini-esp8266) | [Markdown](https://openhardware.directory/devices/wemos-d1-mini-esp8266/md)

## Shelly Plus 1

ESP32-C3 based WiFi/BLE smart relay module with 16A switching capacity, dry contact input, and compact DIN-rail or in-wall form factor. Flashable with Tasmota or ESPHome for local smart home control.

[Details](https://openhardware.directory/devices/shelly-plus-1) | [Markdown](https://openhardware.directory/devices/shelly-plus-1/md)

## Sonoff NSPanel

ESP32-based smart wall switch with 3.5-inch capacitive touchscreen, dual relay outputs, temperature sensor, and buzzer. Flashable with Tasmota for custom LVGL/Berry interfaces and Home Assistant integration.

[Details](https://openhardware.directory/devices/sonoff-nspanel) | [Markdown](https://openhardware.directory/devices/sonoff-nspanel/md)

## Sonoff MINIR4 Extreme

Ultra-compact ESP32-C3 WiFi smart switch module with 10A relay, detached switch mode, and the smallest form factor in its class. Fits any wall box. Flashable with Tasmota for local control.

[Details](https://openhardware.directory/devices/sonoff-minir4-extreme) | [Markdown](https://openhardware.directory/devices/sonoff-minir4-extreme/md)

## Shelly Plus 2PM

ESP32-based dual-relay WiFi/BLE smart switch with per-channel power monitoring via ADE7953, cover/shutter control mode, and 10A per channel. Flashable with Tasmota for local roller blind and dual light control.

[Details](https://openhardware.directory/devices/shelly-plus-2pm) | [Markdown](https://openhardware.directory/devices/shelly-plus-2pm/md)

## Sonoff POW Elite 16A

ESP32-based WiFi smart switch with high-accuracy power monitoring via CSE7766, 16A relay, LCD display, and DIN-rail mounting. Flashable with Tasmota for local energy tracking and home automation.

[Details](https://openhardware.directory/devices/sonoff-pow-elite-16a) | [Markdown](https://openhardware.directory/devices/sonoff-pow-elite-16a/md)

## Sonoff Dual R3

ESP32-based dual-relay WiFi smart switch with per-channel power monitoring, roller shutter mode, and 2×10A outputs. Ideal for motorized blinds with Tasmota shutter calibration and position tracking.

[Details](https://openhardware.directory/devices/sonoff-dual-r3) | [Markdown](https://openhardware.directory/devices/sonoff-dual-r3/md)

## Sonoff Zigbee Bridge Pro

ESP32-based Zigbee-to-WiFi gateway with CC2652P coordinator chip supporting 128 Zigbee devices. Flashable with Tasmota for local Zigbee bridge operation with Home Assistant via MQTT.

[Details](https://openhardware.directory/devices/sonoff-zigbee-bridge-pro) | [Markdown](https://openhardware.directory/devices/sonoff-zigbee-bridge-pro/md)

## Olimex ESP32-POE

Open-source ESP32 development board with built-in Ethernet, Power-over-Ethernet support, micro-SD card slot, and LiPo battery connector. Ideal for wired Tasmota nodes and industrial IoT applications.

[Details](https://openhardware.directory/devices/olimex-esp32-poe) | [Markdown](https://openhardware.directory/devices/olimex-esp32-poe/md)

## DFRobot Beetle CM-32U4

Ultra-compact Arduino Leonardo-compatible microcontroller board with ATmega32U4, integrated lithium battery charging, and native USB in a tiny 22x20.5mm form factor.

[Details](https://openhardware.directory/devices/dfrobot-beetle-cm-32u4) | [Markdown](https://openhardware.directory/devices/dfrobot-beetle-cm-32u4/md)

## DFRobot EDGE201 DMX512 ESP32-S3 Lighting Controller

ESP32-S3-based DMX512 lighting programming controller with dual-core architecture, 8 optically isolated inputs, RS485, relay output, WiFi/Bluetooth, and DIN-rail mounting in an alloy steel enclosure. Designed for stage, theater, and venue lighting automation.

[Details](https://openhardware.directory/devices/dfrobot-edge201-dmx512-esp32-s3-controller) | [Markdown](https://openhardware.directory/devices/dfrobot-edge201-dmx512-esp32-s3-controller/md)

## DFRobot FireBeetle 2 M0

Compact, low-power ARM Cortex-M0+ development board with ATSAMD21G18 MCU, 16MB SPI flash, USB-C, WS2812 RGB LED, and FPC display connector, ideal for IoT and low-power applications.

[Details](https://openhardware.directory/devices/dfrobot-firebeetle-2-m0) | [Markdown](https://openhardware.directory/devices/dfrobot-firebeetle-2-m0/md)

## DFRobot Beetle ESP32-C3

Coin-sized ESP32-C3 RISC-V IoT development board with WiFi, BLE 5.0, integrated LiPo charging, 13 GPIO pins, and USB-C in a 25x20.5mm form factor.

[Details](https://openhardware.directory/devices/dfrobot-beetle-esp32-c3) | [Markdown](https://openhardware.directory/devices/dfrobot-beetle-esp32-c3/md)

## LattePanda 3 Delta

Pocket-sized x86 single board computer with Intel Celeron N5105 quad-core, 8GB LPDDR4 RAM, 64GB eMMC, Wi-Fi 6, 2.5GbE, triple display output, and an integrated Arduino Leonardo co-processor.

[Details](https://openhardware.directory/devices/lattepanda-3-delta) | [Markdown](https://openhardware.directory/devices/lattepanda-3-delta/md)

## Pine64 PineTime

Open-source smartwatch built on the Nordic nRF52832 SoC with 1.3-inch IPS touchscreen, heart rate sensor, accelerometer, and week-long battery life. Runs InfiniTime, Wasp-OS, or Zephyr firmware. Priced from $27.

[Details](https://openhardware.directory/devices/pine64-pinetime) | [Markdown](https://openhardware.directory/devices/pine64-pinetime/md)

## DFRobot FireBeetle 2 ESP32-C5 Development Kit

ESP32-C5 RISC-V development kit with dual-band WiFi 6 (2.4/5GHz), BLE 5, Zigbee 3.0, Thread 1.3, and Matter support. Features solar charging, 21uA deep sleep, IO expansion board, and 18 digital I/O pins at just $8.90.

[Details](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-c5) | [Markdown](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-c5/md)

## makerdiary nRF52840-MDK USB Dongle

Open-source multi-protocol wireless USB dongle based on the Nordic nRF52840 SoC. Supports BLE 5.4, Thread, Zigbee, 802.15.4, NFC, and USB 2.0 with UF2 drag-and-drop bootloader. Priced at $12.99.

[Details](https://openhardware.directory/devices/makerdiary-nrf52840-mdk-usb-dongle) | [Markdown](https://openhardware.directory/devices/makerdiary-nrf52840-mdk-usb-dongle/md)

## nice!nano v2 Wireless Keyboard Controller

Pro Micro drop-in replacement wireless keyboard controller built on the nRF52840 with BLE 5.0, onboard LiPo charger, mid-mount USB-C, and UF2 bootloader. The most popular controller for ZMK wireless split keyboards at $25.

[Details](https://openhardware.directory/devices/nice-nano-v2-wireless-keyboard-controller) | [Markdown](https://openhardware.directory/devices/nice-nano-v2-wireless-keyboard-controller/md)

## LattePanda IOTA

Palm-sized x86 SBC with Intel N150 quad-core (up to 3.6GHz), 16GB LPDDR5, 128GB eMMC, RP2040 co-processor, Gigabit Ethernet, HDMI 2.1, and Windows 11 IoT Enterprise — in the classic LattePanda V1 form factor.

[Details](https://openhardware.directory/devices/lattepanda-iota) | [Markdown](https://openhardware.directory/devices/lattepanda-iota/md)

## DFRobot Beetle ESP32

Compact ESP32 dual-core development board with WiFi, Bluetooth 4.2, sewable I/O pads, and wearable-friendly 35x34mm form factor for IoT and e-textile projects.

[Details](https://openhardware.directory/devices/dfrobot-beetle-esp32) | [Markdown](https://openhardware.directory/devices/dfrobot-beetle-esp32/md)

## BeagleConnect Freedom

Open-source wireless IoT board with TI CC1352P7 dual-band radio (sub-GHz + 2.4 GHz), BLE 5.0, two mikroBUS sockets for 1,000+ Click boards, and Zephyr RTOS. Designed for long-range wireless sensor networks up to 1 km.

[Details](https://openhardware.directory/devices/beagleconnect-freedom) | [Markdown](https://openhardware.directory/devices/beagleconnect-freedom/md)

## DFRobot FireBeetle 2 ESP32-E

Compact ESP32-E IoT microcontroller with WiFi 802.11 b/g/n, Bluetooth 4.2, 18 digital I/O, 11 analog inputs, 7 touch pins, 2 DACs, onboard WS2812 RGB LED, GDI display interface, and lithium battery charging in a tiny 25.4x60mm form factor.

[Details](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-e) | [Markdown](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-e/md)

## DFRobot Beetle RP2040

Compact RP2040 dual-core ARM Cortex-M0+ development board with USB-C, 8 GPIO pins, and beginner-friendly immersion gold pads in a 27x20mm form factor.

[Details](https://openhardware.directory/devices/dfrobot-beetle-rp2040) | [Markdown](https://openhardware.directory/devices/dfrobot-beetle-rp2040/md)

## LattePanda Mu N100

Card-sized x86 compute module with Intel N100 quad-core (up to 3.4GHz), 8GB LPDDR5, 64GB eMMC, 9 PCIe 3.0 lanes, triple display output, and open-source KiCAD carrier board design for custom embedded systems.

[Details](https://openhardware.directory/devices/lattepanda-mu-n100) | [Markdown](https://openhardware.directory/devices/lattepanda-mu-n100/md)

## Waveshare RP2040-GEEK

A compact USB-A development board and debugging tool built around the RP2040 dual-core Cortex-M0+ MCU, featuring a 1.14-inch IPS LCD, microSD card slot, and exposed SWD, UART, and I2C connectors for programming ARM microcontrollers.

[Details](https://openhardware.directory/devices/waveshare-rp2040-geek) | [Markdown](https://openhardware.directory/devices/waveshare-rp2040-geek/md)

## LuckFox Omni3576

Rockchip RK3576 octa-core edge computing SBC with 6 TOPS NPU, dual Gigabit Ethernet, WiFi 6, dual MIPI CSI camera inputs, HDMI 2.1 4K@120Hz output, and M.2 NVMe slot. Supports Debian, Ubuntu, Android 14, and Buildroot.

[Details](https://openhardware.directory/devices/waveshare-luckfox-omni3576) | [Markdown](https://openhardware.directory/devices/waveshare-luckfox-omni3576/md)

## DFRobot FireBeetle 2 ESP32-P4 AI Development Kit

ESP32-P4 dual-core RISC-V AI development kit with hardware H.264 encoding at 1080p@30fps, MIPI CSI/DSI camera and display interfaces, ESP32-C6 WiFi 6 coprocessor, 32MB PSRAM, 16MB flash, PDM microphone, and IO expansion board.

[Details](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-p4-kit) | [Markdown](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-p4-kit/md)

## DFRobot Beetle RP2350

Ultra-affordable RP2350 dual-architecture development board with switchable ARM Cortex-M33 / RISC-V cores, LiPo charging, 11 GPIO pins, and USB-C in a 25x20.5mm package.

[Details](https://openhardware.directory/devices/dfrobot-beetle-rp2350) | [Markdown](https://openhardware.directory/devices/dfrobot-beetle-rp2350/md)

## LattePanda Mu N305

Card-sized x86 compute module with Intel Core i3-N305 8-core (up to 3.8GHz), 16GB LPDDR5, 64GB eMMC, 9 PCIe 3.0 lanes, triple display output, and open-source KiCAD carrier board design.

[Details](https://openhardware.directory/devices/lattepanda-mu-n305) | [Markdown](https://openhardware.directory/devices/lattepanda-mu-n305/md)

## Waveshare ESP32-C6-GEEK

Compact USB-A dongle development board with ESP32-C6 RISC-V MCU, 1.14\" IPS LCD, WiFi 6, BLE 5.0, Zigbee 3.0, Thread, and microSD slot for portable IoT projects.

[Details](https://openhardware.directory/devices/waveshare-esp32-c6-geek) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-c6-geek/md)

## Waveshare RP2350B-Plus-W

Compact Pico-form-factor development board featuring the Raspberry Pi RP2350B dual-architecture MCU with WiFi and Bluetooth 5.2 via the Raspberry Pi Radio Module 2, 16MB flash, 26 GPIO pins, and USB-C connectivity.

[Details](https://openhardware.directory/devices/waveshare-rp2350b-plus-w) | [Markdown](https://openhardware.directory/devices/waveshare-rp2350b-plus-w/md)

## DFRobot FireBeetle 2 ESP32-P4 AI Vision Board

ESP32-P4 dual-core RISC-V AI vision board at 360MHz with hardware H.264/JPEG encoding, MIPI CSI/DSI interfaces, ESP32-C6 WiFi 6 coprocessor, 32MB PSRAM, 16MB flash, PDM microphone, TF card slot, and 24 GPIO pins in a compact 25.4x60mm form factor.

[Details](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-p4) | [Markdown](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-p4/md)

## Waveshare UGV Rover

Open-source 6-wheel 4WD AI robot platform with dual-controller architecture (ESP32 + Raspberry Pi), computer vision, pan-tilt camera, ESP-NOW communication, and ROS2 support for robotics education and autonomous navigation.

[Details](https://openhardware.directory/devices/waveshare-ugv-rover) | [Markdown](https://openhardware.directory/devices/waveshare-ugv-rover/md)

## D-Robotics RDK X3

AI-focused single board computer with 5 TOPS NPU, quad-core ARM Cortex-A53, 4GB LPDDR4, dual MIPI CSI cameras, and ROS2 support for robotics and edge AI.

[Details](https://openhardware.directory/devices/d-robotics-rdk-x3) | [Markdown](https://openhardware.directory/devices/d-robotics-rdk-x3/md)

## DFRobot Romeo ESP32-S3

All-in-one robotics development board with ESP32-S3 (16MB flash, 8MB PSRAM), four-channel 2.5A motor driver, OV2640 camera, WiFi, Bluetooth 5, microSD, and GDI display connector for building smart robots.

[Details](https://openhardware.directory/devices/dfrobot-romeo-esp32-s3) | [Markdown](https://openhardware.directory/devices/dfrobot-romeo-esp32-s3/md)

## Ai-Thinker Ra-09-DTU

Intelligent wireless LoRaWAN DTU with isolated RS485 interface, powered by STM32WLE5CCU6 ARM Cortex-M4 MCU with integrated Sub-GHz radio. Wide 6-36V input for industrial deployment.

[Details](https://openhardware.directory/devices/ai-thinker-ra-09-dtu) | [Markdown](https://openhardware.directory/devices/ai-thinker-ra-09-dtu/md)

## DFRobot FireBeetle 2 ESP32-S3 (N4)

ESP32-S3 dual-core IoT microcontroller with AI acceleration, WiFi 802.11 b/g/n, BLE 5.0, 26 GPIO pins, 20 ADC channels, USB 2.0 OTG, GDI display interface, lithium battery charging, and stamp-hole PCB design in a 25.4x60mm form factor.

[Details](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-s3-n4) | [Markdown](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-s3-n4/md)

## LuckFox Pico WebBee

Ultra-compact Rockchip RV1103 Linux micro development board in USB dongle form factor with 10/100Mbps Ethernet, 64MB DDR2, 128MB NAND flash, and ABS protective case. Ideal for lightweight web servers, USB scripting, and smart home IoT.

[Details](https://openhardware.directory/devices/waveshare-luckfox-webbee) | [Markdown](https://openhardware.directory/devices/waveshare-luckfox-webbee/md)

## D-Robotics RDK X5

High-performance AI SBC with 10 TOPS NPU, octa-core ARM Cortex-A55, 8GB LPDDR4, WiFi 6, 4x USB 3.0, dual MIPI CSI, CAN FD, and ROS2 support for advanced robotics.

[Details](https://openhardware.directory/devices/d-robotics-rdk-x5) | [Markdown](https://openhardware.directory/devices/d-robotics-rdk-x5/md)

## LuckFox Pico

Ultra-compact Linux SBC (51x21mm) based on Rockchip RV1103 with ARM Cortex-A7 @ 1.2GHz, RISC-V MCU co-processor, 0.5 TOPS NPU, ISP 3.2, 64MB DDR2, MIPI CSI camera, and 24 GPIO pins in a Pico form factor.

[Details](https://openhardware.directory/devices/luckfox-pico) | [Markdown](https://openhardware.directory/devices/luckfox-pico/md)

## Waveshare ESP32-P4-Pico

Compact Pico-form-factor development board based on the ESP32-P4 RISC-V dual-core processor at 400MHz with 32MB PSRAM, 32MB flash, MIPI-DSI/CSI interfaces, onboard ES8311 audio codec with NS4150B amplifier, microSD slot, and USB 2.0 OTG HS.

[Details](https://openhardware.directory/devices/waveshare-esp32-p4-pico) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-p4-pico/md)

## Waveshare RP2350-One

Ultra-compact USB-A plug-and-play development board with the Raspberry Pi RP2350A dual-architecture MCU, 4MB flash, WS2812 RGB LED, castellated module design, and 29 GPIO pins in a tiny 18 x 25.5mm form factor.

[Details](https://openhardware.directory/devices/waveshare-rp2350-one) | [Markdown](https://openhardware.directory/devices/waveshare-rp2350-one/md)

## DFRobot UNIHIKER K10

All-in-one AI coding board for STEM education with ESP32-S3, 2.8-inch touchscreen, 2MP camera, microphone, speaker, environmental sensors, WiFi, Bluetooth 5, and pre-loaded AI models for vision, voice, and TinyML.

[Details](https://openhardware.directory/devices/dfrobot-unihiker-k10) | [Markdown](https://openhardware.directory/devices/dfrobot-unihiker-k10/md)

## Waveshare ESP32-H2-Zero

Ultra-compact castellated ESP32-H2 development board with BLE 5.2, Zigbee 3.0, Thread 1.3, and Matter support. USB-C powered with WS2812 RGB LED, 15 GPIO pins, and 4MB flash in a tiny 23.5 x 15.2mm form factor.

[Details](https://openhardware.directory/devices/waveshare-esp32-h2-zero) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-h2-zero/md)

## DFRobot Beetle BLE

Ultra-compact Arduino Uno-compatible board with BLE 4.0 (CC2540), ATmega328P, sewable gold-plated I/O pads, and wireless programming in a 28.8x33.1mm wearable form factor.

[Details](https://openhardware.directory/devices/dfrobot-beetle-ble) | [Markdown](https://openhardware.directory/devices/dfrobot-beetle-ble/md)

## DFRobot FireBeetle 328P BLE 4.1

Low-power Arduino-compatible board with ATmega328P and Dialog BLE 4.1 chip, featuring 14 digital I/O, 6 analog inputs, wireless OTA programming, 25uA deep sleep, onboard LiPo charging, and dual interrupt wakeup in a compact 58x29mm form factor.

[Details](https://openhardware.directory/devices/dfrobot-firebeetle-328p-ble) | [Markdown](https://openhardware.directory/devices/dfrobot-firebeetle-328p-ble/md)

## DFRobot W5500 Ethernet PoE Board

Arduino Leonardo-compatible IoT board with WIZnet W5500 hardwired TCP/IP Ethernet (10/100Mbps), 802.3af PoE power input, ATmega32u4 MCU, 20 digital I/O pins, and 6 analog inputs for wired IoT applications.

[Details](https://openhardware.directory/devices/dfrobot-w5500-ethernet-poe) | [Markdown](https://openhardware.directory/devices/dfrobot-w5500-ethernet-poe/md)

## Waveshare RP2040-PiZero

A Raspberry Pi Zero form-factor development board based on the RP2040 dual-core Cortex-M0+ MCU with 16MB flash, Mini HDMI (DVI) output via PIO bitbanging, USB-C, PIO-USB host port, microSD card slot, LiPo battery charging, and a 40-pin Raspberry Pi-compatible GPIO header.

[Details](https://openhardware.directory/devices/waveshare-rp2040-pizero) | [Markdown](https://openhardware.directory/devices/waveshare-rp2040-pizero/md)

## LuckFox Pico Pi

Rockchip RV1106 Linux development board with 40-pin RPi-compatible GPIO, 100M Ethernet, optional WiFi 6, 4G LTE M.2 slot, MIPI CSI camera, 4x USB-A host ports, 8GB eMMC, audio jack, and onboard microphone. Available in A (1 TOPS NPU, 256MB) and B (0.5 TOPS, 128MB) variants.

[Details](https://openhardware.directory/devices/waveshare-luckfox-pico-pi) | [Markdown](https://openhardware.directory/devices/waveshare-luckfox-pico-pi/md)

## DFRobot Beetle Board

The original coin-sized Arduino Leonardo-compatible board with ATmega32U4, native USB, 10 digital and 5 analog pins, and sewable gold-plated pads in a 20x22mm form factor.

[Details](https://openhardware.directory/devices/dfrobot-beetle-board) | [Markdown](https://openhardware.directory/devices/dfrobot-beetle-board/md)

## Waveshare WAVE ROVER

Flexible 4WD mobile robot chassis with all-metal body, ESP32 controller, 0.91\" OLED, 9-axis IMU, 3S UPS power system, and open-source firmware. Supports Raspberry Pi and Jetson Nano as host computers.

[Details](https://openhardware.directory/devices/waveshare-wave-rover) | [Markdown](https://openhardware.directory/devices/waveshare-wave-rover/md)

## DFRobot Xboard Relay

Ethernet-controlled dual-relay board with ATmega32u4, WIZnet W5100 Ethernet, XBee socket, and two 10A relays for remote switching of AC/DC loads via web or MQTT, ideal for home automation.

[Details](https://openhardware.directory/devices/dfrobot-xboard-relay) | [Markdown](https://openhardware.directory/devices/dfrobot-xboard-relay/md)

## DFRobot FireBeetle ESP32

Compact ESP32 IoT microcontroller with dual-core Xtensa LX6 at 240MHz, WiFi 802.11 b/g/n, Bluetooth 4.2, 16MB flash, 520KB SRAM, 10 digital I/O, 5 analog inputs, onboard LiPo charging, 10uA deep sleep, and 250+ tutorials.

[Details](https://openhardware.directory/devices/dfrobot-firebeetle-esp32) | [Markdown](https://openhardware.directory/devices/dfrobot-firebeetle-esp32/md)

## Waveshare RaspRover

Open-source 4WD AI robot with dual-controller architecture (ESP32 + Raspberry Pi), 5MP 160-degree camera, pan-tilt module, audio system, computer vision via OpenCV/MediaPipe, and ROS2 support for AI robotics education.

[Details](https://openhardware.directory/devices/waveshare-rasprover) | [Markdown](https://openhardware.directory/devices/waveshare-rasprover/md)

## Waveshare RP2350-PiZero

Raspberry Pi Zero-shaped development board with RP2350B MCU, 16MB flash, mini-HDMI DVI output, microSD card slot, PIO-USB port, lithium battery header, and 40-pin Raspberry Pi HAT-compatible GPIO header.

[Details](https://openhardware.directory/devices/waveshare-rp2350-pizero) | [Markdown](https://openhardware.directory/devices/waveshare-rp2350-pizero/md)

## Waveshare Cobra Flex

All-metal modular drive-by-wire 4WD robot chassis with ESP32-S3 controller, hub motors with built-in FOC control, CNC metal suspension, LIN bus communication, IP32 protection, and 12 kg payload capacity for heavy-duty robotics.

[Details](https://openhardware.directory/devices/waveshare-cobra-flex) | [Markdown](https://openhardware.directory/devices/waveshare-cobra-flex/md)

## DFRobot ESP32-S3 AI Camera

ESP32-S3 AI camera module with 2MP wide-angle night vision sensor, I2S speaker and microphone, ambient light sensor, WiFi/BLE 5.0, and edge AI inference support in a 42x42mm package.

[Details](https://openhardware.directory/devices/dfrobot-esp32-s3-ai-camera) | [Markdown](https://openhardware.directory/devices/dfrobot-esp32-s3-ai-camera/md)

## DFRobot FireBeetle ESP8266

Compact ESP8266 WiFi IoT microcontroller with Tensilica L106 at 80/160MHz, 16MB flash, 50KB SRAM, 10 digital I/O, onboard LiPo charging, 46uA low-power mode, OTA updates, and Arduino/MicroPython support at just $7.50.

[Details](https://openhardware.directory/devices/dfrobot-firebeetle-esp8266) | [Markdown](https://openhardware.directory/devices/dfrobot-firebeetle-esp8266/md)

## LuckFox Pico 86 Panel

Standard 86-type wall-mount smart panel with 4-inch 720x720 IPS capacitive touch display, Rockchip RV1106 SoC, 2-channel relay with optocoupler isolation, RS485, 100M Ethernet, onboard speaker and microphone, wide 6-30V DC input. Designed for smart home control and HMI applications.

[Details](https://openhardware.directory/devices/waveshare-luckfox-pico-86-panel) | [Markdown](https://openhardware.directory/devices/waveshare-luckfox-pico-86-panel/md)

## Waveshare CM5-DUAL-ETH-BASE

Gigabit + 2.5G dual Ethernet base board for Raspberry Pi Compute Module 5 with M.2 NVMe slot, dual HDMI 4K output, dual MIPI interfaces, wide 7-36V input, EEPROM, and encryption chip for industrial IoT applications.

[Details](https://openhardware.directory/devices/waveshare-cm5-dual-eth-base) | [Markdown](https://openhardware.directory/devices/waveshare-cm5-dual-eth-base/md)

## Waveshare RP2040-LoRa

A compact RP2040-based LoRa module with SX1262 transceiver, available in 410-525MHz (LF) and 850-930MHz (HF) variants, featuring 2MB flash, 20 GPIO pins, IPEX antenna connector, and castellated edge design for embedded integration.

[Details](https://openhardware.directory/devices/waveshare-rp2040-lora) | [Markdown](https://openhardware.directory/devices/waveshare-rp2040-lora/md)

## Waveshare RP2350-ETH-8DI-8RO

Industrial DIN-rail RP2350B controller with 8-channel relay outputs (10A/250VAC), 8 optocoupler-isolated digital inputs, W5500 Ethernet (optional PoE), isolated RS485, RTC, microSD, and 7-36V wide-voltage power input in a robust ABS enclosure.

[Details](https://openhardware.directory/devices/waveshare-rp2350-eth-8di-8ro) | [Markdown](https://openhardware.directory/devices/waveshare-rp2350-eth-8di-8ro/md)

## Waveshare ESP32-S3-LR1121

Compact castellated ESP32-S3 development board with Semtech LR1121 multi-band LoRa transceiver supporting Sub-GHz and 2.4GHz bands, WiFi, BLE 5.0, and Meshtastic compatibility in a 41x21mm form factor.

[Details](https://openhardware.directory/devices/waveshare-esp32-s3-lr1121) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-s3-lr1121/md)

## LuckFox PicoKVM

Compact IP-KVM remote management tool based on RV1106G3, capturing 1080p@60fps HDMI with H.264 encoding at 80-200ms latency. Features 100M Ethernet, USB HID/UMS emulation, Wake-on-LAN, web terminal, and optional 1.54-inch touch display.

[Details](https://openhardware.directory/devices/waveshare-luckfox-picokvm) | [Markdown](https://openhardware.directory/devices/waveshare-luckfox-picokvm/md)

## LuckFox Pico Mini

Tiny Linux SBC (28x21mm) based on Rockchip RV1103 with ARM Cortex-A7 @ 1.2GHz, RISC-V MCU, 0.5 TOPS NPU, 64MB DDR2, MIPI CSI camera, 17 GPIO pins, and castellated-hole design for direct soldering.

[Details](https://openhardware.directory/devices/luckfox-pico-mini) | [Markdown](https://openhardware.directory/devices/luckfox-pico-mini/md)

## Waveshare ESP32-S3-CAM-OV5640

ESP32-S3 AIoT camera board with 5MP OV5640 autofocus camera, dual-microphone array with noise cancellation, ES8311 audio codec, NS4150B speaker amplifier, battery charging, and display/camera expansion interfaces.

[Details](https://openhardware.directory/devices/waveshare-esp32-s3-cam-ov5640) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-s3-cam-ov5640/md)

## LuckFox Pico Zero

Feature-rich Linux SBC based on Rockchip RV1106G3 with ARM Cortex-A7, 1.0 TOPS NPU, 256MB DDR3L, 8GB eMMC, WiFi 6, Bluetooth 5.2, 40-pin RPi-compatible GPIO, MIPI CSI 4-lane camera, and onboard microphone/speaker.

[Details](https://openhardware.directory/devices/luckfox-pico-zero) | [Markdown](https://openhardware.directory/devices/luckfox-pico-zero/md)

## Waveshare ESP32-P4-WIFI6

Pico-form-factor development board combining the ESP32-P4 RISC-V dual-core at 400MHz with an ESP32-C6 co-processor for WiFi 6 and Bluetooth 5 LE. Features 32MB PSRAM, 32MB flash, MIPI-DSI/CSI, onboard audio, microSD, and USB 2.0 OTG HS.

[Details](https://openhardware.directory/devices/waveshare-esp32-p4-wifi6) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-p4-wifi6/md)

## LuckFox Pico Ultra

Full-featured Linux SBC based on Rockchip RV1106G3 with 1.0 TOPS NPU, 256MB DDR3L, 8GB eMMC, 100M Ethernet (RJ45), optional WiFi 6/BT 5.2, MIPI CSI camera, RGB LCD display output, speaker, and PoE header.

[Details](https://openhardware.directory/devices/luckfox-pico-ultra) | [Markdown](https://openhardware.directory/devices/luckfox-pico-ultra/md)

## Waveshare ESP32-S3-AUDIO-Board

ESP32-S3 AI smart speaker development board with dual-microphone array, ES8311 audio codec, 7 surround RGB LEDs, RTC, camera and LCD expansion interfaces, and LiPo battery support for voice assistant and audio projects.

[Details](https://openhardware.directory/devices/waveshare-esp32-s3-audio-board) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-s3-audio-board/md)

## LuckFox Pico Pro

Linux SBC based on Rockchip RV1106G2 with ARM Cortex-A7 @ 1.2GHz, 0.5 TOPS NPU, 128MB DDR3L, 256MB SPI NAND Flash, 100M Ethernet (RJ45), MIPI CSI camera, 26 GPIO pins, and RTC battery header in Pico form factor.

[Details](https://openhardware.directory/devices/luckfox-pico-pro) | [Markdown](https://openhardware.directory/devices/luckfox-pico-pro/md)

## LuckFox Core3506

Tiny 32x32mm Rockchip RK3506B core module with tri-core ARM Cortex-A7 + Cortex-M0, 512MB DDR3L, optional 8GB eMMC, dual 100M Ethernet RMII, MIPI DSI 2-lane, 4-ch ADC, CAN bus, and 120-pin castellated holes. Supports Linux, RTOS, and bare-metal via AMP.

[Details](https://openhardware.directory/devices/waveshare-luckfox-core3506) | [Markdown](https://openhardware.directory/devices/waveshare-luckfox-core3506/md)

## Waveshare RP2350-CAN

Pico-compatible development board with RP2350A MCU, onboard CAN V2.0B bus interface (XL2515 controller + SIT65HVD230DR transceiver), 4MB flash, 26 GPIO pins, castellated module design, and USB-C connectivity for automotive and industrial CAN bus applications.

[Details](https://openhardware.directory/devices/waveshare-rp2350-can) | [Markdown](https://openhardware.directory/devices/waveshare-rp2350-can/md)

## Waveshare ESP32-P4-ETH

Pico-form-factor development board with ESP32-P4 RISC-V dual-core at 400MHz, 100Mbps Ethernet via IP101 PHY, 32MB PSRAM, 32MB flash, MIPI-DSI/CSI interfaces, onboard ES8311 audio codec with amplifier, microSD, USB 2.0 OTG HS, and PoE module header.

[Details](https://openhardware.directory/devices/waveshare-esp32-p4-eth) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-p4-eth/md)

## LuckFox Pico Plus

Linux SBC based on Rockchip RV1103 with ARM Cortex-A7 @ 1.2GHz, RISC-V MCU, 0.5 TOPS NPU, 64MB DDR2, 128MB NAND Flash, 10/100M Ethernet (RJ45), MIPI CSI camera, and 25 GPIO pins in a Pico form factor.

[Details](https://openhardware.directory/devices/luckfox-pico-plus) | [Markdown](https://openhardware.directory/devices/luckfox-pico-plus/md)

## Waveshare ESP32-S3-RS485-CAN

Industrial ESP32-S3 control board with isolated RS-485 and CAN bus interfaces, 7-36V wide voltage input, PCF85063 RTC, DIN rail enclosure, and WiFi/Bluetooth for industrial IoT and automation applications.

[Details](https://openhardware.directory/devices/waveshare-esp32-s3-rs485-can) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-s3-rs485-can/md)

## LuckFox Lyra

Compact Linux SBC based on Rockchip RK3506G2 with triple-core ARM Cortex-A7 @ 1.2GHz + Cortex-M0 MCU, 128MB DDR3L, MIPI DSI display output (up to 1280x800), 24 Rockchip Matrix IO pins, and built-in audio/video codec.

[Details](https://openhardware.directory/devices/luckfox-lyra) | [Markdown](https://openhardware.directory/devices/luckfox-lyra/md)

## Waveshare ESP32-P4-WIFI6-DEV-KIT

Full-featured ESP32-P4 development board with WiFi 6 and Bluetooth 5 LE via ESP32-C6, 100Mbps Ethernet, PoE header, 3.5mm headphone jack, USB OTG HS switchable host/device, 16MB flash, 32MB PSRAM, MIPI-DSI/CSI, and 28 GPIOs.

[Details](https://openhardware.directory/devices/waveshare-esp32-p4-wifi6-dev-kit) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-p4-wifi6-dev-kit/md)

## LuckFox Lyra Ultra

Feature-rich Linux SBC based on Rockchip RK3506B with triple-core ARM Cortex-A7 @ 1.2GHz + Cortex-M0, 512MB DDR3L, 8GB eMMC, 100M Ethernet, optional WiFi 6/BT 5.2, MIPI DSI display, PoE header, and 33 GPIO pins.

[Details](https://openhardware.directory/devices/luckfox-lyra-ultra) | [Markdown](https://openhardware.directory/devices/luckfox-lyra-ultra/md)

## LuckFox Core1106

Compact 30x30mm Rockchip RV1106 compute module with ARM Cortex-A7, up to 1 TOPS NPU, 5MP ISP, 256MB DDR3L, 8GB eMMC, optional WiFi 6 and BLE 5.2, dual MIPI CSI camera inputs, and 112 castellated holes. Designed for vision AI and IoT integration.

[Details](https://openhardware.directory/devices/waveshare-luckfox-core1106) | [Markdown](https://openhardware.directory/devices/waveshare-luckfox-core1106/md)

## Waveshare ESP32-S3-POE-ETH-8DI-8DO

Industrial ESP32-S3 controller with 8-channel optocoupler-isolated digital inputs (5-36V), 8-channel Darlington outputs (500mA each), PoE Ethernet (W5500), isolated RS-485 and CAN bus, RTC, and DIN rail enclosure.

[Details](https://openhardware.directory/devices/waveshare-esp32-s3-poe-eth-8di-8do) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-s3-poe-eth-8di-8do/md)

## LuckFox Lyra Zero W

Compact Linux SBC based on Rockchip RK3506B with triple-core ARM Cortex-A7 @ 1.2GHz + Cortex-M0, 512MB DDR3L, 256MB NAND Flash, WiFi 6, Bluetooth 5.2, MIPI DSI display, 28 Matrix IO pins, and 40-pin RPi-compatible header.

[Details](https://openhardware.directory/devices/luckfox-lyra-zero-w) | [Markdown](https://openhardware.directory/devices/luckfox-lyra-zero-w/md)

## Waveshare ESP32-P4-WIFI6-POE-ETH

ESP32-P4 development board with WiFi 6 and Bluetooth 5 LE via ESP32-C6, 100Mbps PoE Ethernet via IP101GRI, IPEX external antenna, USB Type-A OTG HS, 32MB PSRAM, 16MB flash, MIPI-DSI/CSI, onboard audio, and 28 GPIOs.

[Details](https://openhardware.directory/devices/waveshare-esp32-p4-wifi6-poe-eth) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-p4-wifi6-poe-eth/md)

## LuckFox Lyra Plus

Compact Linux SBC based on Rockchip RK3506G2 with triple-core ARM Cortex-A7 @ 1.2GHz + Cortex-M0, 128MB DDR3L, 256MB NAND Flash, 100M Ethernet, MIPI DSI display output, 24 Rockchip Matrix IO pins, and built-in audio/video codec.

[Details](https://openhardware.directory/devices/luckfox-lyra-plus) | [Markdown](https://openhardware.directory/devices/luckfox-lyra-plus/md)

## Waveshare RP2350-Matrix

Compact RP2350A development board with an 8x8 WS2812 addressable RGB LED matrix, QMI8658 6-axis IMU (accelerometer + gyroscope), 16MB flash, 25 GPIO pins, HSTX interface, and USB-C for interactive LED displays and motion-controlled projects.

[Details](https://openhardware.directory/devices/waveshare-rp2350-matrix) | [Markdown](https://openhardware.directory/devices/waveshare-rp2350-matrix/md)

## Waveshare RP2040-BLE

A compact RP2040-based module with Bluetooth 5.1 dual-mode (BLE + Classic SPP) connectivity, 2MB flash, 14 GPIO pins, ceramic antenna, and castellated edge design for embedded Bluetooth applications.

[Details](https://openhardware.directory/devices/waveshare-rp2040-ble) | [Markdown](https://openhardware.directory/devices/waveshare-rp2040-ble/md)

## LuckFox Core3576 Module

Rockchip RK3576 SO-DIMM compute module with octa-core A72+A53, 6 TOPS NPU, Mali G52 GPU, up to 8GB LPDDR4X, 64GB eMMC, triple display output (HDMI 2.1 + eDP + MIPI DSI), triple camera input, dual Gigabit Ethernet, PCIe 2.1, and 260-pin connector. Module-only for custom carrier board integration.

[Details](https://openhardware.directory/devices/waveshare-luckfox-core3576-module) | [Markdown](https://openhardware.directory/devices/waveshare-luckfox-core3576-module/md)

## VisionFive2 Lite

Compact RISC-V SBC with StarFive JH7110S quad-core 64-bit processor @ 1.25GHz, up to 8GB LPDDR4, onboard WiFi 6 and Bluetooth 5.4, Gigabit Ethernet, HDMI 2.0, M.2 NVMe slot, MIPI CSI camera, 40-pin GPIO, and USB 3.0. Supports Debian, Fedora, OpenWrt, and other Linux distributions.

[Details](https://openhardware.directory/devices/waveshare-visionfive2-lite) | [Markdown](https://openhardware.directory/devices/waveshare-visionfive2-lite/md)

## Arduino Nano Matter

Ultra-compact Matter/Thread/BLE development board based on Silicon Labs MGM240S, bringing official Matter support to the beloved Arduino Nano form factor at 45×18mm.

[Details](https://openhardware.directory/devices/arduino-nano-matter) | [Markdown](https://openhardware.directory/devices/arduino-nano-matter/md)

## Olimex ESP32-C6-EVB

Open-source hardware evaluation board with ESP32-C6, 4 mains-rated relays, 4 opto-isolated inputs, and WiFi 6/Thread/Zigbee/Matter connectivity for home and industrial automation.

[Details](https://openhardware.directory/devices/olimex-esp32-c6-evb) | [Markdown](https://openhardware.directory/devices/olimex-esp32-c6-evb/md)

## SparkFun Thing Plus Matter - MGM240P

Feather-compatible Matter/Thread/Zigbee/BLE dev board based on Silicon Labs MGM240P with Qwiic, LiPo charging, microSD, and +20dBm radio range.

[Details](https://openhardware.directory/devices/sparkfun-thing-plus-matter-mgm240p) | [Markdown](https://openhardware.directory/devices/sparkfun-thing-plus-matter-mgm240p/md)

## Olimex ESP32-C6-DevKit-Lipo

Breadboard-friendly open-source ESP32-C6 dev board with WiFi 6, Thread, Zigbee, BLE 5, built-in LiPo charger, and dual USB-C — all for under €9.

[Details](https://openhardware.directory/devices/olimex-esp32-c6-devkit-lipo) | [Markdown](https://openhardware.directory/devices/olimex-esp32-c6-devkit-lipo/md)

## Olimex ESP32-H2-DevKit-LiPo

Ultra-affordable open-source ESP32-H2 dev board for Thread, Zigbee, and Matter — BLE 5, LiPo charging, Qwiic/Stemma, dual USB-C, for €5.95.

[Details](https://openhardware.directory/devices/olimex-esp32-h2-devkit-lipo) | [Markdown](https://openhardware.directory/devices/olimex-esp32-h2-devkit-lipo/md)

## DFRobot FireBeetle 2 ESP32-C6

Low-cost ESP32-C6 IoT board with WiFi 6, BLE 5, Thread, Zigbee, Matter, solar panel charging with MPPT, and ultra-low 16µA deep sleep — for $5.90.

[Details](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-c6) | [Markdown](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-c6/md)

## DFRobot Beetle ESP32-C6

Coin-sized (25×20.5mm) ESP32-C6 wearable dev board with WiFi 6, BLE 5, Thread, Zigbee, Matter, integrated LiPo charger, and 14µA deep sleep — for $4.90.

[Details](https://openhardware.directory/devices/dfrobot-beetle-esp32-c6) | [Markdown](https://openhardware.directory/devices/dfrobot-beetle-esp32-c6/md)

## Seeed Studio XIAO ESP32C6

Thumb-sized (21×17.8mm) Matter/Thread/Zigbee/WiFi 6/BLE 5.3 dev board with dual RISC-V cores, onboard antenna, 15µA deep sleep, and hardware security — for ~$5.

[Details](https://openhardware.directory/devices/seeed-xiao-esp32c6) | [Markdown](https://openhardware.directory/devices/seeed-xiao-esp32c6/md)

## Adafruit ESP32-C6 Feather

Open-source Feather-form-factor ESP32-C6 board with WiFi 6, BLE 5, Thread, Zigbee, STEMMA QT, NeoPixel, LiPo charging with MAX17048, and CircuitPython support — $14.95.

[Details](https://openhardware.directory/devices/adafruit-esp32-c6-feather) | [Markdown](https://openhardware.directory/devices/adafruit-esp32-c6-feather/md)

## M5Stack NanoH2

Ultra-compact ESP32-H2 dev module with Thread 1.4, Zigbee 3.0, Matter, and BLE 5 — featuring a Grove port, IR transmitter, and RGB LED in a stamp-sized 23.5×12mm form factor.

[Details](https://openhardware.directory/devices/m5stack-nanoh2) | [Markdown](https://openhardware.directory/devices/m5stack-nanoh2/md)

## Espressif ESP Thread Border Router

Official Espressif dual-SoC development board combining ESP32-S3 (host) and ESP32-H2 (radio co-processor) to build Thread 1.3 border routers and Zigbee gateways with Matter support over WiFi.

[Details](https://openhardware.directory/devices/espressif-esp-thread-border-router) | [Markdown](https://openhardware.directory/devices/espressif-esp-thread-border-router/md)

## Espressif ESP32-C6-DevKitC-1

Official Espressif development board for the ESP32-C6, combining WiFi 6, BLE 5, and IEEE 802.15.4 (Thread/Zigbee/Matter) on a RISC-V single-core SoC — ideal for Matter-native IoT and smart home development.

[Details](https://openhardware.directory/devices/espressif-esp32-c6-devkitc-1) | [Markdown](https://openhardware.directory/devices/espressif-esp32-c6-devkitc-1/md)

## FriendlyElec NanoPC-T6 LTS

Rockchip RK3588 SBC with dual 2.5GbE, dual HDMI output + HDMI input, M.2 NVMe, and a 40-pin GPIO header — the long-term-support variant of FriendlyElec's flagship single-board computer.

[Details](https://openhardware.directory/devices/friendlyelec-nanopc-t6-lts) | [Markdown](https://openhardware.directory/devices/friendlyelec-nanopc-t6-lts/md)

## FriendlyElec NanoPi M6

Compact 62×90mm RK3588S SBC with up to 32GB LPDDR5, M.2 NVMe, 8K HDMI, and USB-C PD — a versatile Linux developer board for AI, media, and embedded applications.

[Details](https://openhardware.directory/devices/friendlyelec-nanopi-m6) | [Markdown](https://openhardware.directory/devices/friendlyelec-nanopi-m6/md)

## Khadas VIM4

Amlogic A311D2 SBC with 8GB LPDDR4X, WiFi 6, HDMI 2.1 output + input, 3.2 TOPS NPU, and a 40-pin GPIO header — Khadas's flagship single-board computer for AI, media, and smart home applications.

[Details](https://openhardware.directory/devices/khadas-vim4) | [Markdown](https://openhardware.directory/devices/khadas-vim4/md)

## Radxa ROCK 5B+

RK3588 Pico-ITX SBC with up to 32GB LPDDR5, dual M.2 NVMe, WiFi 6, 2.5GbE PoE, four independent display outputs, and optional 4G/5G via SIM card slot — the upgraded Rock 5B for demanding edge and NAS deployments.

[Details](https://openhardware.directory/devices/radxa-rock-5b-plus) | [Markdown](https://openhardware.directory/devices/radxa-rock-5b-plus/md)

## FriendlyElec NanoPi M5

Compact 90×62mm RK3576 SBC with up to 16GB LPDDR5, dual Gigabit Ethernet, UFS 2.0 storage, M.2 NVMe, 6 TOPS NPU, and USB-C PD — FriendlyElec's octa-core edge AI developer board.

[Details](https://openhardware.directory/devices/friendlyelec-nanopi-m5) | [Markdown](https://openhardware.directory/devices/friendlyelec-nanopi-m5/md)

## FriendlyElec NanoPi R3S LTS

Compact 57×57mm dual-GbE router board with RK3566 quad-core Cortex-A55, up to 2GB RAM, 32GB eMMC, HDMI, and USB-C power — the long-term-support mini network appliance from FriendlyElec.

[Details](https://openhardware.directory/devices/friendlyelec-nanopi-r3s-lts) | [Markdown](https://openhardware.directory/devices/friendlyelec-nanopi-r3s-lts/md)

## FriendlyElec NanoPi R76S

Ultra-compact 58×58mm dual 2.5GbE router board with RK3576 octa-core, up to 4GB LPDDR4X, 32GB eMMC, and USB-C 5V power — a high-throughput mini network appliance for home lab and edge networking.

[Details](https://openhardware.directory/devices/friendlyelec-nanopi-r76s) | [Markdown](https://openhardware.directory/devices/friendlyelec-nanopi-r76s/md)

## Khadas Edge 2

Ultra-thin 82×57.5×5.7mm RK3588S SBC with WiFi 6, Bluetooth 5.0, USB-C DisplayPort, four independent display outputs, and a 6 TOPS NPU — the thinnest RK3588S single-board computer available.

[Details](https://openhardware.directory/devices/khadas-edge-2) | [Markdown](https://openhardware.directory/devices/khadas-edge-2/md)

## Muse Pi Pro

Raspberry Pi-sized RISC-V SBC with SpacemiT K1 octa-core @ 1.8GHz, 2 TOPS NPU, WiFi 6, Gigabit Ethernet, M.2 NVMe, mPCIe for 4G/5G, and a 40-pin GPIO header — a full-featured RISC-V Linux developer board.

[Details](https://openhardware.directory/devices/muse-pi-pro) | [Markdown](https://openhardware.directory/devices/muse-pi-pro/md)

## Inovato Quadra

$29 Allwinner H6 mini PC running Armbian with 2GB RAM, 16GB eMMC, HDMI 2.0, WiFi 4, USB 3.0, and a fanless aluminum enclosure — the most affordable ARM Linux computer with Armbian Platinum support.

[Details](https://openhardware.directory/devices/inovato-quadra) | [Markdown](https://openhardware.directory/devices/inovato-quadra/md)

## Radxa ROCK 5C

86×56mm RK3588S2 SBC with up to 32GB LPDDR4x, WiFi 6, BT 5.4, GbE with PoE, 8K HDMI 2.1, 40-pin GPIO, Raspberry Pi PCIe FFC connector, and a price starting at $57 — Radxa's compact flagship for the RPi form factor.

[Details](https://openhardware.directory/devices/radxa-rock-5c) | [Markdown](https://openhardware.directory/devices/radxa-rock-5c/md)

## Radxa ROCK 5T

110×80mm RK3588 SBC with dual 2.5GbE, dual M.2 NVMe, WiFi 6, four independent display outputs, HDMI input, 4G/5G SIM slot, and up to 32GB LPDDR5 — the ROCK 5 ITX feature set in a standard SBC footprint.

[Details](https://openhardware.directory/devices/radxa-rock-5t) | [Markdown](https://openhardware.directory/devices/radxa-rock-5t/md)

## Mekotronics R58-4X4

RK3588 Arm PC with 4×HDMI inputs (4K@60Hz each), 1×HDMI 2.1 output (8K@60Hz), WiFi 6, GbE, M.2 NVMe, 4G LTE support, and up to 16GB RAM — a dedicated multi-source HDMI capture and digital signage computer.

[Details](https://openhardware.directory/devices/mekotronics-r58-4x4) | [Markdown](https://openhardware.directory/devices/mekotronics-r58-4x4/md)

## Mekotronics R58-HD

Triple RK3588 multi-display SBC with 6 HDMI outputs for video walls and digital signage, running Armbian Linux.

[Details](https://openhardware.directory/devices/mekotronics-r58-hd) | [Markdown](https://openhardware.directory/devices/mekotronics-r58-hd/md)

## Orange Pi 5

The Orange Pi 5 is a high-performance single-board computer powered by the Rockchip RK3588S octa-core SoC, offering up to 16GB LPDDR4X RAM with USB 3.0, PCIe M.2, and 4K video output — ideal for demanding embedded Linux applications.

[Details](https://openhardware.directory/devices/orange-pi-5) | [Markdown](https://openhardware.directory/devices/orange-pi-5/md)

## Orange Pi 5 Plus

The Orange Pi 5 Plus is an expanded version of the Orange Pi 5, featuring the full Rockchip RK3588 SoC with up to 32GB LPDDR4X RAM, dual Gigabit Ethernet, Wi-Fi 6, an M.2 NVMe slot, and two HDMI ports — designed for high-end desktop and server workloads.

[Details](https://openhardware.directory/devices/orange-pi-5-plus) | [Markdown](https://openhardware.directory/devices/orange-pi-5-plus/md)

## Orange Pi 4 LTS

The Orange Pi 4 LTS is a capable single-board computer based on the Rockchip RK3399 hexa-core SoC, featuring 4GB LPDDR4 RAM, 16GB eMMC, integrated Wi-Fi and Bluetooth, and Gigabit Ethernet — a solid long-term support platform for Linux development.

[Details](https://openhardware.directory/devices/orange-pi-4-lts) | [Markdown](https://openhardware.directory/devices/orange-pi-4-lts/md)

## Orange Pi One

The Orange Pi One is a compact and affordable single-board computer powered by the Allwinner H3 quad-core Cortex-A7 SoC with 512MB DDR3 RAM, offering 100Mbps Ethernet and a full Linux experience at an entry-level price point.

[Details](https://openhardware.directory/devices/orange-pi-one) | [Markdown](https://openhardware.directory/devices/orange-pi-one/md)

## Orange Pi PC 2

The Orange Pi PC 2 is a 64-bit single-board computer based on the Allwinner H5 quad-core Cortex-A53 SoC with 1GB DDR3 RAM and Gigabit Ethernet, offering a cost-effective ARM64 Linux platform for makers and hobbyists.

[Details](https://openhardware.directory/devices/orange-pi-pc-2) | [Markdown](https://openhardware.directory/devices/orange-pi-pc-2/md)

## Khadas VIM1

Compact single-board computer powered by the Amlogic S905X quad-core SoC with 2GB DDR4 RAM, Wi-Fi, Bluetooth, and Gigabit Ethernet — supported by Armbian.

[Details](https://openhardware.directory/devices/khadas-vim1) | [Markdown](https://openhardware.directory/devices/khadas-vim1/md)

## Khadas VIM2

Powerful single-board computer with the Amlogic S912 octa-core SoC, 3GB DDR4 RAM, dual-band Wi-Fi ac, Bluetooth 5.0, and Gigabit Ethernet — supported by Armbian.

[Details](https://openhardware.directory/devices/khadas-vim2) | [Markdown](https://openhardware.directory/devices/khadas-vim2/md)

## ODROID N2+

The ODROID N2+ is a powerful single-board computer from Hardkernel featuring the Amlogic S922X hexa-core SoC, 4GB DDR4 RAM, and Gigabit Ethernet. It excels as a media center, home automation hub, or general-purpose desktop replacement.

[Details](https://openhardware.directory/devices/odroid-n2-plus) | [Markdown](https://openhardware.directory/devices/odroid-n2-plus/md)

## Khadas VIM3

High-performance single-board computer with the Amlogic A311D hexa-core SoC, up to 4GB DDR4 RAM, 5 TOPS NPU for AI inference, Wi-Fi 5, and USB-C PD — supported by Armbian.

[Details](https://openhardware.directory/devices/khadas-vim3) | [Markdown](https://openhardware.directory/devices/khadas-vim3/md)

## ODROID C4

The ODROID C4 is a capable single-board computer from Hardkernel powered by the Amlogic S905X3 quad-core Cortex-A55 SoC with 4GB DDR4 RAM. It offers USB 3.0, Gigabit Ethernet, and eMMC support at an affordable price point.

[Details](https://openhardware.directory/devices/odroid-c4) | [Markdown](https://openhardware.directory/devices/odroid-c4/md)

## Khadas VIM3L

Affordable single-board computer with the Amlogic S905D3 quad-core SoC, up to 4GB DDR4 RAM, Wi-Fi 5, Gigabit Ethernet, and USB-C PD power — supported by Armbian.

[Details](https://openhardware.directory/devices/khadas-vim3l) | [Markdown](https://openhardware.directory/devices/khadas-vim3l/md)

## Khadas VIM1S

Compact single-board computer with the Amlogic S905Y4 quad-core SoC, 4GB LPDDR4, 32GB eMMC, Wi-Fi 5, Bluetooth 5.1, and 100Mbps Ethernet — supported by Armbian.

[Details](https://openhardware.directory/devices/khadas-vim1s) | [Markdown](https://openhardware.directory/devices/khadas-vim1s/md)

## ODROID HC4

The ODROID HC4 is a NAS-focused single-board computer from Hardkernel with the Amlogic S905X3 SoC, 4GB DDR4 RAM, and two direct-connect SATA ports for dual-drive storage. It is purpose-built for home NAS and media server applications.

[Details](https://openhardware.directory/devices/odroid-hc4) | [Markdown](https://openhardware.directory/devices/odroid-hc4/md)

## ODROID M1

The ODROID M1 is a maker-focused single-board computer from Hardkernel powered by the Rockchip RK3568 quad-core SoC with up to 8GB LPDDR4 RAM and M.2 NVMe support. It combines industrial-grade features with broad Armbian Linux support.

[Details](https://openhardware.directory/devices/odroid-m1) | [Markdown](https://openhardware.directory/devices/odroid-m1/md)

## ODROID M2

The ODROID M2 is Hardkernel's high-performance SBC featuring the Rockchip RK3588S octa-core SoC with up to 16GB LPDDR4X RAM, 2.5GbE networking, and M.2 NVMe storage. It targets demanding workloads including desktop computing, AI inference, and high-throughput network storage.

[Details](https://openhardware.directory/devices/odroid-m2) | [Markdown](https://openhardware.directory/devices/odroid-m2/md)

## ODROID C2

The ODROID C2 is a 64-bit single-board computer from Hardkernel featuring the Amlogic S905 quad-core Cortex-A53 SoC with 2GB DDR3 RAM and Gigabit Ethernet. It was one of the first affordable 64-bit ARM SBCs and remains supported by Armbian.

[Details](https://openhardware.directory/devices/odroid-c2) | [Markdown](https://openhardware.directory/devices/odroid-c2/md)

## Radxa Rock 5B

High-performance Rockchip RK3588 SBC from Radxa with up to 32GB LPDDR4X, NVMe M.2, WiFi 6, 2.5GbE, and USB-C PD power — a flagship Linux board in the Raspberry Pi 4 form factor.

[Details](https://openhardware.directory/devices/radxa-rock-5b) | [Markdown](https://openhardware.directory/devices/radxa-rock-5b/md)

## Banana Pi M5

Banana Pi M5 is a quad-core SBC powered by the Amlogic S905X3 SoC with 4GB LPDDR4 RAM, 16GB eMMC, four USB 3.0 ports, and Gigabit Ethernet, running Armbian Linux.

[Details](https://openhardware.directory/devices/bananapi-m5) | [Markdown](https://openhardware.directory/devices/bananapi-m5/md)

## Radxa Rock 5 ITX

Mini-ITX single-board computer powered by Rockchip RK3588 with 16GB LPDDR4X, dual NVMe slots, dual 2.5GbE, PCIe x4, ATX power, and WiFi 6 — a true desktop motherboard replacement.

[Details](https://openhardware.directory/devices/radxa-rock-5-itx) | [Markdown](https://openhardware.directory/devices/radxa-rock-5-itx/md)

## Radxa Rock 4D

Mid-range Rockchip RK3576 SBC from Radxa with up to 8GB LPDDR4X, NVMe M.2, WiFi 6, Gigabit Ethernet, and USB 3.0 — a capable Linux board in a compact footprint.

[Details](https://openhardware.directory/devices/radxa-rock-4d) | [Markdown](https://openhardware.directory/devices/radxa-rock-4d/md)

## Banana Pi M7

Banana Pi M7 is a high-performance SBC powered by the Rockchip RK3588 octa-core SoC with up to 32GB LPDDR4X, NVMe SSD support, WiFi 6, dual 2.5GbE, and USB-C PD power.

[Details](https://openhardware.directory/devices/bananapi-m7) | [Markdown](https://openhardware.directory/devices/bananapi-m7/md)

## Radxa Rock 3A

Affordable Rockchip RK3568 quad-core SBC from Radxa with up to 8GB LPDDR4, eMMC, microSD, Gigabit Ethernet, USB 3.0, PCIe, and M.2 expansion — no built-in WiFi, powered via USB-C or 12V DC.

[Details](https://openhardware.directory/devices/radxa-rock-3a) | [Markdown](https://openhardware.directory/devices/radxa-rock-3a/md)

## TQ-Systems MBa8MP-RAS314

Industrial carrier board for TQ-Systems TQMa8MPxL SOM, featuring NXP i.MX 8M Plus with quad-core Cortex-A53 + Cortex-M7, up to 4GB LPDDR4, 16GB eMMC, Gigabit Ethernet, WiFi 5, USB 3.0, and 12V DC input for industrial Linux applications.

[Details](https://openhardware.directory/devices/mba8mp-ras314) | [Markdown](https://openhardware.directory/devices/mba8mp-ras314/md)

## Banana Pi M2S

Banana Pi M2S is a hexa-core SBC powered by the Amlogic S922X SoC with 4GB DDR4, 16GB eMMC, WiFi 5, Bluetooth 5.0, four USB 3.0 ports, and Gigabit Ethernet.

[Details](https://openhardware.directory/devices/bananapi-m2s) | [Markdown](https://openhardware.directory/devices/bananapi-m2s/md)

## TQ-Systems MBa8MPxL

Full-featured industrial carrier board for TQ-Systems TQMa8MPxL SOM with NXP i.MX 8M Plus, 4GB LPDDR4, 16GB eMMC, PCIe, SATA, dual Gigabit Ethernet, and 12V DC supply, designed for demanding industrial Linux deployments.

[Details](https://openhardware.directory/devices/mba8mpxl) | [Markdown](https://openhardware.directory/devices/mba8mpxl/md)

## Radxa Zero 3W

Credit-card sized Rockchip RK3566 SBC with up to 4GB LPDDR4, eMMC, microSD, WiFi 5, Bluetooth 5.0, and USB-C OTG — a compact headless Linux board with no Ethernet port.

[Details](https://openhardware.directory/devices/radxa-zero-3) | [Markdown](https://openhardware.directory/devices/radxa-zero-3/md)

## Banana Pi M2 Pro

Banana Pi M2 Pro is a compact SBC powered by the Amlogic S905X3 with 2GB DDR4, 16GB eMMC, WiFi 5, Bluetooth 5.0, three USB 3.0 ports, and USB-C power input.

[Details](https://openhardware.directory/devices/bananapi-m2-pro) | [Markdown](https://openhardware.directory/devices/bananapi-m2-pro/md)

## NanoPi R6S

FriendlyElec NanoPi R6S — compact RK3588S router SBC with triple Ethernet ports (2× 2.5GbE + 1× GbE), 4GB/8GB LPDDR4X RAM, and 32GB eMMC for high-performance network routing and edge computing.

[Details](https://openhardware.directory/devices/friendlyelec-nanopi-r6s) | [Markdown](https://openhardware.directory/devices/friendlyelec-nanopi-r6s/md)

## MKS KLIPAD50

MKS/Makerbase 5-inch Klipper touchscreen panel based on Rockchip RK3328, with 800×480 IPS display, 1GB RAM, 8GB eMMC, WiFi, and USB-C power — purpose-built for 3D printer Klipper control interfaces.

[Details](https://openhardware.directory/devices/mks-klipad50) | [Markdown](https://openhardware.directory/devices/mks-klipad50/md)

## Radxa Rock S0

Tiny Rockchip RK3308B SBC with up to 512MB DDR3, 8GB eMMC, microSD, WiFi 4, Bluetooth 5.0, and USB-C OTG — a postage-stamp Linux board for IoT and audio applications.

[Details](https://openhardware.directory/devices/radxa-rock-s0) | [Markdown](https://openhardware.directory/devices/radxa-rock-s0/md)

## Banana Pi CM4 IO

Banana Pi CM4 IO is an SBC carrier board for the BPI-CM4 compute module, featuring RK3566, 4GB LPDDR4, 32GB eMMC, WiFi 5, PCIe, HDMI, and Gigabit Ethernet.

[Details](https://openhardware.directory/devices/bananapi-cm4-io) | [Markdown](https://openhardware.directory/devices/bananapi-cm4-io/md)

## PhytiumPi

Chinese Linux SBC by Phytium Technology featuring the domestic E2000Q quad-core Cortex-A55 compatible processor, up to 8GB DDR4, 32GB eMMC, Gigabit Ethernet, USB 3.0, and 12V DC, running Armbian for embedded Linux development.

[Details](https://openhardware.directory/devices/phytiumpi) | [Markdown](https://openhardware.directory/devices/phytiumpi/md)

## NanoPi R4S

FriendlyElec NanoPi R4S — RK3399-powered dual-Gigabit Ethernet router SBC with up to 4GB LPDDR4 RAM, 16GB eMMC, and microSD, popular for OpenWRT and home network gateway builds.

[Details](https://openhardware.directory/devices/friendlyelec-nanopi-r4s) | [Markdown](https://openhardware.directory/devices/friendlyelec-nanopi-r4s/md)

## Radxa E25

Fanless Rockchip RK3568J gateway and router board with dual 2.5GbE, 4x USB 3.0, mini-PCIe with SIM slot, M.2 NVMe, and 2GB/4GB LPDDR4 — designed for networking and industrial IoT.

[Details](https://openhardware.directory/devices/radxa-e25) | [Markdown](https://openhardware.directory/devices/radxa-e25/md)

## Banana Pi F3

Banana Pi F3 is a RISC-V single-board computer powered by the SpacemiT K1 octa-core SoC with 4GB/8GB LPDDR4X, 16GB/32GB eMMC, WiFi 6, Bluetooth 5.2, and Gigabit Ethernet.

[Details](https://openhardware.directory/devices/bananapi-f3) | [Markdown](https://openhardware.directory/devices/bananapi-f3/md)

## NanoPi M4 V2

FriendlyElec NanoPi M4 V2 — RK3399 SBC with 4GB LPDDR4, 4× USB 3.0, M.2 expansion slot, eMMC module support, and 40-pin GPIO for demanding Linux desktop and NAS builds.

[Details](https://openhardware.directory/devices/friendlyelec-nanopi-m4-v2) | [Markdown](https://openhardware.directory/devices/friendlyelec-nanopi-m4-v2/md)

## TI SK-AM62-LP Starter Kit

Texas Instruments AM62x Sitara low-power evaluation board with quad-core Cortex-A53, 1GB LPDDR4, microSD, 100Mbps Ethernet, USB-C, and 5V USB-C power — the LP variant optimized for ultra-low-power HMI and IoT designs.

[Details](https://openhardware.directory/devices/ti-sk-am62-lp) | [Markdown](https://openhardware.directory/devices/ti-sk-am62-lp/md)

## Radxa E52C

Compact Rockchip RK3582 router and gateway board with 4GB/8GB LPDDR4X, dual 2.5GbE, mini-PCIe with SIM slot, USB 3.0, and eMMC — ideal for network appliances and edge computing.

[Details](https://openhardware.directory/devices/radxa-e52c) | [Markdown](https://openhardware.directory/devices/radxa-e52c/md)

## Banana Pi M2+

Banana Pi M2+ is a compact SBC powered by the Allwinner H3 quad-core SoC with 1GB DDR3, 8GB eMMC, 802.11n WiFi, Bluetooth 4.0, four USB 2.0 ports, and micro-USB power.

[Details](https://openhardware.directory/devices/bananapi-m2-plus) | [Markdown](https://openhardware.directory/devices/bananapi-m2-plus/md)

## NanoPi K2

FriendlyElec NanoPi K2 — Amlogic S905 SBC with 2GB DDR3, WiFi 802.11n, Bluetooth 4.0, 4× USB 2.0, Gigabit Ethernet, and HDMI for media and IoT Linux projects.

[Details](https://openhardware.directory/devices/friendlyelec-nanopi-k2) | [Markdown](https://openhardware.directory/devices/friendlyelec-nanopi-k2/md)

## TI SK-AM62-SIP Starter Kit

Texas Instruments AM62x Sitara SiP ultra-compact evaluation board with 512MB LPDDR4 integrated in-package, microSD, 100Mbps Ethernet, USB-C, and 5V power — the smallest AM62 evaluation platform for space-constrained IoT designs.

[Details](https://openhardware.directory/devices/ti-sk-am62-sip) | [Markdown](https://openhardware.directory/devices/ti-sk-am62-sip/md)

## Radxa E54C

High-performance Rockchip RK3588S edge gateway with 8GB LPDDR4X, 4x Gigabit Ethernet ports (RTL8367RB switch), PCIe expansion, USB 3.0, HDMI, and 12V DC power — built for demanding network and edge AI workloads.

[Details](https://openhardware.directory/devices/radxa-e54c) | [Markdown](https://openhardware.directory/devices/radxa-e54c/md)

## BeagleBone AI-64

Open-source SBC powered by the TI TDA4VM automotive AI SoC with 8 TOPS neural accelerator, 4GB LPDDR4, and Gigabit Ethernet, designed for robotics and edge AI development.

[Details](https://openhardware.directory/devices/beaglebone-ai64) | [Markdown](https://openhardware.directory/devices/beaglebone-ai64/md)

## TI SK-AM62B

Texas Instruments SK-AM62B Starter Kit — dual-core Cortex-A53 Sitara developer evaluation board for industrial HMI and IoT applications, running Armbian Linux.

[Details](https://openhardware.directory/devices/ti-sk-am62b) | [Markdown](https://openhardware.directory/devices/ti-sk-am62b/md)

## TI SK-AM62P-LP Starter Kit

Texas Instruments AM62P Sitara vision-enabled evaluation board with quad-core Cortex-A53 @ 1.4GHz, vision DSP, 4GB LPDDR4, dual Gigabit Ethernet, M.2 WiFi, microSD, and 5V USB-C power for machine vision and industrial HMI applications.

[Details](https://openhardware.directory/devices/ti-sk-am62p-lp) | [Markdown](https://openhardware.directory/devices/ti-sk-am62p-lp/md)

## Banana Pi M4 Zero

Banana Pi M4 Zero is a compact Zero-form-factor SBC powered by the Rockchip RK3528 quad-core SoC with up to 4GB DDR4, 16GB eMMC, WiFi 5, Bluetooth 5.0, and USB-C power.

[Details](https://openhardware.directory/devices/bananapi-m4-zero) | [Markdown](https://openhardware.directory/devices/bananapi-m4-zero/md)

## Le Potato

Libre Computer Le Potato — Amlogic S905X SBC with 2GB DDR4, 4K HDMI output, and Raspberry Pi-compatible 85.6×56.5mm form factor, supported by mainline Linux, Armbian, and Raspbian-compatible images.

[Details](https://openhardware.directory/devices/libre-computer-le-potato) | [Markdown](https://openhardware.directory/devices/libre-computer-le-potato/md)

## Radxa Rockpi E

Compact Rockchip RK3328 SBC with up to 4GB DDR4, eMMC, microSD, Gigabit + Fast Ethernet, USB 3.0, optional WiFi/BT, and USB-C power — a versatile small Linux board for networking and IoT.

[Details](https://openhardware.directory/devices/radxa-rockpi-e) | [Markdown](https://openhardware.directory/devices/radxa-rockpi-e/md)

## BeaglePlay

Versatile open-source SBC by BeagleBoard.org featuring the TI AM625 SoC, 2GB LPDDR4, 16GB eMMC, WiFi 5, Bluetooth 5.0, 802.15.4 sub-GHz radio, and Gigabit Ethernet for IoT and home automation.

[Details](https://openhardware.directory/devices/beagleplay) | [Markdown](https://openhardware.directory/devices/beagleplay/md)

## TI SK-AM64B

Texas Instruments SK-AM64B Starter Kit — dual Cortex-A53 + quad Cortex-R5F industrial evaluation board for automation, motor control, and time-sensitive networking.

[Details](https://openhardware.directory/devices/ti-sk-am64b) | [Markdown](https://openhardware.directory/devices/ti-sk-am64b/md)

## TI TMDS62LEVM

Texas Instruments AM62L display evaluation module with dual Cortex-A53 @ 1.25GHz, 2GB LPDDR4, 32GB eMMC, dual Gigabit Ethernet, DSI + HDMI display outputs, WiFi/BT M.2, and USB-C — purpose-built for evaluating AM62L display subsystem integration.

[Details](https://openhardware.directory/devices/ti-tmds62levm) | [Markdown](https://openhardware.directory/devices/ti-tmds62levm/md)

## Radxa Rockpi S

Tiny Rockchip RK3308 quad-core SBC with up to 512MB DDR3, 8GB eMMC, microSD, 100Mbps Ethernet, USB 2.0, optional WiFi/BT, and USB-C — a miniature Linux board for audio and IoT projects.

[Details](https://openhardware.directory/devices/radxa-rockpi-s) | [Markdown](https://openhardware.directory/devices/radxa-rockpi-s/md)

## Sweet Potato

Libre Computer Sweet Potato — Amlogic S905X3 SBC with up to 4GB DDR4, 32GB eMMC, 4× USB 3.0, USB-C power, and 4K HDR output — a powerful upgrade over the Le Potato.

[Details](https://openhardware.directory/devices/libre-computer-sweet-potato) | [Markdown](https://openhardware.directory/devices/libre-computer-sweet-potato/md)

## BeagleY-AI

Raspberry Pi HAT-compatible edge AI SBC by BeagleBoard.org, powered by the TI AM67A SoC with 4 TOPS neural accelerator, 4GB LPDDR4, 16GB eMMC, WiFi, and Gigabit Ethernet.

[Details](https://openhardware.directory/devices/beagley-ai) | [Markdown](https://openhardware.directory/devices/beagley-ai/md)

## TI SK-AM68

Texas Instruments SK-AM68 Starter Kit — quad-core Cortex-A72 evaluation board with 8GB LPDDR4 and 4 TOPS vision processing for industrial machine vision and edge AI.

[Details](https://openhardware.directory/devices/ti-sk-am68) | [Markdown](https://openhardware.directory/devices/ti-sk-am68/md)

## PocketBeagle 2

Ultra-compact open-source Linux SBC by BeagleBoard.org, powered by the TI AM625 SoC with 512MB LPDDR4, USB-C OTG, and microSD — designed for deeply embedded projects where minimal size matters.

[Details](https://openhardware.directory/devices/pocketbeagle-2) | [Markdown](https://openhardware.directory/devices/pocketbeagle-2/md)

## La Frite

Libre Computer La Frite — ultra-compact Amlogic S805X SBC with 512MB/1GB DDR4, 8GB eMMC, and 5V micro-USB power in a credit-card form factor for lightweight Linux and IoT applications.

[Details](https://openhardware.directory/devices/libre-computer-la-frite) | [Markdown](https://openhardware.directory/devices/libre-computer-la-frite/md)

## TI SK-AM69

Texas Instruments SK-AM69 Starter Kit — octa-core Cortex-A72 evaluation board with 32GB LPDDR4 and 64 TOPS AI accelerator for high-performance edge AI and autonomous systems.

[Details](https://openhardware.directory/devices/ti-sk-am69) | [Markdown](https://openhardware.directory/devices/ti-sk-am69/md)

## Renegade

Libre Computer Renegade — Rockchip RK3328 SBC with up to 4GB DDR4, 32GB eMMC, USB 3.0, USB-C power, and 4K HDR output, offering strong mainline Linux support at an affordable price.

[Details](https://openhardware.directory/devices/libre-computer-renegade) | [Markdown](https://openhardware.directory/devices/libre-computer-renegade/md)

## TI SK-TDA4VM

Texas Instruments SK-TDA4VM Starter Kit — automotive ADAS evaluation board with dual Cortex-A72, six Cortex-R5F real-time cores, and 8 TOPS MMA accelerator for autonomous driving prototyping.

[Details](https://openhardware.directory/devices/ti-sk-tda4vm) | [Markdown](https://openhardware.directory/devices/ti-sk-tda4vm/md)

## BIGTREETECH CB1 V2.2

Compact Linux compute module by BIGTREETECH, powered by the Allwinner H616 SoC with 1GB DDR3, 100M WiFi + 100M Ethernet, and microSD — designed as a drop-in Raspberry Pi CM4 replacement for 3D printer boards running Klipper.

[Details](https://openhardware.directory/devices/bigtreetech-cb1) | [Markdown](https://openhardware.directory/devices/bigtreetech-cb1/md)

## ODROID-C1

Hardkernel ODROID-C1 — affordable quad-core Cortex-A5 SBC with 1GB DDR3, Fast Ethernet, and four USB 2.0 ports, one of the earliest Raspberry Pi competitors running Armbian.

[Details](https://openhardware.directory/devices/odroid-c1) | [Markdown](https://openhardware.directory/devices/odroid-c1/md)

## Rock 2A

Radxa Rock 2A — Rockchip RK3528A SBC with up to 4GB LPDDR4X, 32GB eMMC, WiFi 5, Bluetooth 5.0, Gigabit Ethernet, and USB-C power in a compact, affordable form factor.

[Details](https://openhardware.directory/devices/radxa-rock-2a) | [Markdown](https://openhardware.directory/devices/radxa-rock-2a/md)

## Tinker Board / S

Raspberry Pi form factor SBC by ASUS featuring the Rockchip RK3288 SoC, 2GB LPDDR3, WiFi 802.11n+Bluetooth 4.0, Gigabit Ethernet, and 4× USB 2.0. The S model adds 16GB eMMC.

[Details](https://openhardware.directory/devices/tinkerboard) | [Markdown](https://openhardware.directory/devices/tinkerboard/md)

## Rock 2F

Radxa Rock 2F — ultra-compact Rockchip RK3528A SBC with 512MB/1GB/2GB DDR4, WiFi 4, Bluetooth 5.0, and 5V USB-C — the smallest and most affordable board in the Rock 2 family, with no built-in Ethernet.

[Details](https://openhardware.directory/devices/radxa-rock-2f) | [Markdown](https://openhardware.directory/devices/radxa-rock-2f/md)

## Pine64 / LTS

Affordable 64-bit Linux SBC by Pine64, powered by the Allwinner A64 SoC with up to 2GB LPDDR3, Gigabit Ethernet, 2× USB 2.0, and microSD — available in standard and Long-Term Support variants.

[Details](https://openhardware.directory/devices/pine64) | [Markdown](https://openhardware.directory/devices/pine64/md)

## Xiaomi Pad 5 Pro

Xiaomi Pad 5 Pro Android tablet (Snapdragon 870, 6GB/8GB LPDDR5, WiFi 6) running mainline Armbian Linux via community port — a high-resolution tablet repurposed as a Linux device.

[Details](https://openhardware.directory/devices/xiaomi-pad-5-pro) | [Markdown](https://openhardware.directory/devices/xiaomi-pad-5-pro/md)

## Clearfog PRO

Industrial-grade network computing SBC by SolidRun, powered by the Marvell Armada 388 SoC, 1GB DDR3, 4GB eMMC, dual Gigabit Ethernet + SFP, mPCIe, SATA, and 12V DC power for router and NAS applications.

[Details](https://openhardware.directory/devices/clearfog-pro) | [Markdown](https://openhardware.directory/devices/clearfog-pro/md)

## Libre Computer Tritium H3

Libre Computer Tritium H3 — Allwinner H3 quad-core SBC with 1GB DDR3, 8GB eMMC, 100Mbps Ethernet, and four USB 2.0 ports in a Raspberry Pi 2/3 compatible layout.

[Details](https://openhardware.directory/devices/tritium-h3) | [Markdown](https://openhardware.directory/devices/tritium-h3/md)

## Libre Computer Tritium H5

Libre Computer Tritium H5 — Allwinner H5 quad-core 64-bit SBC with 1GB/2GB DDR4, 8GB eMMC, Gigabit Ethernet, and four USB 2.0 ports in a Raspberry Pi-compatible layout.

[Details](https://openhardware.directory/devices/tritium-h5) | [Markdown](https://openhardware.directory/devices/tritium-h5/md)

## Helios4

Open-source 4-bay NAS server board by Kobol, powered by the Marvell Armada 388 SoC, 2GB DDR3, 4× SATA, Gigabit Ethernet, USB 3.0, and 12V DC — designed for self-hosted home and SMB network storage.

[Details](https://openhardware.directory/devices/helios4) | [Markdown](https://openhardware.directory/devices/helios4/md)

## Radxa NIO 12L

Radxa NIO 12L — MediaTek Dimensity 1200 (MT8395) octa-core SBC with 8GB/16GB LPDDR4X, 64GB/128GB eMMC, WiFi 6, Gigabit Ethernet, and USB-C, running Armbian Linux.

[Details](https://openhardware.directory/devices/radxa-nio-12l) | [Markdown](https://openhardware.directory/devices/radxa-nio-12l/md)

## Helios64

Open-source 5-bay NAS server board by Kobol, powered by the Rockchip RK3399 SoC, 4GB LPDDR4, eMMC, WiFi 5+BT 5.0, 2.5GbE, 5× SATA, and 12V DC — a high-performance personal cloud storage platform.

[Details](https://openhardware.directory/devices/helios64) | [Markdown](https://openhardware.directory/devices/helios64/md)

## Radxa Dragon Q6A

Radxa Dragon Q6A — Qualcomm QCM6490 industrial SBC with 5G modem, 8GB LPDDR5, 64GB/128GB eMMC, WiFi 6E, Bluetooth 5.2, and USB-C for industrial edge computing.

[Details](https://openhardware.directory/devices/radxa-dragon-q6a) | [Markdown](https://openhardware.directory/devices/radxa-dragon-q6a/md)

## JetHub D1 / D1+

DIN-rail mountable Linux IoT hub by JetHome, powered by the Amlogic S905W2 SoC with up to 4GB DDR4, 16GB eMMC, WiFi 5, Bluetooth 5.0, Gigabit Ethernet, and 12V DC — designed for home automation and industrial IoT.

[Details](https://openhardware.directory/devices/jethub-d1) | [Markdown](https://openhardware.directory/devices/jethub-d1/md)

## JetHub H1

DIN-rail mountable Linux IoT hub by JetHome, powered by the Amlogic S905W SoC with 2GB DDR4, 8GB eMMC, WiFi 802.11n, Bluetooth 4.0, Gigabit Ethernet, and 12V DC — compact smart home controller for panel installation.

[Details](https://openhardware.directory/devices/jethub-h1) | [Markdown](https://openhardware.directory/devices/jethub-h1/md)

## WiFi LoRa 32 (V3)

Compact ESP32-S3 + SX1262 LoRa development board with 0.96" OLED display, USB-C, and built-in LiPo charging. One of the primary boards for Meshtastic and LoRaWAN IoT projects.

[Details](https://openhardware.directory/devices/wifi-lora-32-v3) | [Markdown](https://openhardware.directory/devices/wifi-lora-32-v3/md)

## WiFi LoRa 32 (V4)

Upgraded ESP32-S3R2 + SX1262 LoRa dev board with 2MB PSRAM, 16MB flash, 0.96" OLED, switchable FPC/IPEX 2.4G antenna, GNSS interface, and solar input. Meshtastic and LoRaWAN ready.

[Details](https://openhardware.directory/devices/wifi-lora-32-v4) | [Markdown](https://openhardware.directory/devices/wifi-lora-32-v4/md)

## Adafruit Feather M0 Bluefruit LE

ARM Cortex-M0+ dev board with Bluetooth LE (nRF51822) in the compact Feather form factor. Features 256KB flash, 32KB RAM, native USB, and a built-in LiPo charger for wireless wearable and IoT projects.

[Details](https://openhardware.directory/devices/adafruit-feather-m0-bluefruit-le) | [Markdown](https://openhardware.directory/devices/adafruit-feather-m0-bluefruit-le/md)

## Circuit Playground Classic

All-in-one ATmega32u4 learning board with 10 NeoPixels, LIS3DH accelerometer, microphone, speaker, light and temperature sensors, and 8 capacitive touch pads in a circular 2-inch form factor.

[Details](https://openhardware.directory/devices/circuit-playground-classic) | [Markdown](https://openhardware.directory/devices/circuit-playground-classic/md)

## Adafruit Feather M0 WiFi (ATSAMD21 + ATWINC1500)

ARM Cortex-M0+ Feather board with ATWINC1500 802.11 b/g/n WiFi, 256KB flash, 32KB RAM, 10 analog inputs, and built-in LiPo charger. FCC-certified WiFi for IoT and connected projects.

[Details](https://openhardware.directory/devices/adafruit-feather-m0-wifi) | [Markdown](https://openhardware.directory/devices/adafruit-feather-m0-wifi/md)

## Adafruit METRO 328

Arduino UNO-compatible development board built around the ATmega328P at 16 MHz with 32KB flash, micro USB, and Adafruit's signature black PCB with gold-plated pads.

[Details](https://openhardware.directory/devices/adafruit-metro-328) | [Markdown](https://openhardware.directory/devices/adafruit-metro-328/md)

## Adafruit PyGamer

Handheld gaming console and dev board powered by ATSAMD51J19 (120MHz Cortex-M4F) with a 1.8" TFT display, 5 NeoPixels, accelerometer, and Feather-compatible headers. Runs MakeCode Arcade, CircuitPython, or Arduino.

[Details](https://openhardware.directory/devices/adafruit-pygamer) | [Markdown](https://openhardware.directory/devices/adafruit-pygamer/md)

## Arduino Mega 2560 R3

High-pin-count Arduino board based on the ATmega2560 at 16 MHz with 256KB flash, 54 digital I/O pins, 16 analog inputs, and 4 hardware UARTs for complex projects.

[Details](https://openhardware.directory/devices/arduino-mega-2560-r3) | [Markdown](https://openhardware.directory/devices/arduino-mega-2560-r3/md)

## Adafruit GEMMA M0

Coin-sized wearable microcontroller board with ATSAMD21E18 Cortex M0+ at 48MHz, 3 I/O sew pads, built-in RGB DotStar LED, and CircuitPython pre-installed. Designed for e-textiles and wearable projects.

[Details](https://openhardware.directory/devices/adafruit-gemma-m0) | [Markdown](https://openhardware.directory/devices/adafruit-gemma-m0/md)

## Adafruit Metro M7 with microSD

High-performance Arduino-compatible board powered by the NXP iMX RT1011 Cortex-M7 at 500 MHz, with 8MB QSPI flash, microSD slot, STEMMA QT, and USB-C.

[Details](https://openhardware.directory/devices/adafruit-metro-m7) | [Markdown](https://openhardware.directory/devices/adafruit-metro-m7/md)

## Seeeduino Cloud

Arduino Yun-compatible board combining ATmega32u4 with a Dragino HE Linux WiFi module running OpenWRT. Features 802.11 b/g/n WiFi, Ethernet, 14 digital I/O pins, and USB host for IoT gateway applications.

[Details](https://openhardware.directory/devices/seeeduino-cloud) | [Markdown](https://openhardware.directory/devices/seeeduino-cloud/md)

## Adafruit QT Py RP2040

Tiny RP2040-based dev board in the QT Py / Seeed XIAO form factor, featuring 8MB flash, USB-C, a NeoPixel, and a STEMMA QT connector for solderless I2C sensor wiring.

[Details](https://openhardware.directory/devices/adafruit-qt-py-rp2040) | [Markdown](https://openhardware.directory/devices/adafruit-qt-py-rp2040/md)

## Adafruit METRO M0 Express

Arduino Uno-compatible development board powered by ATSAMD21G18 Cortex M0+ at 48MHz with 256KB flash, 32KB SRAM, 2MB SPI flash, and CircuitPython pre-loaded. Features Arduino shield compatibility and native USB.

[Details](https://openhardware.directory/devices/adafruit-metro-m0-express) | [Markdown](https://openhardware.directory/devices/adafruit-metro-m0-express/md)

## Arduino Uno Ethernet

Arduino UNO with built-in Ethernet and microSD slot based on the ATmega328P at 16 MHz — a self-contained board for networked Arduino projects without needing a separate Ethernet shield.

[Details](https://openhardware.directory/devices/arduino-uno-ethernet) | [Markdown](https://openhardware.directory/devices/arduino-uno-ethernet/md)

## FeatherS2 Neo ESP32-S2

ESP32-S2 Feather-format board by Unexpected Maker with 4MB flash, 2MB PSRAM, 5×5 RGB LED matrix, LiPo charging, and STEMMA QT — designed for colorful wearable and IoT projects.

[Details](https://openhardware.directory/devices/feathers2-neo) | [Markdown](https://openhardware.directory/devices/feathers2-neo/md)

## Raspberry Pi 4 Model B

Flagship Raspberry Pi SBC with BCM2711 quad-core Cortex-A72 @ 1.5GHz, dual-band WiFi, Gigabit Ethernet, dual micro-HDMI 4K outputs, USB 3.0, and USB-C power. Available in 1GB, 2GB, 4GB, and 8GB LPDDR4 RAM variants.

[Details](https://openhardware.directory/devices/raspberry-pi-4-model-b) | [Markdown](https://openhardware.directory/devices/raspberry-pi-4-model-b/md)

## Adafruit Feather M0 WiFi with uFL

Variant of the Feather M0 WiFi (ATSAMD21 + ATWINC1500) with a u.FL antenna connector instead of a PCB trace antenna, allowing use of an external antenna for improved WiFi range.

[Details](https://openhardware.directory/devices/adafruit-feather-m0-wifi-ufl) | [Markdown](https://openhardware.directory/devices/adafruit-feather-m0-wifi-ufl/md)

## Adafruit FLORA v3

Round, sewable Arduino-compatible wearable platform with ATmega32u4, native USB, NeoPixel, JST battery connector, and alligator-clip-friendly pads in a 45mm diameter form factor.

[Details](https://openhardware.directory/devices/adafruit-flora-v3) | [Markdown](https://openhardware.directory/devices/adafruit-flora-v3/md)

## Adafruit Metro M7 with AirLift

Arduino UNO-compatible Metro board powered by NXP iMX RT1011 at 500 MHz with an ESP32 AirLift WiFi co-processor, 8 MB QSPI Flash, and USB-C — Adafruit's fastest Metro ever.

[Details](https://openhardware.directory/devices/adafruit-metro-m7-airlift) | [Markdown](https://openhardware.directory/devices/adafruit-metro-m7-airlift/md)

## Adafruit Feather RP2040 SCORPIO

RP2040 Feather board with 8 consecutive 5V-level-shifted PIO outputs dedicated to NeoPixel LED strip control, 8MB flash, USB-C, and LiPo charging.

[Details](https://openhardware.directory/devices/adafruit-feather-rp2040-scorpio) | [Markdown](https://openhardware.directory/devices/adafruit-feather-rp2040-scorpio/md)

## Adafruit HalloWing M4 Express

Skull-shaped ATSAMD51J19 dev board (120MHz Cortex-M4F) with a 1.54" 240×240 IPS TFT, 4 capacitive touch inputs, 4 NeoPixels, accelerometer, speaker driver, and LiPoly charging. Perfect for Halloween props and wearables.

[Details](https://openhardware.directory/devices/adafruit-hallowing-m4-express) | [Markdown](https://openhardware.directory/devices/adafruit-hallowing-m4-express/md)

## Arduino Leonardo

Arduino board with ATmega32u4 featuring native USB — no separate USB chip needed — allowing it to emulate keyboards, mice, and joysticks while maintaining full Arduino IDE compatibility.

[Details](https://openhardware.directory/devices/arduino-leonardo) | [Markdown](https://openhardware.directory/devices/arduino-leonardo/md)

## Pycom Pytrack

GPS/GNSS tracking expansion board for Pycom modules with GLONASS/Galileo/QZSS support, 3-axis accelerometer, MicroSD slot, LiPo charger, USB serial, and 5 extra GPIO headers. Ultra-low 1µA deep sleep current.

[Details](https://openhardware.directory/devices/pycom-pytrack) | [Markdown](https://openhardware.directory/devices/pycom-pytrack/md)

## Adafruit FunHouse

WiFi IoT automation board with ESP32-S2, built-in 1.54″ color TFT, barometric pressure, humidity, temperature sensors, DotStar LEDs, capacitive touch, and a speaker.

[Details](https://openhardware.directory/devices/adafruit-funhouse) | [Markdown](https://openhardware.directory/devices/adafruit-funhouse/md)

## Pycom Pysense

Multi-sensor expansion board for Pycom modules featuring light, barometric pressure, humidity, temperature, and 3-axis accelerometer sensors. Includes MicroSD slot, USB serial, LiPo charger, and ultra-low 1µA deep sleep.

[Details](https://openhardware.directory/devices/pycom-pysense) | [Markdown](https://openhardware.directory/devices/pycom-pysense/md)

## Adafruit Feather 32u4 RFM69HCW 868/915 MHz

ATmega32u4 Feather board with RFM69HCW sub-GHz radio supporting 868/915 MHz with up to +20 dBm transmit power, AES-128 encryption, and 100mA LiPo charger for long-range IoT sensor networks.

[Details](https://openhardware.directory/devices/adafruit-feather-32u4-rfm69hcw-868-915) | [Markdown](https://openhardware.directory/devices/adafruit-feather-32u4-rfm69hcw-868-915/md)

## ESP32-C6-WROOM-1-N4 Module

Espressif ESP32-C6 WROOM module with 4MB flash and PCB antenna, supporting Wi-Fi 6 (802.11ax), Bluetooth 5 LE, Zigbee 3.0, and Thread — for soldering onto custom IoT hardware.

[Details](https://openhardware.directory/devices/esp32-c6-wroom-1-n4) | [Markdown](https://openhardware.directory/devices/esp32-c6-wroom-1-n4/md)

## ESP32-C6-WROOM-1-N8 Module

Espressif ESP32-C6 WROOM module with 8MB flash and PCB antenna, supporting Wi-Fi 6 (802.11ax), Bluetooth 5 LE, Zigbee 3.0, and Thread — for soldering onto custom IoT hardware.

[Details](https://openhardware.directory/devices/esp32-c6-wroom-1-n8) | [Markdown](https://openhardware.directory/devices/esp32-c6-wroom-1-n8/md)

## Arduino Due

Arduino's first 32-bit ARM board based on the AT91SAM3X8E Cortex-M3 at 84 MHz with 512KB flash, 96KB SRAM, dual USB ports, 2 DACs, and 12 PWM channels in Mega form factor.

[Details](https://openhardware.directory/devices/arduino-due) | [Markdown](https://openhardware.directory/devices/arduino-due/md)

## BBC micro:bit v1

Pocket-sized educational microcontroller with nRF51822, 5×5 LED matrix, accelerometer, magnetometer, Bluetooth LE, 2 buttons, and 19 I/O pins. Designed for teaching coding to children and beginners via MakeCode or MicroPython.

[Details](https://openhardware.directory/devices/bbc-microbit-v1) | [Markdown](https://openhardware.directory/devices/bbc-microbit-v1/md)

## Adafruit Feather 32u4 RFM69HCW 433 MHz

ATmega32u4 Feather board with RFM69HCW sub-GHz radio at 433 MHz with up to +20 dBm transmit power, AES-128 encryption, and built-in LiPo charger for long-range sensor networks in the 433 MHz ISM band.

[Details](https://openhardware.directory/devices/adafruit-feather-32u4-rfm69hcw-433) | [Markdown](https://openhardware.directory/devices/adafruit-feather-32u4-rfm69hcw-433/md)

## Raspberry Pi Pico 2W

The Raspberry Pi Pico 2W is a wireless microcontroller board built on the RP2350 chip, delivering dual Cortex-M33 or RISC-V cores at 150MHz with 2.4GHz WiFi 4 (WPA3), Bluetooth 5.2, and 4MB flash — a major step up from the RP2040-based Pico W.

[Details](https://openhardware.directory/devices/raspberry-pi-pico-2w) | [Markdown](https://openhardware.directory/devices/raspberry-pi-pico-2w/md)

## ESP32-C6-DevKitC-1-N8

Espressif reference development board for the ESP32-C6 with 8MB flash, Wi-Fi 6, Bluetooth 5 LE, Zigbee 3.0, Thread, RGB LED, dual USB-C ports, and full GPIO breakout.

[Details](https://openhardware.directory/devices/esp32-c6-devkitc-1-n8) | [Markdown](https://openhardware.directory/devices/esp32-c6-devkitc-1-n8/md)

## Circuit Playground Bluefruit

Round educational microcontroller with Nordic nRF52840 (64MHz Cortex-M4F + BLE), 10 NeoPixels, accelerometer, microphone, light sensor, speaker, 8 alligator-clip I/O pads, and USB. Runs CircuitPython, MakeCode, and Arduino.

[Details](https://openhardware.directory/devices/circuit-playground-bluefruit) | [Markdown](https://openhardware.directory/devices/circuit-playground-bluefruit/md)

## Adafruit ESP32-S2 Feather

Feather-format ESP32-S2 board with 4 MB flash, 2 MB PSRAM, native USB-C, STEMMA QT, LiPoly charging, and MAX17048 battery monitor — WiFi IoT in the Feather ecosystem.

[Details](https://openhardware.directory/devices/adafruit-esp32-s2-feather) | [Markdown](https://openhardware.directory/devices/adafruit-esp32-s2-feather/md)

## Arduino Micro

Smallest official Arduino with native USB, based on ATmega32u4 at 16 MHz. Breadboard-friendly at 48×18mm with 20 I/O pins, 12 analog inputs, and USB HID/CDC emulation capability.

[Details](https://openhardware.directory/devices/arduino-micro) | [Markdown](https://openhardware.directory/devices/arduino-micro/md)

## Raspberry Pi 500

The Raspberry Pi 500 is an all-in-one desktop computer built into a compact keyboard, packing a quad-core Cortex-A76 at 2.4GHz, 8GB LPDDR4X RAM, 32GB microSD, dual-band WiFi 5, Bluetooth 5.0, and a 40-pin GPIO header into a single plug-and-go device.

[Details](https://openhardware.directory/devices/raspberry-pi-500) | [Markdown](https://openhardware.directory/devices/raspberry-pi-500/md)

## Adafruit Feather RP2040 with DVI Output

RP2040 Feather board with a DVI/HDMI-compatible output port for driving displays at up to 800×480, plus LiPo charging, USB-C, NeoPixel, and STEMMA QT.

[Details](https://openhardware.directory/devices/adafruit-feather-rp2040-dvi) | [Markdown](https://openhardware.directory/devices/adafruit-feather-rp2040-dvi/md)

## TinyS2 ESP32-S2

Ultra-compact ESP32-S2 development board by Unexpected Maker in the TinyPICO form factor, with 4 MB flash, 2 MB PSRAM, native USB, WiFi, and LiPo charging at just 17.8 × 41 mm.

[Details](https://openhardware.directory/devices/tinys2-esp32-s2) | [Markdown](https://openhardware.directory/devices/tinys2-esp32-s2/md)

## Pycom SiPy

ESP32-based MicroPython development board with WiFi, Bluetooth LE, and +22dBm SigFox radio (RCZ2/RCZ4). Breadboard-compatible with ultra-low power modes, ideal for long-range sub-GHz IoT deployments.

[Details](https://openhardware.directory/devices/pycom-sipy) | [Markdown](https://openhardware.directory/devices/pycom-sipy/md)

## Adafruit Feather 32u4 RFM95 LoRa 868/915 MHz

ATmega32u4 Feather board with RFM95W SX1276 LoRa radio for 868/915 MHz long-range communication. Achieves 2+ km range, supports spreading factors SF6-SF12, and includes a built-in LiPo charger.

[Details](https://openhardware.directory/devices/adafruit-feather-32u4-rfm95-lora-868-915) | [Markdown](https://openhardware.directory/devices/adafruit-feather-32u4-rfm95-lora-868-915/md)

## Adafruit Feather STM32F405 Express

High-speed Feather-form-factor dev board with STM32F405 ARM Cortex-M4F @ 168MHz, 1MB Flash, 192KB RAM, 2MB SPI Flash, USB-C, STEMMA QT, SD card socket, and LiPo charging. Adafruit's fastest CircuitPython board.

[Details](https://openhardware.directory/devices/adafruit-feather-stm32f405-express) | [Markdown](https://openhardware.directory/devices/adafruit-feather-stm32f405-express/md)

## Adafruit GEMMA v2

Tiny 27mm round sewable wearable microcontroller with ATtiny85 at 8 MHz, 3 GPIO, Micro USB programming, 3.3V power, and reverse-polarity protection — ideal for small LED and NeoPixel wearable projects.

[Details](https://openhardware.directory/devices/adafruit-gemma-v2) | [Markdown](https://openhardware.directory/devices/adafruit-gemma-v2/md)

## Adafruit Metro RP2350 with PSRAM

The Adafruit Metro RP2350 with PSRAM is an Arduino Uno–footprint development board powered by the RP2350 chip, featuring 16MB flash, 520KB SRAM, and 8MB QSPI PSRAM for expanded dynamic memory — ideal for data-intensive CircuitPython and C/C++ projects.

[Details](https://openhardware.directory/devices/adafruit-metro-rp2350-psram) | [Markdown](https://openhardware.directory/devices/adafruit-metro-rp2350-psram/md)

## Adafruit MACROPAD RP2040

RP2040-powered 3×4 mechanical macropad with 12 NeoPixels, a 128×64 OLED display, rotary encoder, speaker, and STEMMA QT — fully programmable via CircuitPython or Arduino.

[Details](https://openhardware.directory/devices/adafruit-macropad-rp2040) | [Markdown](https://openhardware.directory/devices/adafruit-macropad-rp2040/md)

## Netduino Plus

The Netduino Plus is an open-source .NET Micro Framework microcontroller board with built-in Ethernet, Arduino-compatible pinout, and microSD slot — enabling C# development for connected embedded projects.

[Details](https://openhardware.directory/devices/netduino-plus) | [Markdown](https://openhardware.directory/devices/netduino-plus/md)

## Adafruit Feather nRF52 Pro

Bluetooth 5.0 LE Feather board with nRF52832 ARM Cortex M4F at 64MHz, 512KB flash, 64KB SRAM, Apache Mynewt bootloader, SWD debug port, and built-in LiPo charging. For advanced BLE 5.0 open-source applications.

[Details](https://openhardware.directory/devices/adafruit-feather-nrf52-pro) | [Markdown](https://openhardware.directory/devices/adafruit-feather-nrf52-pro/md)

## Arduino Yún

Hybrid Arduino/Linux board combining ATmega32U4 with a MIPS-based Linux SoC, 802.11bgn WiFi, Ethernet, USB host, and microSD — enabling cloud-connected Arduino sketches and over-the-air programming.

[Details](https://openhardware.directory/devices/arduino-yun) | [Markdown](https://openhardware.directory/devices/arduino-yun/md)

## Adafruit Feather RP2040 RFM69 868/915 MHz

RP2040 Feather with integrated RFM69HCW 868/915 MHz packet radio transceiver, 8MB flash, LiPo charging, STEMMA QT, and uFL antenna connector for long-range wireless mesh networks.

[Details](https://openhardware.directory/devices/adafruit-feather-rp2040-rfm69) | [Markdown](https://openhardware.directory/devices/adafruit-feather-rp2040-rfm69/md)

## Adafruit Feather 32u4 RFM96 LoRa 433 MHz

ATmega32u4 Feather board with RFM96W SX1278 LoRa radio for 433 MHz long-range communication. Achieves 2+ km range with quarter-wave antennas, supports LoRaWAN, and includes a built-in LiPo charger.

[Details](https://openhardware.directory/devices/adafruit-feather-32u4-rfm96-lora-433) | [Markdown](https://openhardware.directory/devices/adafruit-feather-32u4-rfm96-lora-433/md)

## PIC32 Pinguino

The PIC32 Pinguino is an open-source Arduino-form-factor development board based on the Microchip PIC32MX440F256H 32-bit processor at 80MHz, with industrial-grade power input, LiPo battery support, and UEXT expansion connector.

[Details](https://openhardware.directory/devices/pic32-pinguino) | [Markdown](https://openhardware.directory/devices/pic32-pinguino/md)

## Adafruit Feather RP2040 with RFM95 LoRa 915 MHz

RP2040 Feather with integrated RFM95W LoRa radio at 915 MHz (SX1276), 8MB flash, up to 20 km range, LiPo charging, STEMMA QT, and uFL antenna connector.

[Details](https://openhardware.directory/devices/adafruit-feather-rp2040-rfm95) | [Markdown](https://openhardware.directory/devices/adafruit-feather-rp2040-rfm95/md)

## ESP32-S2 HMI DevKit 1

Espressif ESP32-S2-WROVER HMI development kit with a 4.3″ 800×480 capacitive touchscreen, onboard IMU, microphone, speaker, microSD, IR, and RGB LEDs — designed for smart-home panel prototyping.

[Details](https://openhardware.directory/devices/esp32-s2-hmi-devkit-1) | [Markdown](https://openhardware.directory/devices/esp32-s2-hmi-devkit-1/md)

## Adafruit ESP32-S2 Feather with w.FL Antenna

The Adafruit ESP32-S2 Feather with w.FL is a Feather-form WiFi microcontroller board with a w.FL (MHF4) external antenna connector for extended range. It features a 240MHz ESP32-S2 single-core CPU, 4MB flash, 2MB PSRAM, native USB-C, and LiPo battery charging — no Bluetooth.

[Details](https://openhardware.directory/devices/adafruit-feather-esp32-s2-wfl) | [Markdown](https://openhardware.directory/devices/adafruit-feather-esp32-s2-wfl/md)

## Adafruit PyPortal Titano

Large-screen IoT display board with ATSAMD51J20 + ESP32 WiFi coprocessor, 3.5" 320×480 resistive touchscreen TFT, 8MB Flash, microSD, speaker, and USB-C. Designed for Python-powered internet-connected dashboards.

[Details](https://openhardware.directory/devices/adafruit-pyportal-titano) | [Markdown](https://openhardware.directory/devices/adafruit-pyportal-titano/md)

## Pycom GPy

ESP32-based triple-network MicroPython board with WiFi 802.11 b/g/n, Bluetooth LE, and LTE CAT-M1/NB1 cellular. 4MB RAM, 8MB flash, 22 GPIO, breadboard-compatible. Ideal for global LTE IoT deployments.

[Details](https://openhardware.directory/devices/pycom-gpy) | [Markdown](https://openhardware.directory/devices/pycom-gpy/md)

## Adafruit Trinket 3.3V

Tiny 27×15mm Arduino-compatible microcontroller board with ATtiny85 at 8 MHz, 3.3V logic, 8KB flash, 3 GPIO pins, and Micro USB programming for minimal space-constrained projects.

[Details](https://openhardware.directory/devices/adafruit-trinket-3v) | [Markdown](https://openhardware.directory/devices/adafruit-trinket-3v/md)

## Arduino MKR1000

Compact Arduino board with SAMD21 ARM Cortex-M0+ and ATSAMW25 integrated WiFi (802.11 b/g/n) with cryptochip and SSL support. Built-in LiPo charger, 8 digital I/O, and 7 analog inputs in a slim 65mm form factor.

[Details](https://openhardware.directory/devices/arduino-mkr1000) | [Markdown](https://openhardware.directory/devices/arduino-mkr1000/md)

## ESP32-S3 Box

Espressif AIoT development kit with ESP32-S3, a 2.4″ 320×240 capacitive touchscreen, dual microphones, speaker, 16 MB Flash, 8 MB PSRAM, WiFi, BLE 5, and Pmod expansion.

[Details](https://openhardware.directory/devices/esp32-s3-box) | [Markdown](https://openhardware.directory/devices/esp32-s3-box/md)

## Pycom FiPy

Five-network ESP32 MicroPython board with WiFi, Bluetooth LE, LoRa, SigFox, and dual LTE-M (CAT-M1/NB1). 4MB RAM, 8MB flash, 22 GPIO. The most connected Pycom module for versatile LPWAN IoT applications.

[Details](https://openhardware.directory/devices/pycom-fipy) | [Markdown](https://openhardware.directory/devices/pycom-fipy/md)

## Adafruit Trinket 5V

Tiny 31×15mm Arduino-compatible microcontroller with ATtiny85 at 8–16 MHz, 5V logic, 8KB flash, 3 GPIO pins, and Micro USB — the 5V variant for interfacing with 5V sensors and NeoPixel LEDs.

[Details](https://openhardware.directory/devices/adafruit-trinket-5v) | [Markdown](https://openhardware.directory/devices/adafruit-trinket-5v/md)

## ESP32-H2-DevKitM-1-N4S

Espressif development board for the ESP32-H2 with Bluetooth 5 LE, Zigbee 3.0, Thread, and Matter support, 4MB flash, USB-C, RGB LED, and full GPIO breakout — no Wi-Fi.

[Details](https://openhardware.directory/devices/esp32-h2-devkitm-1-n4s) | [Markdown](https://openhardware.directory/devices/esp32-h2-devkitm-1-n4s/md)

## Raspberry Pi Pico 2

The Raspberry Pi Pico 2 is an RP2350-based microcontroller board with dual ARM Cortex-M33 or RISC-V Hazard3 cores at 150MHz, 520KB SRAM, and 4MB flash. It doubles the RAM and flash of the original Pico while retaining pin compatibility — available with or without pre-soldered headers.

[Details](https://openhardware.directory/devices/raspberry-pi-pico-2) | [Markdown](https://openhardware.directory/devices/raspberry-pi-pico-2/md)

## Adafruit ItsyBitsy nRF52840 Express

Tiny breadboard-friendly Bluetooth LE board with Nordic nRF52840 Cortex-M4F @ 64MHz, 1MB Flash, 256KB RAM, 2MB QSPI Flash, 21 GPIO, and native USB — all in a 36×17.6mm footprint. Supports CircuitPython and Arduino.

[Details](https://openhardware.directory/devices/adafruit-itsybitsy-nrf52840-express) | [Markdown](https://openhardware.directory/devices/adafruit-itsybitsy-nrf52840-express/md)

## ESP32-H2-MINI-1 Module

Espressif ESP32-H2 MINI module with 4MB flash and PCB antenna, supporting Bluetooth 5 LE, Zigbee 3.0, Thread, and Matter — a compact bare module for custom PCB designs without Wi-Fi.

[Details](https://openhardware.directory/devices/esp32-h2-mini-1) | [Markdown](https://openhardware.directory/devices/esp32-h2-mini-1/md)

## Raspberry Pi Zero 2 W

Credit-card-tiny Linux SBC with a quad-core Cortex-A53 at 1 GHz, 512 MB RAM, 2.4 GHz WiFi, Bluetooth 4.2, a 40-pin GPIO header footprint, mini HDMI, and a CSI camera connector.

[Details](https://openhardware.directory/devices/raspberry-pi-zero-2-w) | [Markdown](https://openhardware.directory/devices/raspberry-pi-zero-2-w/md)

## Netduino Plus 2

The Netduino Plus 2 is an Arduino R3-compatible .NET Micro Framework development board with a 168MHz ARM Cortex-M4 processor, built-in Ethernet, microSD slot, and 12-bit ADC — offering C# programming for connected embedded applications.

[Details](https://openhardware.directory/devices/netduino-plus-2) | [Markdown](https://openhardware.directory/devices/netduino-plus-2/md)

## Adafruit ItsyBitsy 32u4 3V 8MHz

Ultra-compact 3.3V Arduino-compatible board with ATmega32u4 at 8MHz, native USB HID, 23 GPIO pins, 2KB RAM, 28KB flash, and Micro USB. Measures 35mm × 17mm — smaller than a Feather with equivalent AVR capability.

[Details](https://openhardware.directory/devices/adafruit-itsybitsy-32u4-3v) | [Markdown](https://openhardware.directory/devices/adafruit-itsybitsy-32u4-3v/md)

## Adafruit Feather RP2040 with USB Type A Host

RP2040 Feather with a dedicated USB Type-A host port powered by a 5V boost converter, enabling connection to USB devices like keyboards, mice, and MIDI controllers alongside standard USB-C programming.

[Details](https://openhardware.directory/devices/adafruit-feather-rp2040-usb-host) | [Markdown](https://openhardware.directory/devices/adafruit-feather-rp2040-usb-host/md)

## Adafruit Feather nRF52840 Sense

Sensor-rich BLE Feather with Nordic nRF52840 (64MHz Cortex-M4F), 6 onboard sensors (9-DoF IMU, magnetometer, proximity/light, PDM mic, humidity, barometric pressure), 21 GPIO, and FCC/IC/TELEC certified.

[Details](https://openhardware.directory/devices/adafruit-feather-nrf52840-sense) | [Markdown](https://openhardware.directory/devices/adafruit-feather-nrf52840-sense/md)

## ProS3[D] ESP32-S3 by Unexpected Maker

The ProS3[D] is Unexpected Maker's flagship ESP32-S3 development board featuring a dual antenna system (onboard 3D high-gain + u.FL for external), an I2C battery fuel gauge, 16MB flash, 8MB PSRAM, dual 700mA LDOs, and STEMMA QT — with software-switchable RF routing.

[Details](https://openhardware.directory/devices/pros3d-esp32-s3) | [Markdown](https://openhardware.directory/devices/pros3d-esp32-s3/md)

## Adafruit ItsyBitsy 32u4 5V 16MHz

Ultra-compact 5V Arduino-compatible board with ATmega32u4 at 16MHz, native USB HID, 23 GPIO pins, 2KB RAM, 28KB flash, and Micro USB. Measures 35mm × 18mm — small form factor with full Arduino Leonardo capability.

[Details](https://openhardware.directory/devices/adafruit-itsybitsy-32u4-5v) | [Markdown](https://openhardware.directory/devices/adafruit-itsybitsy-32u4-5v/md)

## Adafruit Pro Trinket 5V

Compact ATmega328P-based Arduino-compatible board at 16 MHz, 5V, with 28KB flash, 18 GPIO, Micro USB, FTDI header, and mounting holes — a miniaturized UNO with battery-friendly power management.

[Details](https://openhardware.directory/devices/adafruit-pro-trinket-5v) | [Markdown](https://openhardware.directory/devices/adafruit-pro-trinket-5v/md)

## Netduino 3 WiFi

The Netduino 3 WiFi is a .NET Micro Framework development board with an STM32F427 ARM Cortex-M4 at 168MHz, integrated WiFi with WPA2/SSL support, Arduino shield compatibility, and 3 GOBUS expansion ports for rapid IoT prototyping in C#.

[Details](https://openhardware.directory/devices/netduino-3-wifi) | [Markdown](https://openhardware.directory/devices/netduino-3-wifi/md)

## Adafruit KB2040

Arduino Pro Micro-compatible RP2040 keyboard controller with 8 MB flash, 20 GPIO, STEMMA QT, castellated USB pads, NeoPixel, and QMK/KMK/CircuitPython support for custom mechanical keyboards.

[Details](https://openhardware.directory/devices/adafruit-kb2040) | [Markdown](https://openhardware.directory/devices/adafruit-kb2040/md)

## Adafruit Feather M0 RFM69HCW 868/915 MHz

ATSAMD21G18 ARM Cortex-M0+ Feather board with RFM69HCW sub-GHz radio at 868/915 MHz. Up to +20 dBm TX power, AES-128 encryption, 256KB flash, 32KB RAM, native USB, and built-in LiPo charger.

[Details](https://openhardware.directory/devices/adafruit-feather-m0-rfm69hcw-868-915) | [Markdown](https://openhardware.directory/devices/adafruit-feather-m0-rfm69hcw-868-915/md)

## Netduino 3

The Netduino 3 is an open-source .NET Micro Framework development board powered by the STM32F427VG ARM Cortex-M4 at 168MHz, featuring Arduino shield compatibility, 3 GOBUS ports, and 6 analog input channels for C# embedded development.

[Details](https://openhardware.directory/devices/netduino-3) | [Markdown](https://openhardware.directory/devices/netduino-3/md)

## Adafruit ESP32-S2 Feather with BME280

ESP32-S2 Feather with an onboard BME280 temperature, humidity, and barometric pressure sensor, plus 4 MB flash, 2 MB PSRAM, native USB-C, STEMMA QT, and LiPoly charging.

[Details](https://openhardware.directory/devices/adafruit-esp32-s2-feather-bme280) | [Markdown](https://openhardware.directory/devices/adafruit-esp32-s2-feather-bme280/md)

## FeatherS3[D] ESP32-S3 by Unexpected Maker

The FeatherS3[D] is Unexpected Maker's Feather-form ESP32-S3 board with a dual antenna system (onboard + u.FL, software-switchable), I2C battery fuel gauge, 16MB flash, 8MB PSRAM, two STEMMA QT connectors, and LiPo charging — all in the standard Adafruit Feather footprint.

[Details](https://openhardware.directory/devices/feathers3d-esp32-s3) | [Markdown](https://openhardware.directory/devices/feathers3d-esp32-s3/md)

## Adafruit My Little Hacker ESP32-S2

Child-oriented ESP32-S2 dev board with 4MB flash, 2MB PSRAM, 5 NeoPixels, microSD, I2S audio amplifier for speakers, USB-C, STEMMA QT, and AA battery or USB-C power support.

[Details](https://openhardware.directory/devices/adafruit-my-little-hacker-esp32-s2) | [Markdown](https://openhardware.directory/devices/adafruit-my-little-hacker-esp32-s2/md)

## Pycom LoPy4

ESP32-based quad-network MicroPython board with WiFi, Bluetooth LE, LoRa (SX1276 868/915/433MHz), and SigFox. 4MB PSRAM, 8MB flash, 24 GPIO. Can function as a nano LoRa gateway. FCC/CE certified.

[Details](https://openhardware.directory/devices/pycom-lopy4) | [Markdown](https://openhardware.directory/devices/pycom-lopy4/md)

## Adafruit Feather M0 RFM69HCW 433 MHz

ATSAMD21G18 ARM Cortex-M0+ Feather board with RFM69HCW sub-GHz radio at 433 MHz. Up to +20 dBm TX power, AES-128 encryption, 256KB flash, 32KB RAM, native USB, and built-in LiPo charger.

[Details](https://openhardware.directory/devices/adafruit-feather-m0-rfm69hcw-433) | [Markdown](https://openhardware.directory/devices/adafruit-feather-m0-rfm69hcw-433/md)

## PJRC Teensy 4.1

High-performance microcontroller with NXP i.MX RT1062 ARM Cortex-M7 @ 600MHz, 1MB RAM, 2MB Flash, 100Mbps Ethernet PHY, SD card, 55 GPIO, dual 480Mbps USB, and 3 CAN Bus. Expanded Teensy 4.0 sibling.

[Details](https://openhardware.directory/devices/pjrc-teensy-4-1) | [Markdown](https://openhardware.directory/devices/pjrc-teensy-4-1/md)

## TinyS3 ESP32-S3 with u.FL

Ultra-compact ESP32-S3 board by Unexpected Maker in TinyPICO form factor with u.FL external antenna connector, 8MB flash, 8MB PSRAM, LiPo charging, and dual-core 240 MHz.

[Details](https://openhardware.directory/devices/tinys3-esp32-s3-ufl) | [Markdown](https://openhardware.directory/devices/tinys3-esp32-s3-ufl/md)

## TinyS3[D] ESP32-S3 by Unexpected Maker

The TinyS3[D] is Unexpected Maker's ultra-compact ESP32-S3 board in the TinyPICO form factor, featuring a dual antenna system (onboard + u.FL, software-switchable), I2C battery fuel gauge, 8MB flash, 8MB PSRAM, LiPo charging, and 17 GPIO pins — all in a tiny castellated module.

[Details](https://openhardware.directory/devices/tinys3d-esp32-s3) | [Markdown](https://openhardware.directory/devices/tinys3d-esp32-s3/md)

## Netduino 3 Ethernet

The Netduino 3 Ethernet is a .NET Micro Framework board with an STM32F427VI ARM Cortex-M4 at 168MHz, wired Ethernet with full TCP/IP stack, microSD storage, Arduino shield compatibility, and 3 GOBUS ports for C# network-connected embedded projects.

[Details](https://openhardware.directory/devices/netduino-3-ethernet) | [Markdown](https://openhardware.directory/devices/netduino-3-ethernet/md)

## FeatherS3 ESP32-S3 with u.FL

Unexpected Maker's pro ESP32-S3 Feather board with u.FL external antenna connector, 16MB flash, 8MB PSRAM, dual STEMMA QT connectors, LiPo charging, and dual 700mA regulators.

[Details](https://openhardware.directory/devices/feathers3-esp32-s3-ufl) | [Markdown](https://openhardware.directory/devices/feathers3-esp32-s3-ufl/md)

## ESP32-S3-DevKitC-1

Espressif official ESP32-S3 development board with ESP32-S3-WROOM-1 module, dual-core 240 MHz LX7, up to 45 GPIO, dual USB ports, and available in three memory variants: 8MB/2MB PSRAM, 8MB/8MB PSRAM, and 32MB/16MB PSRAM (WROOM-2).

[Details](https://openhardware.directory/devices/esp32-s3-devkitc-1) | [Markdown](https://openhardware.directory/devices/esp32-s3-devkitc-1/md)

## Adafruit HUZZAH ESP8266 Breakout

Breadboard-friendly ESP8266 WiFi breakout at 80 MHz with 802.11 b/g/n, 9 GPIO, 3.3V logic, 500mA regulator, and pre-loaded NodeMCU firmware — Adafruit's accessible entry point to ESP8266 development.

[Details](https://openhardware.directory/devices/adafruit-huzzah-esp8266) | [Markdown](https://openhardware.directory/devices/adafruit-huzzah-esp8266/md)

## Raspberry Pi Zero WH

Raspberry Pi Zero W with pre-soldered 40-pin GPIO headers. BCM2835 single-core 1GHz ARM11, 512MB RAM, built-in 802.11 b/g/n WiFi (BCM43143), Bluetooth LE, Mini HDMI, Micro USB, and MicroSD. No soldering required.

[Details](https://openhardware.directory/devices/raspberry-pi-zero-wh) | [Markdown](https://openhardware.directory/devices/raspberry-pi-zero-wh/md)

## ESP32-S2-WROVER Module

Bare WiFi module with Espressif ESP32-S2 single-core Xtensa LX7 @ 240MHz, 4MB Flash, 2MB PSRAM, 802.11b/g/n, native USB 1.1 OTG, and SMD pads. Intended for integration onto custom PCBs, not a standalone dev board.

[Details](https://openhardware.directory/devices/esp32-s2-wrover-module) | [Markdown](https://openhardware.directory/devices/esp32-s2-wrover-module/md)

## Adafruit Feather M0 RFM95 LoRa 900 MHz

ATSAMD21G18 ARM Cortex-M0+ Feather board with RFM95W SX1276 LoRa radio for 868/915 MHz. Achieves 2+ km range, supports LoRaWAN, 256KB flash, 32KB RAM, native USB, and built-in LiPo charger.

[Details](https://openhardware.directory/devices/adafruit-feather-m0-rfm95-lora-900) | [Markdown](https://openhardware.directory/devices/adafruit-feather-m0-rfm95-lora-900/md)

## ProS3 ESP32-S3 with u.FL

Unexpected Maker's ProS3 ESP32-S3 with u.FL external antenna, 16MB flash, 8MB PSRAM, 27 GPIO castellated headers, dual LDO regulators, LiPo charging, and STEMMA QT.

[Details](https://openhardware.directory/devices/pros3-esp32-s3-ufl) | [Markdown](https://openhardware.directory/devices/pros3-esp32-s3-ufl/md)

## ESP32-S3-DevKitM-1

Espressif official ESP32-S3 development board using the compact ESP32-S3-MINI-1 module, with dual-core 240 MHz LX7, 8 MB flash, up to 45 GPIO, dual USB ports, and smaller footprint than the WROOM-1.

[Details](https://openhardware.directory/devices/esp32-s3-devkitm-1) | [Markdown](https://openhardware.directory/devices/esp32-s3-devkitm-1/md)

## Raspberry Pi 500+

The Raspberry Pi 500+ is a premium all-in-one keyboard computer with the Raspberry Pi 5 processor, 16GB LPDDR4X RAM, 256GB internal NVMe SSD, mechanical Gateron KS-33 switches with RGB, dual-band WiFi 5, Bluetooth 5.0, and a 40-pin GPIO header — a complete high-performance desktop in a keyboard.

[Details](https://openhardware.directory/devices/raspberry-pi-500-plus) | [Markdown](https://openhardware.directory/devices/raspberry-pi-500-plus/md)

## Adafruit Metro Mini 328 V2

Breadboard-friendly ATmega328P Arduino-compatible board at 16 MHz, 5V, with USB-C, STEMMA QT I2C port, 32KB flash, and CP2102N USB-serial chip — a compact modern drop-in for the Arduino UNO.

[Details](https://openhardware.directory/devices/adafruit-metro-mini-328) | [Markdown](https://openhardware.directory/devices/adafruit-metro-mini-328/md)

## Adafruit ItsyBitsy M0 Express

Compact 3.3V CircuitPython/Arduino board with ATSAMD21G18 Cortex M0+ at 48MHz, 32KB RAM, 256KB flash, 2MB SPI flash, 23 GPIO with 11 analog inputs, RGB DotStar LED, native USB. Measures 36mm × 18mm.

[Details](https://openhardware.directory/devices/adafruit-itsybitsy-m0-express) | [Markdown](https://openhardware.directory/devices/adafruit-itsybitsy-m0-express/md)

## Adafruit Metro RP2040

Arduino-Uno-compatible development board powered by the RP2040 with 16MB QSPI flash, microSD slot, STEMMA QT, onboard NeoPixel, USB-C, and an RX/TX switch for serial flexibility.

[Details](https://openhardware.directory/devices/adafruit-metro-rp2040) | [Markdown](https://openhardware.directory/devices/adafruit-metro-rp2040/md)

## Adafruit Feather M0 RFM96 LoRa 433 MHz

ATSAMD21G18 ARM Cortex-M0+ Feather board with RFM96W SX1278 LoRa radio for 433 MHz. Achieves 2+ km range, supports LoRaWAN, 256KB flash, 32KB RAM, native USB, and built-in LiPo charger.

[Details](https://openhardware.directory/devices/adafruit-feather-m0-rfm96-lora-433) | [Markdown](https://openhardware.directory/devices/adafruit-feather-m0-rfm96-lora-433/md)

## ESP32-S2-WROVER-I Module with uFL

Bare WiFi module with ESP32-S2 Xtensa LX7 @ 240MHz, 4MB Flash, 2MB PSRAM, 802.11b/g/n, native USB OTG, and a uFL connector for an external antenna. Drop-in variant of the WROVER for improved RF range.

[Details](https://openhardware.directory/devices/esp32-s2-wrover-i-module-with-ufl) | [Markdown](https://openhardware.directory/devices/esp32-s2-wrover-i-module-with-ufl/md)

## Adafruit ESP32-S3 Feather (8MB Flash, No PSRAM)

Feather-format ESP32-S3 dual-core 240 MHz board with 8 MB flash, native USB-C, BLE, WiFi, STEMMA QT, LiPoly charging, and MAX17048 — no PSRAM variant for leaner memory budgets.

[Details](https://openhardware.directory/devices/adafruit-esp32-s3-feather-8mb) | [Markdown](https://openhardware.directory/devices/adafruit-esp32-s3-feather-8mb/md)

## Adafruit ItsyBitsy M4 Express

High-performance compact board with ATSAMD51 Cortex M4F at 120MHz, 192KB RAM, 512KB flash, 2MB SPI flash, dual 12-bit DAC/ADC, 18 PWM outputs, AES-256 crypto, and native USB. Measures 36mm × 18mm.

[Details](https://openhardware.directory/devices/adafruit-itsybitsy-m4-express) | [Markdown](https://openhardware.directory/devices/adafruit-itsybitsy-m4-express/md)

## ESP32-C3-DevKit-RUST-2

Espressif RISC-V dev board optimized for Rust programming, featuring ESP32-C3-MINI-1 with 4MB flash, Wi-Fi, BT5, onboard ICM-42670-P IMU, SHTC3 temperature/humidity sensor, and USB-C.

[Details](https://openhardware.directory/devices/esp32-c3-devkit-rust-2) | [Markdown](https://openhardware.directory/devices/esp32-c3-devkit-rust-2/md)

## Adafruit QT Py ESP32-S2

Tiny Seeed XIAO-compatible ESP32-S2 dev board with 4 MB flash, 2 MB PSRAM, native USB-C, STEMMA QT, WiFi, 13 GPIO, and 10 ADC inputs — no Bluetooth, all in a 21.8 × 17.9 mm footprint.

[Details](https://openhardware.directory/devices/adafruit-qt-py-esp32-s2) | [Markdown](https://openhardware.directory/devices/adafruit-qt-py-esp32-s2/md)

## ESP32-S2 Saola 1R Dev Kit

Espressif official ESP32-S2-WROVER development board with dual 20-pin headers (breadboard-friendly), 8MB Flash, 2MB PSRAM, WiFi, dual Micro-USB (native USB + UART bridge), NeoPixel RGB LED, and boot/reset buttons.

[Details](https://openhardware.directory/devices/esp32-s2-saola-1r-dev-kit) | [Markdown](https://openhardware.directory/devices/esp32-s2-saola-1r-dev-kit/md)

## Adafruit Feather M4 Express

High-performance Feather with ATSAMD51J19 Cortex M4F at 120MHz, 192KB RAM, 512KB flash, 2MB SPI flash, dual 12-bit DAC/ADC, AES-256 hardware crypto, LiPo charging, 21 GPIO, and native USB HID. Feather ecosystem compatible.

[Details](https://openhardware.directory/devices/adafruit-feather-m4-express) | [Markdown](https://openhardware.directory/devices/adafruit-feather-m4-express/md)

## Adafruit Feather 32u4 Basic Proto

Feather-format ATmega32u4 board at 8 MHz, 3.3V with LiPo charging, native USB, onboard prototyping area, 20 GPIO, JST battery connector, and 100mA integrated charger — all in 51×23mm.

[Details](https://openhardware.directory/devices/adafruit-feather-32u4-basic-proto) | [Markdown](https://openhardware.directory/devices/adafruit-feather-32u4-basic-proto/md)

## Arduino UNO Mini Limited Edition

Miniaturised collector's Arduino UNO with ATmega328P at 16 MHz in a 34.2 × 26.7 mm form factor with USB-C, individually numbered and signed by Arduino's founders.

[Details](https://openhardware.directory/devices/arduino-uno-mini-limited-edition) | [Markdown](https://openhardware.directory/devices/arduino-uno-mini-limited-edition/md)

## ESP32-S2 Kaluga Dev Kit

Espressif's multimedia-focused ESP32-S2 evaluation platform bundling four extension boards: audio player, capacitive touch panel, 3.2" LCD display, and camera module. Designed to showcase ESP32-S2 human-computer interaction features.

[Details](https://openhardware.directory/devices/esp32-s2-kaluga-dev-kit) | [Markdown](https://openhardware.directory/devices/esp32-s2-kaluga-dev-kit/md)

## ESP32-S3 Korvo 2 Audio Dev Board

Espressif audio and multimedia development board with ESP32-S3, dual-microphone array for far-field wake-word detection, camera support, LCD interface, microSD, and Wi-Fi + BLE.

[Details](https://openhardware.directory/devices/esp32-s3-korvo-2) | [Markdown](https://openhardware.directory/devices/esp32-s3-korvo-2/md)

## ESP32-C3 DevKitM-01

Espressif official RISC-V ESP32-C3 dev board with ESP32-C3-MINI-1 module, 4 MB embedded SPI Flash, WiFi 4, BLE 5, Micro-USB, RGB LED, and a compact footprint for IoT prototyping.

[Details](https://openhardware.directory/devices/esp32-c3-devkitm-01) | [Markdown](https://openhardware.directory/devices/esp32-c3-devkitm-01/md)

## Adafruit Feather M0 Basic Proto

Feather-format ATSAMD21 ARM Cortex-M0+ board at 48 MHz, 3.3V with 256KB flash, 32KB RAM, LiPo charging, native USB, 12-bit ADC/DAC, and RTC crystal — lightweight and CircuitPython-capable.

[Details](https://openhardware.directory/devices/adafruit-feather-m0-basic-proto) | [Markdown](https://openhardware.directory/devices/adafruit-feather-m0-basic-proto/md)

## Espressif ESP32-S3-BOX-3

Open-source AIoT development kit with ESP32-S3, 2.4" touchscreen, dual microphones, speaker, Wi-Fi, BLE, Matter support, 16MB flash, 16MB PSRAM, and a high-density expansion connector.

[Details](https://openhardware.directory/devices/esp32-s3-box-3) | [Markdown](https://openhardware.directory/devices/esp32-s3-box-3/md)

## Adafruit HalloWing M0 Express

Skull-shaped wearable microcontroller with ATSAMD21G18 at 48MHz, 1.44" 128x128 TFT display, 3-axis accelerometer, light sensor, 4 capacitive touch pads, 2W speaker driver, 8MB SPI flash, and LiPo charging.

[Details](https://openhardware.directory/devices/adafruit-hallowing-m0-express) | [Markdown](https://openhardware.directory/devices/adafruit-hallowing-m0-express/md)

## Adafruit QT Py ESP32-S2 with uFL Antenna

QT Py-sized ESP32-S2 dev board with a uFL connector for an external 2.4 GHz antenna, 4 MB flash, 2 MB PSRAM, native USB-C, STEMMA QT, and 13 GPIO — for improved WiFi range.

[Details](https://openhardware.directory/devices/adafruit-qt-py-esp32-s2-ufl) | [Markdown](https://openhardware.directory/devices/adafruit-qt-py-esp32-s2-ufl/md)

## Adafruit Feather M4 CAN Express

CAN-bus-capable Feather with ATSAME51J19 ARM Cortex-M4F @ 120MHz, built-in CAN transceiver + 5V booster, USB-C, 21 GPIO, 2MB SPI Flash, dual DAC, and LiPo charging. Ideal for automotive and industrial CAN Bus projects.

[Details](https://openhardware.directory/devices/adafruit-feather-m4-can-express) | [Markdown](https://openhardware.directory/devices/adafruit-feather-m4-can-express/md)

## Espressif ESP32-S3-BOX-3B

ESP32-S3-BOX-3 bundle kit including the AIoT dev board with 2.4" touchscreen, dual mics, speaker, plus the DOCK stand, RGB LED module, USB-C cable, and Dupont wires.

[Details](https://openhardware.directory/devices/esp32-s3-box-3b) | [Markdown](https://openhardware.directory/devices/esp32-s3-box-3b/md)

## Adafruit Feather 32u4 Adalogger

Feather-format ATmega32u4 data logger at 8 MHz, 3.3V with onboard microSD slot, LiPo charging, native USB, 20 GPIO, and 100mA charger — built for portable data logging applications.

[Details](https://openhardware.directory/devices/adafruit-feather-32u4-adalogger) | [Markdown](https://openhardware.directory/devices/adafruit-feather-32u4-adalogger/md)

## Circuit Playground Express

All-in-one ATSAMD21 learning board with 10 NeoPixels, LIS3DH accelerometer, MEMS microphone, speaker with class D amp, IR transmit/receive, 7 capacitive touch pads, and 2MB SPI flash for CircuitPython code storage.

[Details](https://openhardware.directory/devices/circuit-playground-express) | [Markdown](https://openhardware.directory/devices/circuit-playground-express/md)

## Adafruit PyBadge LC

Low-cost credit card-sized gaming/badge board with ATSAMD51J19 at 120MHz, 1.8\" 160x128 TFT, 8 game buttons, 1 NeoPixel, light sensor, buzzer, 2MB SPI flash, and MicroSD. Supports MakeCode Arcade, CircuitPython, and Arduino.

[Details](https://openhardware.directory/devices/adafruit-pybadge-lc) | [Markdown](https://openhardware.directory/devices/adafruit-pybadge-lc/md)

## FeatherS2 ESP32-S2

Full-featured ESP32-S2 Feather-compatible board by Unexpected Maker with 16MB Flash, 8MB QSPI PSRAM, WiFi, native USB-C, 21 GPIO, STEMMA QT, APA102 RGB LED, ambient light sensor, and dual 700mA LDOs.

[Details](https://openhardware.directory/devices/feathers2-esp32-s2) | [Markdown](https://openhardware.directory/devices/feathers2-esp32-s2/md)

## Adafruit QT Py ESP32 Pico

QT Py-sized classic ESP32 board with ESP32-PICO-V3-02, 8 MB flash, 2 MB PSRAM, WiFi, dual-core, Bluetooth Classic + BLE, STEMMA QT, and 13 GPIO — without native USB.

[Details](https://openhardware.directory/devices/adafruit-qt-py-esp32-pico) | [Markdown](https://openhardware.directory/devices/adafruit-qt-py-esp32-pico/md)

## Adafruit PyPortal

The Adafruit PyPortal is an all-in-one CircuitPython WiFi IoT display board featuring an ATSAMD51J20 Cortex-M4F, ESP32 WiFi coprocessor, 3.2" 320×240 color touchscreen, built-in speaker, NeoPixel, microSD, and temperature sensor — ready for internet-connected dashboards out of the box.

[Details](https://openhardware.directory/devices/adafruit-pyportal) | [Markdown](https://openhardware.directory/devices/adafruit-pyportal/md)

## Adafruit Feather M0 Adalogger

Feather-format ATSAMD21 ARM Cortex-M0+ data logger at 48 MHz, 3.3V with microSD slot, 256KB flash, 32KB RAM, LiPo charging, native USB, and 12-bit ADC — 32-bit power for field data collection.

[Details](https://openhardware.directory/devices/adafruit-feather-m0-adalogger) | [Markdown](https://openhardware.directory/devices/adafruit-feather-m0-adalogger/md)

## Adafruit ESP32-S3 Feather 8MB w.FL Antenna

ESP32-S3 Feather board with 8MB flash, w.FL external antenna connector (MHF3/IPEX3), native USB-C, MAX17048 battery monitor, LiPo charging, NeoPixel, and STEMMA QT.

[Details](https://openhardware.directory/devices/adafruit-feather-esp32-s3-8mb-wfl) | [Markdown](https://openhardware.directory/devices/adafruit-feather-esp32-s3-8mb-wfl/md)

## Adafruit Metro ESP32-S2

Arduino Uno-compatible WiFi dev board with ESP32-S2 single-core @ 240MHz, 4MB Flash, 2MB PSRAM, native USB-C, STEMMA QT, LiPoly charging, MAX17048 fuel gauge, barrel jack, and UNO shield compatibility.

[Details](https://openhardware.directory/devices/adafruit-metro-esp32-s2) | [Markdown](https://openhardware.directory/devices/adafruit-metro-esp32-s2/md)

## TinyS3 ESP32-S3

Ultra-compact ESP32-S3 dev board by Unexpected Maker in the TinyPICO form factor — dual-core 240 MHz LX7, 8 MB Flash, 8 MB PSRAM, WiFi, BLE 5, 17 GPIO, LiPo charging at 35 × 17.8 mm.

[Details](https://openhardware.directory/devices/tinys3-esp32-s3) | [Markdown](https://openhardware.directory/devices/tinys3-esp32-s3/md)

## Adafruit ItsyBitsy ESP32 PCB Antenna

Compact ItsyBitsy-format ESP32 board with 8MB flash, 2MB PSRAM, PCB antenna, Wi-Fi + Bluetooth Classic + BLE, 20 GPIO, NeoPixel, STEMMA QT, and Micro-B USB.

[Details](https://openhardware.directory/devices/adafruit-itsybitsy-esp32-pcb) | [Markdown](https://openhardware.directory/devices/adafruit-itsybitsy-esp32-pcb/md)

## Pycom WiPy 3.0

ESP32-based MicroPython IoT module with 802.11b/g/n WiFi, Bluetooth LE and Classic, 8MB flash, 4MB RAM, and ultra-low power ULP co-processor for deep-sleep GPIO monitoring at 25 µA.

[Details](https://openhardware.directory/devices/pycom-wipy-30) | [Markdown](https://openhardware.directory/devices/pycom-wipy-30/md)

## FeatherS3 ESP32-S3

Pro ESP32-S3 Feather-form-factor board by Unexpected Maker — dual-core 240 MHz LX7, 16 MB Flash, 8 MB PSRAM, WiFi, BLE 5, 21 GPIO, 2× STEMMA connectors, dual LDOs, LiPo charging.

[Details](https://openhardware.directory/devices/feathers3-esp32-s3) | [Markdown](https://openhardware.directory/devices/feathers3-esp32-s3/md)

## Adafruit Feather HUZZAH ESP8266

All-in-one ESP8266 WiFi Feather board at 80 MHz with 802.11 b/g/n, USB-serial (CP2104), LiPo charging, 9 GPIO, and 4MB flash — the easiest way to add WiFi to a portable battery-powered project.

[Details](https://openhardware.directory/devices/adafruit-feather-huzzah-esp8266) | [Markdown](https://openhardware.directory/devices/adafruit-feather-huzzah-esp8266/md)

## Raspberry Pi Compute Module 3+

The Raspberry Pi Compute Module 3+ is a SODIMM-form-factor system-on-module with the BCM2837B0 quad-core Cortex-A53 at 1.2GHz, 1GB LPDDR2 RAM, and eMMC storage variants of 8GB, 16GB, 32GB, or the storage-free Lite version for custom-PCB industrial designs.

[Details](https://openhardware.directory/devices/raspberry-pi-compute-module-3) | [Markdown](https://openhardware.directory/devices/raspberry-pi-compute-module-3/md)

## Adafruit ItsyBitsy ESP32 wFL Antenna

Compact ItsyBitsy-format ESP32 board with 8MB flash, 2MB PSRAM, w.FL external antenna connector, Wi-Fi + Bluetooth Classic + BLE, 20 GPIO, NeoPixel, STEMMA QT, and Micro-B USB.

[Details](https://openhardware.directory/devices/adafruit-itsybitsy-esp32-wfl) | [Markdown](https://openhardware.directory/devices/adafruit-itsybitsy-esp32-wfl/md)

## Pycom LoPy 1.0

ESP32-based MicroPython module combining 802.11b/g/n WiFi, Bluetooth, and LoRa/LoRaWAN (868/915 MHz) in one board. Can act as a nano LoRa gateway and is 100% Python programmable for multi-protocol IoT deployments.

[Details](https://openhardware.directory/devices/pycom-lopy-10) | [Markdown](https://openhardware.directory/devices/pycom-lopy-10/md)

## BBC micro:bit v2

Upgraded BBC micro:bit with Nordic nRF52833 Cortex-M4F, Bluetooth 5.1, 5×5 LED matrix, 2 buttons, capacitive touch logo, built-in speaker and MEMS microphone, edge connector, and low-power mode. Same form factor as v1.

[Details](https://openhardware.directory/devices/bbc-micro-bit-v2) | [Markdown](https://openhardware.directory/devices/bbc-micro-bit-v2/md)

## ProS3 ESP32-S3

Unexpected Maker's ultimate ESP32-S3 dev board — dual-core 240 MHz LX7, 16 MB Flash, 8 MB PSRAM, WiFi, BLE 5, 27 GPIO, 2× LDOs, castellated headers, STEMMA, LiPo charging, JTAG.

[Details](https://openhardware.directory/devices/pros3-esp32-s3) | [Markdown](https://openhardware.directory/devices/pros3-esp32-s3/md)

## Adafruit Feather 32u4 Bluefruit LE

Feather-format ATmega32u4 board with integrated nRF51822 Bluetooth LE, LiPo charging, native USB, 20 GPIO, and over-the-air firmware updates — an all-in-one BLE development board for iOS and Android connectivity.

[Details](https://openhardware.directory/devices/adafruit-feather-32u4-bluefruit-le) | [Markdown](https://openhardware.directory/devices/adafruit-feather-32u4-bluefruit-le/md)

## Adafruit Monster M4SK

The Adafruit Monster M4SK is a wearable dual-display Halloween mask board powered by ATSAMD51 Cortex-M4F at 120MHz with 8MB flash, two 240×240 IPS TFT eye displays, stereo audio, microphone, STEMMA connectors, and LiPo battery support for animated eye and mask projects.

[Details](https://openhardware.directory/devices/adafruit-monster-m4sk) | [Markdown](https://openhardware.directory/devices/adafruit-monster-m4sk/md)

## Adafruit Metro RP2350

Arduino-Uno-compatible board with RP2350, dual ARM Cortex-M33 at 150 MHz, 520KB SRAM, 16MB QSPI flash, microSD, HSTX port, 23 GPIO on headers, NeoPixel, STEMMA QT, and USB-C.

[Details](https://openhardware.directory/devices/adafruit-metro-rp2350) | [Markdown](https://openhardware.directory/devices/adafruit-metro-rp2350/md)

## Adafruit Metro M4 Express AirLift

Arduino Uno-compatible board with ATSAMD51J19 Cortex M4F at 120MHz, ESP32 AirLift WiFi co-processor with TLS/SSL, 512KB flash, 192KB RAM, 2MB QSPI flash, 25 GPIO, dual DAC/ADC, and native USB. Arduino shield compatible.

[Details](https://openhardware.directory/devices/adafruit-metro-m4-airlift) | [Markdown](https://openhardware.directory/devices/adafruit-metro-m4-airlift/md)

## Adafruit QT Py ESP32-C3

Tiny RISC-V ESP32-C3 dev board in the QT Py / Seeed XIAO footprint with 4 MB flash, WiFi, BLE 5 with Mesh, STEMMA QT, 13 GPIO, 5 ADC inputs, and USB-C — no native USB.

[Details](https://openhardware.directory/devices/adafruit-qt-py-esp32-c3) | [Markdown](https://openhardware.directory/devices/adafruit-qt-py-esp32-c3/md)

## Arduino Zero

32-bit ARM Cortex-M0+ Arduino in UNO form factor with ATSAMD21G18 at 48 MHz, 256KB flash, 32KB SRAM, onboard EDBG debugger, dual USB ports, 12-bit ADC/DAC — designed for IoT, wearables, and robotics.

[Details](https://openhardware.directory/devices/arduino-zero) | [Markdown](https://openhardware.directory/devices/arduino-zero/md)

## Raspberry Pi Compute Module 4

Industrial-grade embedded computer module with BCM2711 quad-core Cortex-A72 @ 1.5GHz, 1–8GB LPDDR4 RAM, optional 8–32GB eMMC and optional dual-band WiFi + Bluetooth 5.0. Available in 32 hardware variants on dual high-density connectors.

[Details](https://openhardware.directory/devices/raspberry-pi-compute-module-4) | [Markdown](https://openhardware.directory/devices/raspberry-pi-compute-module-4/md)

## Adafruit QT Py ESP32-S3

Tiny dual-core ESP32-S3 dev board in the QT Py / Seeed XIAO footprint — 8 MB flash, WiFi, BLE 5, native USB-C, STEMMA QT, 13 GPIO, 10 ADC inputs, no PSRAM variant.

[Details](https://openhardware.directory/devices/adafruit-qt-py-esp32-s3) | [Markdown](https://openhardware.directory/devices/adafruit-qt-py-esp32-s3/md)

## Adafruit Feather nRF52840 Express

Feather board with nRF52840 ARM Cortex-M4F at 64MHz, BLE 5.0, native USB (CDC/HID/MIDI/MSC), 1MB flash, 256KB SRAM, 2MB QSPI flash, 21 GPIO, SWD debug, and LiPo charging. Supports Arduino and CircuitPython.

[Details](https://openhardware.directory/devices/adafruit-feather-nrf52840-express) | [Markdown](https://openhardware.directory/devices/adafruit-feather-nrf52840-express/md)

## Adafruit Matrix Portal M4

The Adafruit Matrix Portal M4 is a plug-in controller for HUB75 RGB LED matrix panels, featuring an ATSAMD51J19 Cortex-M4F at 120MHz, ESP32 WiFi coprocessor with TLS/SSL, LIS3DH accelerometer, USB-C power, and STEMMA QT — designed to drive 16×32 to 64×64 LED matrices directly.

[Details](https://openhardware.directory/devices/adafruit-matrix-portal-m4) | [Markdown](https://openhardware.directory/devices/adafruit-matrix-portal-m4/md)

## Raspberry Pi CM4 IO Board

Official reference carrier board for the Raspberry Pi Compute Module 4. Exposes dual HDMI 2.0, Gigabit Ethernet, 2× USB 2.0, PCIe x1, dual camera/display FPC, microSD slot (for CM4 Lite), RTC, HAT headers, and barrel-jack power.

[Details](https://openhardware.directory/devices/raspberry-pi-cm4-io-board) | [Markdown](https://openhardware.directory/devices/raspberry-pi-cm4-io-board/md)

## Raspberry Pi Zero v1.3

Ultra-compact $10 single-board Linux computer with BCM2835 ARM at 1 GHz, 512MB RAM, micro SD, mini HDMI, two micro USB ports, and camera connector — the original Raspberry Pi Zero with camera support added in v1.3.

[Details](https://openhardware.directory/devices/raspberry-pi-zero-v1-3) | [Markdown](https://openhardware.directory/devices/raspberry-pi-zero-v1-3/md)

## Adafruit ESP32-S3 Feather (4MB Flash, 2MB PSRAM)

Feather-format ESP32-S3 board with 4 MB flash and 2 MB PSRAM, dual-core 240 MHz, native USB-C, BLE 5, WiFi, STEMMA QT, LiPoly charging, and MAX17048 battery monitor.

[Details](https://openhardware.directory/devices/adafruit-esp32-s3-feather-4mb-psram) | [Markdown](https://openhardware.directory/devices/adafruit-esp32-s3-feather-4mb-psram/md)

## Adafruit Grand Central M4 Express

Arduino Mega-form-factor board with ATSAMD51P20 Cortex M4F at 120MHz, 1MB flash, 256KB RAM, 8MB QSPI flash, 70 GPIO pins, SD card slot, 8 SERCOM, 22 PWM outputs, dual DAC/ADC, AES-256, and native USB.

[Details](https://openhardware.directory/devices/adafruit-grand-central-m4-express) | [Markdown](https://openhardware.directory/devices/adafruit-grand-central-m4-express/md)

## Adafruit Metro ESP32-S3

Arduino UNO-compatible Metro board with ESP32-S3 dual-core 240 MHz, 16 MB flash, 8 MB Octal PSRAM, WiFi, BLE 5, native USB-C, STEMMA QT, LiPoly charging, and JTAG debug header.

[Details](https://openhardware.directory/devices/adafruit-metro-esp32-s3) | [Markdown](https://openhardware.directory/devices/adafruit-metro-esp32-s3/md)

## Adafruit Metro M4 Express (ATSAMD51)

Arduino-compatible development board with ATSAMD51 ARM Cortex-M4F at 120 MHz, 512KB flash, 192KB RAM, 2MB QSPI flash, dual 1 MSPS DACs, crypto engine, NeoPixel, and native USB. CircuitPython and Arduino IDE compatible.

[Details](https://openhardware.directory/devices/adafruit-metro-m4) | [Markdown](https://openhardware.directory/devices/adafruit-metro-m4/md)

## Adafruit HUZZAH32 ESP32 Breakout

Minimal ESP32 breakout board with dual-core Xtensa LX6 at 240MHz, 520KB SRAM, 4MB flash, WiFi 802.11 b/g/n, Bluetooth Classic + BLE, 12 ADC, 2 DAC. No USB converter or battery charger — requires external FTDI/CP2104 for programming.

[Details](https://openhardware.directory/devices/adafruit-huzzah32-esp32-breakout) | [Markdown](https://openhardware.directory/devices/adafruit-huzzah32-esp32-breakout/md)

## Adafruit MagTag

The Adafruit MagTag is an ESP32-S2 WiFi e-paper IoT display board featuring a 2.9" 296×128 grayscale e-ink screen, 4 NeoPixels, LIS3DH accelerometer, 4 user buttons, STEMMA QT, USB-C, LiPo charging, and a deep-sleep current of ~250µA — ideal for low-power battery-driven IoT displays.

[Details](https://openhardware.directory/devices/adafruit-magtag) | [Markdown](https://openhardware.directory/devices/adafruit-magtag/md)

## ESP32-S3 Box Lite

Espressif AIoT dev kit — ESP32-S3, 2.4″ 320×240 display, dual MEMS microphones, speaker, 16 MB Flash, 8 MB PSRAM, WiFi, BLE 5, Pmod expansion — the dock-free Lite sibling of the ESP32-S3 Box.

[Details](https://openhardware.directory/devices/esp32-s3-box-lite) | [Markdown](https://openhardware.directory/devices/esp32-s3-box-lite/md)

## Adafruit PyBadge

Credit card-sized gaming and badge board with ATSAMD51J19 at 120MHz, 1.8\" 160x128 TFT, 8 game buttons, 5 NeoPixels, LIS3DH accelerometer, light sensor, 2W speaker, 2MB SPI flash, Feather headers, STEMMA connectors, and LiPo charging.

[Details](https://openhardware.directory/devices/adafruit-pybadge) | [Markdown](https://openhardware.directory/devices/adafruit-pybadge/md)

## Arduino MKR WiFi 1010

Compact IoT Arduino with SAMD21 Cortex-M0+ @ 48MHz, u-blox NINA-W102 WiFi + Bluetooth module, ATECC508 crypto chip, 256KB Flash, 32KB SRAM, USB full-speed, LiPo charging, and MKR shield compatibility.

[Details](https://openhardware.directory/devices/arduino-mkr-wifi-1010) | [Markdown](https://openhardware.directory/devices/arduino-mkr-wifi-1010/md)

## ESP32-S2 WROOM Module

The ESP32-S2 WROOM is an Espressif WiFi module with a single-core Xtensa LX7 at 240MHz, 4MB flash, 320KB SRAM, built-in PCB antenna, native USB OTG, and rich peripheral support — a cost-effective WiFi-only module (no Bluetooth) with USB capabilities for IoT and embedded designs.

[Details](https://openhardware.directory/devices/esp32-s2-wroom-module) | [Markdown](https://openhardware.directory/devices/esp32-s2-wroom-module/md)

## Arduino Uno R3

The quintessential beginner microcontroller board with ATmega328P @ 16MHz, 32KB Flash, 2KB SRAM, 14 digital I/O, 6 analog inputs, USB-B for programming, DC barrel jack, and the R3 expanded shield header. Open-source hardware.

[Details](https://openhardware.directory/devices/arduino-uno-r3) | [Markdown](https://openhardware.directory/devices/arduino-uno-r3/md)

## Raspberry Pi Zero W

Ultra-compact single-board computer with BCM2835 ARM11 at 1 GHz, 512MB RAM, built-in 802.11b/g/n WiFi (BCM43143), Bluetooth 4.1 LE, mini HDMI, microSD, camera connector, and 40-pin GPIO header in a 65mm × 30mm footprint.

[Details](https://openhardware.directory/devices/raspberry-pi-zero-w) | [Markdown](https://openhardware.directory/devices/raspberry-pi-zero-w/md)

## Adafruit Feather RP2040

Feather-form-factor board with Raspberry Pi RP2040 dual-core Cortex-M0+ @ 133MHz, 264KB SRAM, 8MB Flash, 21 GPIO, 4 ADC, 2 PIO peripherals, USB-C with UF2 bootloader, STEMMA QT, and LiPo charging. Runs CircuitPython and MicroPython.

[Details](https://openhardware.directory/devices/adafruit-feather-rp2040) | [Markdown](https://openhardware.directory/devices/adafruit-feather-rp2040/md)

## Adafruit Feather M0 Express

ATSAMD21G18 ARM Cortex-M0+ Feather board with 2MB SPI flash for CircuitPython code storage, built-in NeoPixel, 256KB flash, 32KB RAM, native USB, and 100mA LiPo charger. The dedicated CircuitPython Feather.

[Details](https://openhardware.directory/devices/adafruit-feather-m0-express) | [Markdown](https://openhardware.directory/devices/adafruit-feather-m0-express/md)

## DC Boarduino

The DC Boarduino is a slim, breadboard-friendly Arduino-compatible development board based on the ATmega328 at 16MHz, with a 2.1mm DC barrel jack for 7–17V input, USB-TTL serial header, ICSP programming port, and a form factor optimized for direct breadboard insertion.

[Details](https://openhardware.directory/devices/dc-boarduino) | [Markdown](https://openhardware.directory/devices/dc-boarduino/md)

## Adafruit ItsyBitsy RP2040

Tiny 36×18mm breadboard-friendly board with Raspberry Pi RP2040 dual-core Cortex-M0+ @ 133MHz, 264KB SRAM, 8MB Flash, 23 GPIO, 4 ADC, 2 PIO peripherals, and Micro-USB. Runs CircuitPython and MicroPython.

[Details](https://openhardware.directory/devices/adafruit-itsybitsy-rp2040) | [Markdown](https://openhardware.directory/devices/adafruit-itsybitsy-rp2040/md)

## Adafruit HUZZAH32 – ESP32 Feather

ESP32 dual-core 240 MHz Feather board with 802.11b/g/n WiFi, Bluetooth 4.2 Classic and BLE, 4MB flash, 520KB SRAM, 12 ADC channels, 2 DACs, capacitive touch, and built-in LiPo charger.

[Details](https://openhardware.directory/devices/adafruit-huzzah32-esp32) | [Markdown](https://openhardware.directory/devices/adafruit-huzzah32-esp32/md)

## Arduino Mega ADK

The Arduino Mega R3 ADK is an ATmega2560-based development board with 54 digital I/O, 16 analog inputs, 4 hardware UARTs, and a USB Type-A host port (Android ADK) with a power boost converter — designed for interfacing with Android smartphones as a USB host for accessory development.

[Details](https://openhardware.directory/devices/arduino-mega-adk) | [Markdown](https://openhardware.directory/devices/arduino-mega-adk/md)

## Adafruit Feather nRF52 Bluefruit LE (nRF52832)

nRF52832 ARM Cortex-M4F Feather board with native Bluetooth 5 LE at 64 MHz, 512KB flash, 64KB RAM, 8 analog inputs, 12 PWM channels, and built-in LiPo charger. FCC/IC/TELEC certified for production BLE products.

[Details](https://openhardware.directory/devices/adafruit-feather-nrf52832) | [Markdown](https://openhardware.directory/devices/adafruit-feather-nrf52832/md)

## Raspberry Pi 1 Model B

The Raspberry Pi 1 Model B is the original production Raspberry Pi single-board computer, featuring a Broadcom BCM2835 ARM1176JZF-S at 700MHz, 512MB RAM, 100Mbps Ethernet, 2 USB 2.0 ports, HDMI, 26-pin GPIO header, and an SD card slot — the board that launched the modern SBC revolution.

[Details](https://openhardware.directory/devices/raspberry-pi-1-model-b) | [Markdown](https://openhardware.directory/devices/raspberry-pi-1-model-b/md)

## Adafruit Trinket M0

Ultra-compact ATSAMD21E18 ARM Cortex-M0+ board at 48 MHz with 256KB flash, 32KB RAM, 5 GPIO pins, built-in RGB DotStar LED, capacitive touch, native USB, and CircuitPython support. Weighs just 1.4g in 27mm × 15mm form factor.

[Details](https://openhardware.directory/devices/adafruit-trinket-m0) | [Markdown](https://openhardware.directory/devices/adafruit-trinket-m0/md)

## Adafruit Feather 32u4 RFM69HCW (868/915 MHz)

Feather-format development board combining the ATmega32u4 microcontroller with an RFM69HCW 868/915 MHz packet radio for low-power sub-GHz wireless applications.

[Details](https://openhardware.directory/devices/adafruit-feather-32u4-rfm69hcw) | [Markdown](https://openhardware.directory/devices/adafruit-feather-32u4-rfm69hcw/md)

## ESP32-C6 DevKitC-1-N8

Official Espressif development board featuring the ESP32-C6 — a RISC-V single-core MCU with WiFi 6, BLE 5.0, Zigbee 3.0, Thread 1.3, and native Matter support. 8MB flash, USB-C JTAG/serial.

[Details](https://openhardware.directory/devices/esp32-c6-devkitc-1) | [Markdown](https://openhardware.directory/devices/esp32-c6-devkitc-1/md)

## Adafruit Feather 32u4 RFM96 LoRa (433 MHz)

Feather-format development board combining the ATmega32u4 microcontroller with an RFM96 LoRa 433 MHz transceiver for long-range, low-power IoT applications.

[Details](https://openhardware.directory/devices/adafruit-feather-32u4-rfm96) | [Markdown](https://openhardware.directory/devices/adafruit-feather-32u4-rfm96/md)

## Adafruit Feather 32u4 RFM95 LoRa (900 MHz)

Feather-format development board combining the ATmega32u4 microcontroller with an RFM95 LoRa 868/915 MHz transceiver for long-range, low-power IoT applications.

[Details](https://openhardware.directory/devices/adafruit-feather-32u4-rfm95) | [Markdown](https://openhardware.directory/devices/adafruit-feather-32u4-rfm95/md)

## ESP32-H2 DevKitM-1-N4S

Official Espressif development board for the ESP32-H2 — a RISC-V MCU purpose-built for 802.15.4 wireless protocols: BLE 5.3, Zigbee 3.0, Thread 1.3, and Matter. No WiFi. 4MB flash, USB-C with CH343P.

[Details](https://openhardware.directory/devices/esp32-h2-devkitm-1) | [Markdown](https://openhardware.directory/devices/esp32-h2-devkitm-1/md)

## Pycom LoPy

The Pycom LoPy is a compact triple-network MicroPython-programmable board featuring ESP32 with built-in WiFi, BLE 4.2, and LoRa (SX1272) on 868/915 MHz — ideal for IoT mesh networking and asset tracking.

[Details](https://openhardware.directory/devices/pycom-lopy) | [Markdown](https://openhardware.directory/devices/pycom-lopy/md)

## Adafruit ItsyBitsy ESP32

Ultra-compact ESP32 development board in the ItsyBitsy form factor with WiFi, Bluetooth Classic + BLE, USB-C, and LiPo charging — perfect for space-constrained wireless projects.

[Details](https://openhardware.directory/devices/adafruit-itsybitsy-esp32) | [Markdown](https://openhardware.directory/devices/adafruit-itsybitsy-esp32/md)

## Pycom WiPy 3.0

The Pycom WiPy 3.0 is a compact MicroPython-programmable ESP32 board with WiFi 802.11 b/g/n and Bluetooth BLE 4.2, designed for low-power wireless IoT applications and smart-home prototyping.

[Details](https://openhardware.directory/devices/pycom-wipy-3) | [Markdown](https://openhardware.directory/devices/pycom-wipy-3/md)

## Adafruit HUZZAH32 ESP32 Feather Board

Adafruit's Feather-format ESP32 board with dual-core Xtensa LX6 @ 240MHz, WiFi b/g/n, Bluetooth Classic + BLE 4.2, built-in LiPo charger, and Feather-compatible pin layout. Great all-around wireless IoT platform.

[Details](https://openhardware.directory/devices/adafruit-huzzah32-esp32-feather) | [Markdown](https://openhardware.directory/devices/adafruit-huzzah32-esp32-feather/md)

## Adafruit Matrix Portal S3

ESP32-S3 board designed to drive HUB75 LED matrix panels directly, with built-in WiFi, BLE 5.0, native USB, STEMMA QT connector, and two user buttons — ideal for dynamic digital signage and LED art displays.

[Details](https://openhardware.directory/devices/adafruit-matrix-portal-s3) | [Markdown](https://openhardware.directory/devices/adafruit-matrix-portal-s3/md)

## Adafruit Feather M0 RFM69HCW Packet Radio (868/915 MHz)

ATSAMD21G18 ARM Cortex-M0+ Feather board with RFM69HCW sub-GHz radio at 868/915 MHz. Up to +20 dBm TX power, AES-128 encryption, 256KB flash, 32KB RAM, native USB, and built-in LiPo charger.

[Details](https://openhardware.directory/devices/adafruit-feather-m0-rfm69hcw) | [Markdown](https://openhardware.directory/devices/adafruit-feather-m0-rfm69hcw/md)

## Adafruit Feather ESP32-S3

Feather-format ESP32-S3 board with native USB, WiFi, BLE 5.0, 8MB flash, LiPo charging, and full Feather ecosystem compatibility — a capable wireless development platform for CircuitPython and Arduino projects.

[Details](https://openhardware.directory/devices/adafruit-feather-esp32-s3) | [Markdown](https://openhardware.directory/devices/adafruit-feather-esp32-s3/md)

## Adafruit Feather M0 RFM96 LoRa Radio (433 MHz)

ATSAMD21G18 ARM Cortex-M0+ Feather board with RFM96 LoRa radio at 433 MHz. Spread-spectrum modulation for long-range links, 256KB flash, 32KB RAM, native USB, and built-in LiPo charger.

[Details](https://openhardware.directory/devices/adafruit-feather-m0-rfm96) | [Markdown](https://openhardware.directory/devices/adafruit-feather-m0-rfm96/md)

## Adafruit Feather M0 RFM95 LoRa Radio (868/915 MHz)

ATSAMD21G18 ARM Cortex-M0+ Feather board with RFM95 LoRa radio at 868/915 MHz. Spread-spectrum LoRa modulation for multi-kilometre range, 256KB flash, 32KB RAM, native USB, and built-in LiPo charger.

[Details](https://openhardware.directory/devices/adafruit-feather-m0-rfm95) | [Markdown](https://openhardware.directory/devices/adafruit-feather-m0-rfm95/md)

## Heltec Wireless Stick Lite V3

Compact ESP32-S3 + SX1262 LoRa development board with WiFi, BLE 5.0, and integrated battery management. Meshtastic and LoRaWAN compatible, with a slim stick form factor ideal for IoT sensor nodes and mesh networking.

[Details](https://openhardware.directory/devices/heltec-wireless-stick-lite-v3) | [Markdown](https://openhardware.directory/devices/heltec-wireless-stick-lite-v3/md)

## M5Stack FIRE V2.7

Feature-rich ESP32 IoT dev kit with 2.0" IPS display, 8MB PSRAM, 16MB flash, MPU6886 IMU, BMM150 magnetometer, 10x SK6812 RGB LEDs, microphone, speaker, microSD, 500mAh battery, and M5GO charging base.

[Details](https://openhardware.directory/devices/m5stack-fire-v2-7) | [Markdown](https://openhardware.directory/devices/m5stack-fire-v2-7/md)

## M5Stack Basic Core V2.7

Compact ESP32 IoT dev kit with 2.0" IPS LCD (320x240), 16MB flash, microSD, speaker, 110mAh battery, and three Grove ports in a stackable 54mm square enclosure.

[Details](https://openhardware.directory/devices/m5stack-basic-core-v2-7) | [Markdown](https://openhardware.directory/devices/m5stack-basic-core-v2-7/md)

## Heltec WiFi Kit 8

ESP8266-based IoT development board by Heltec with built-in 0.91-inch OLED display, Li-Po battery management, and WiFi connectivity in a compact 50.9x18.2mm form factor.

[Details](https://openhardware.directory/devices/heltec-wifi-kit-8) | [Markdown](https://openhardware.directory/devices/heltec-wifi-kit-8/md)

## M5Stack CoreS3 Lite

ESP32-S3 IoT controller with 2.0" capacitive touch IPS display, GC0308 camera, dual microphones, 1W speaker, BMI270 IMU, BMM150 magnetometer, proximity sensor, 200mAh battery, and Grove expansion ports.

[Details](https://openhardware.directory/devices/m5stack-cores3-lite) | [Markdown](https://openhardware.directory/devices/m5stack-cores3-lite/md)

## Heltec HT1303

A mini-PCIe LoRaWAN concentrator module based on Semtech SX1303 + SX1250, enabling easy integration of LPWAN gateway capabilities into routers, Raspberry Pi, or other platforms with standard mini-PCIe slots.

[Details](https://openhardware.directory/devices/heltec-ht1303) | [Markdown](https://openhardware.directory/devices/heltec-ht1303/md)

## M5Stack Station-Bat

Industrial ESP32 controller with 1.14" IPS LCD, 6 Grove ports, INA3221 power monitor, MPU6886 IMU, RTC, 7x SK6812 LEDs, dual 18650 battery holders, USB-A power output, and 16MB flash.

[Details](https://openhardware.directory/devices/m5stack-station-bat) | [Markdown](https://openhardware.directory/devices/m5stack-station-bat/md)

## Heltec Sufficient IoT Hub

Linux-based IoT hub with Allwinner T113-S3 dual-core ARM Cortex-A7 SoC, LoRa (SX1262), WiFi, Ethernet, and optional LTE. Runs Debian 10 with a dedicated IoT OS, CLI, and web UI for no-code device management.

[Details](https://openhardware.directory/devices/heltec-sufficient-iot-hub) | [Markdown](https://openhardware.directory/devices/heltec-sufficient-iot-hub/md)

## M5Stack StamPLC

ESP32-S3 industrial PLC controller with 1.14" IPS LCD, 4 relays, 8 opto-isolated inputs, RS-485, CAN bus, INA226 power monitor, RTC, buzzer, microSD, and DIN-rail mounting in a compact enclosure.

[Details](https://openhardware.directory/devices/m5stack-stamplc) | [Markdown](https://openhardware.directory/devices/m5stack-stamplc/md)

## Heltec Wireless Shell V3

Ultra-compact ESP32-S3 + SX1262 LoRa module with stamp-hole design for direct PCB integration, supporting WiFi, BLE 5, and LoRa at 470-928MHz with deep sleep current under 10uA.

[Details](https://openhardware.directory/devices/heltec-wireless-shell-v3) | [Markdown](https://openhardware.directory/devices/heltec-wireless-shell-v3/md)

## M5Stack AtomS3R

Ultra-compact ESP32-S3 dev board (24x24mm) with 0.85" IPS LCD, BMI270 IMU, BMM150 magnetometer, 8MB PSRAM, IR transmitter, LP5562 RGB LED driver, and Grove port for IoT and robotics.

[Details](https://openhardware.directory/devices/m5stack-atoms3r) | [Markdown](https://openhardware.directory/devices/m5stack-atoms3r/md)

## Heltec CubeCell AM02 Module Plus

Ultra-compact LoRa/LoRaWAN module based on the ASR6502 SoC (ARM Cortex-M0+ @ 48MHz + SX1262), designed for SMT integration into custom IoT sensor nodes with 3.5uA deep sleep current.

[Details](https://openhardware.directory/devices/heltec-cubecell-am02-module-plus) | [Markdown](https://openhardware.directory/devices/heltec-cubecell-am02-module-plus/md)

## Heltec HT-HC32 Wi-Fi HaLow Camera

ESP32-S3 development board with integrated camera and Wi-Fi HaLow (802.11ah) module for long-range wireless video transmission up to 1-2km at speeds up to 32 Mbps. Features USB-C, SD card slot, and LiPo battery charging.

[Details](https://openhardware.directory/devices/heltec-ht-hc32) | [Markdown](https://openhardware.directory/devices/heltec-ht-hc32/md)

## Heltec MeshPocket

Qi2 magnetic wireless charging power bank with integrated Meshtastic mesh networking node, featuring nRF52840 BLE + SX1262 LoRa radio and a 2.13" e-ink display. Available in 5000mAh and 10000mAh configurations.

[Details](https://openhardware.directory/devices/heltec-meshpocket) | [Markdown](https://openhardware.directory/devices/heltec-meshpocket/md)

## Heltec CubeCell AB01 Dev-Board (V2)

Ultra-low power LoRa/LoRaWAN development board based on the ASR6502 SiP (ARM Cortex-M0+ @ 48MHz + SX1262), with USB-C, solar panel support, and 3.5uA deep sleep current. Ideal for remote environmental sensing and battery-powered IoT nodes.

[Details](https://openhardware.directory/devices/heltec-cubecell-ab01-v2) | [Markdown](https://openhardware.directory/devices/heltec-cubecell-ab01-v2/md)

## Heltec ESP32-C3 Arduino Development Board

Ultra-compact RISC-V development board with ESP32-C3FN4, WiFi, BLE 5.0, integrated battery management, and USB-C — ideal for low-power IoT sensor nodes and wireless prototyping.

[Details](https://openhardware.directory/devices/heltec-esp32-c3) | [Markdown](https://openhardware.directory/devices/heltec-esp32-c3/md)

## Heltec CubeCell 1/2AA Node (HTCC-AB02A)

Ultra-low-power LoRa/LoRaWAN development node based on the ASR6502 SoC (ARM Cortex-M0+ @ 48MHz + SX1262), with a built-in 1/2AA battery holder, 3.5uA deep sleep, and Arduino compatibility. Ideal for remote sensor deployments.

[Details](https://openhardware.directory/devices/heltec-cubecell-htcc-ab02a) | [Markdown](https://openhardware.directory/devices/heltec-cubecell-htcc-ab02a/md)

## Heltec WiFi Kit 32 (V3)

ESP32-S3-based IoT development board with built-in 0.96" OLED display, lithium battery management, WiFi and Bluetooth 5.0 connectivity, and USB-C interface in a compact 50mm form factor.

[Details](https://openhardware.directory/devices/heltec-wifi-kit-32-v3) | [Markdown](https://openhardware.directory/devices/heltec-wifi-kit-32-v3/md)

## Heltec CubeCell GPS-6502 (HTCC-AB02S)

LoRa + GPS development board based on ASR6502 SiP (ARM Cortex-M0+ with SX1262), featuring integrated AIR530Z GPS/BeiDou module, 0.96" OLED display, solar charging, and ultra-low 21uA deep sleep current for long-range IoT tracking applications.

[Details](https://openhardware.directory/devices/heltec-cubecell-gps-6502-htcc-ab02s) | [Markdown](https://openhardware.directory/devices/heltec-cubecell-gps-6502-htcc-ab02s/md)

## Heltec HRI-485X

Industrial RS-485 wireless converter with ESP32, LoRa SX1262, Ethernet, and ESPHome support. Converts RS-485/Modbus serial data to LoRa, LoRaWAN, LTE, or Ethernet for long-range industrial IoT communication. DIN rail mountable with IP65 protection and 4.5-28V wide voltage input.

[Details](https://openhardware.directory/devices/heltec-hri-485x) | [Markdown](https://openhardware.directory/devices/heltec-hri-485x/md)

## Heltec HT-DE01 Multi Size E-Ink Drive Board

A compact universal e-ink driver board based on ESP32-S3FN8 with WiFi and Bluetooth connectivity, 24-pin FFC interface compatible with most e-ink displays, USB-C and LiPo battery support, and Arduino development environment.

[Details](https://openhardware.directory/devices/heltec-ht-de01) | [Markdown](https://openhardware.directory/devices/heltec-ht-de01/md)

## Heltec Wireless Tracker V2

ESP32-S3 development board with SX1262 LoRa (28dBm), UC6580 dual-frequency GNSS, 0.96" TFT display, solar charging, and Meshtastic/MeshCore support for GPS tracking and mesh networking.

[Details](https://openhardware.directory/devices/heltec-wireless-tracker-v2) | [Markdown](https://openhardware.directory/devices/heltec-wireless-tracker-v2/md)

## Heltec HT-CT62

Ultra-compact ESP32-C3 + SX1262 LoRa/LoRaWAN module with WiFi and BLE, designed for SMT integration into IoT devices. Features 10uA deep sleep, +21dBm TX power, and Meshtastic compatibility in a tiny 17.78mm stamp-hole package.

[Details](https://openhardware.directory/devices/heltec-ht-ct62) | [Markdown](https://openhardware.directory/devices/heltec-ht-ct62/md)

## Heltec Wireless Bridge

ESP32 + SX1276 LoRa multi-protocol bridge in an aluminum enclosure, converting between WiFi, Bluetooth, and LoRa with 8MB flash and 8MB PSRAM.

[Details](https://openhardware.directory/devices/heltec-wireless-bridge) | [Markdown](https://openhardware.directory/devices/heltec-wireless-bridge/md)

## Heltec HT-M7603 Indoor LoRa Gateway

Cost-effective 8-channel indoor LoRaWAN gateway based on MT7628 + SX1303/SX1250, supporting WiFi and Ethernet uplink with web-based configuration for TTN, ChirpStack, and custom MQTT servers.

[Details](https://openhardware.directory/devices/heltec-ht-m7603) | [Markdown](https://openhardware.directory/devices/heltec-ht-m7603/md)

## Heltec Wireless Tracker

ESP32-S3 development board with integrated SX1262 LoRa transceiver, UC6580 dual-frequency GNSS receiver, and 0.96-inch TFT display for IoT asset tracking, Meshtastic mesh networking, and LoRaWAN applications.

[Details](https://openhardware.directory/devices/heltec-wireless-tracker) | [Markdown](https://openhardware.directory/devices/heltec-wireless-tracker/md)

## Heltec HT-M00S Single Channel LoRa Gateway

A compact, wall-mountable single-channel LoRaWAN gateway based on the HT-CT62 module (ESP32-C3 + SX1262). Designed for indoor use with a built-in PCB antenna, it can listen to over a dozen LoRa nodes simultaneously and forward data to cloud servers via WiFi. Available in 470MHz, 868MHz, and 915MHz variants.

[Details](https://openhardware.directory/devices/heltec-ht-m00s) | [Markdown](https://openhardware.directory/devices/heltec-ht-m00s/md)

## Heltec Capsule Sensor V3

Ultra-compact IP65 waterproof LoRa sensor capsule with ESP32-S3, SX1262 LoRa, GNSS, temperature/humidity, barometric pressure, and 3-axis accelerometer. Meshtastic-compatible with 250mAh battery and over 1 year battery life.

[Details](https://openhardware.directory/devices/heltec-capsule-sensor-v3) | [Markdown](https://openhardware.directory/devices/heltec-capsule-sensor-v3/md)

## Heltec Wireless Stick V3

Compact ESP32-S3 development board with integrated SX1262 LoRa transceiver and 0.49-inch OLED display. Supports Meshtastic, LoRaWAN, WiFi, and BLE 5.0 in a breadboard-friendly form factor with battery management.

[Details](https://openhardware.directory/devices/heltec-wireless-stick-v3) | [Markdown](https://openhardware.directory/devices/heltec-wireless-stick-v3/md)

## CubeCell AM01 Module V2 (HTCC-AM01)

Ultra-compact 18x18mm LoRa/LoRaWAN module based on the ASR6502 SiP with integrated ARM Cortex-M0+ MCU and Semtech SX1262 transceiver. Features 3.5uA deep sleep, Arduino compatibility, and CE/FCC certification. Designed for SMT integration into custom IoT sensor nodes.

[Details](https://openhardware.directory/devices/heltec-cubecell-am01-v2) | [Markdown](https://openhardware.directory/devices/heltec-cubecell-am01-v2/md)

## Heltec HRI-4853

ESP32-based RS-485 to Ethernet/LTE converter (DTU) with built-in web configuration, Modbus support, DIN-rail mounting, and ESPHome compatibility for industrial IoT and Home Assistant integration.

[Details](https://openhardware.directory/devices/heltec-hri-4853) | [Markdown](https://openhardware.directory/devices/heltec-hri-4853/md)

## Heltec Vision Master E213

ESP32-S3 development board with 2.13-inch E-Paper display and optional SX1262 LoRa radio, supporting Meshtastic, LoRaWAN, Arduino, and MicroPython. Features WiFi, BLE 5.0, ultra-low 20uA deep sleep, lithium battery management, and dual SH2.0 sensor ports.

[Details](https://openhardware.directory/devices/heltec-vision-master-e213) | [Markdown](https://openhardware.directory/devices/heltec-vision-master-e213/md)

## Heltec Vision Master E290

ESP32-S3 development board with 2.9-inch e-ink display and optional SX1262 LoRa radio, featuring Raspberry Pi GPIO header, Meshtastic support, and 18uA deep sleep for battery-powered IoT and mesh networking applications.

[Details](https://openhardware.directory/devices/heltec-vision-master-e290) | [Markdown](https://openhardware.directory/devices/heltec-vision-master-e290/md)

## Heltec Vision Master T190

ESP32-S3 development board with optional SX1262 LoRa module and 1.9-inch TFT color display. Supports Meshtastic, LoRaWAN, Arduino, MicroPython, and features integrated battery management with 18uA deep sleep.

[Details](https://openhardware.directory/devices/heltec-vision-master-t190) | [Markdown](https://openhardware.directory/devices/heltec-vision-master-t190/md)

## Heltec Wireless Paper

ESP32-S3 + SX1262 LoRa E-Ink development board with 2.13" e-paper display, WiFi, BLE 5.0, and LoRa connectivity. Designed for electronic shelf labels, Meshtastic mesh nodes, and low-power IoT sensor displays.

[Details](https://openhardware.directory/devices/heltec-wireless-paper) | [Markdown](https://openhardware.directory/devices/heltec-wireless-paper/md)

## Heltec HT-M2802 Indoor LoRa Gateway

Indoor edge computing LoRaWAN gateway with Rockchip RK3566 quad-core Cortex-A55 processor, SX1303+SX1250 8-channel LoRa radio, 2GB DDR4, 32GB eMMC, Gigabit Ethernet, dual-band WiFi, Bluetooth 4.0, and pre-installed Debian Linux with Docker support.

[Details](https://openhardware.directory/devices/heltec-ht-m2802) | [Markdown](https://openhardware.directory/devices/heltec-ht-m2802/md)

## Heltec Mesh Node T114

Compact nRF52840 + SX1262 LoRa development board with BLE 5.0, optional 1.14" TFT display and L76K GPS module. Designed for Meshtastic mesh networking, LoRaWAN, and battery-powered IoT deployments with ultra-low 11uA deep sleep current and solar panel support.

[Details](https://openhardware.directory/devices/heltec-mesh-node-t114) | [Markdown](https://openhardware.directory/devices/heltec-mesh-node-t114/md)

## Heltec HT-M02 Edge LoRa Gateway (V2)

IP66 waterproof edge computing LoRaWAN gateway with Rockchip RK3566 quad-core Cortex-A55 SoC, SX1303+SX1250 8-channel LoRa concentrator, 2GB DDR4, 32GB eMMC, pre-installed Debian Linux with Docker, and optional LTE/WiFi/PoE connectivity.

[Details](https://openhardware.directory/devices/heltec-ht-m02-v2) | [Markdown](https://openhardware.directory/devices/heltec-ht-m02-v2/md)

## CubeCell Dev-Board Plus (HTCC-AB02)

Heltec CubeCell HTCC-AB02 is an ultra-low-power LoRa/LoRaWAN development board based on the ASR6502 SoC (ARM Cortex-M0+ with integrated SX1262), featuring a 0.96" OLED display, solar panel input, and lithium battery management. Ideal for long-range IoT sensor nodes and agricultural monitoring.

[Details](https://openhardware.directory/devices/heltec-cubecell-htcc-ab02) | [Markdown](https://openhardware.directory/devices/heltec-cubecell-htcc-ab02/md)

## Heltec HT-H7608 V2

WiFi HaLow (802.11ah) router and IoT gateway with 2.4GHz dual-band, up to 1km+ range, mesh networking, Ethernet, and OpenWrt-compatible MT7628 SoC.

[Details](https://openhardware.directory/devices/heltec-ht-h7608) | [Markdown](https://openhardware.directory/devices/heltec-ht-h7608/md)

## Heltec Turtle Board

Ultra-low-power LoRa development board with STM32L432KC ARM Cortex-M4 MCU and SX1276 transceiver, capable of 10-year battery life on AAA cells using the RadioShuttle peer-to-peer protocol.

[Details](https://openhardware.directory/devices/heltec-turtle-board) | [Markdown](https://openhardware.directory/devices/heltec-turtle-board/md)

## Heltec HT-M00 Dual Channel LoRa Gateway

A compact, low-cost dual-channel LoRaWAN gateway based on ESP32 and dual SX1276 transceivers, designed for indoor LoRa coverage of 1500-2000 square meters with support for SF7-SF12 spreading factors and LoRaWAN Class A/C protocols.

[Details](https://openhardware.directory/devices/heltec-ht-m00) | [Markdown](https://openhardware.directory/devices/heltec-ht-m00/md)

## Heltec HT-M01S Indoor LoRa Gateway (Rev.2.0)

Compact 8-channel LoRaWAN gateway based on ESP32 and SX1303 + SX1250, with WiFi and Ethernet backhaul, 1.8-inch TFT display, and aluminum housing. Supports LoRaWAN Class A/C, TTN, and ChirpStack.

[Details](https://openhardware.directory/devices/heltec-ht-m01s-v2) | [Markdown](https://openhardware.directory/devices/heltec-ht-m01s-v2/md)

## Heltec LoRa Kit 151

Ultra-low-power LoRaWAN development kit based on STM32L151CBU6 ARM Cortex-M3 MCU and Semtech SX1278 LoRa transceiver, with 6uA deep sleep current, integrated battery management, and CE certification.

[Details](https://openhardware.directory/devices/heltec-lora-kit-151) | [Markdown](https://openhardware.directory/devices/heltec-lora-kit-151/md)

## BeagleBone AI-64

Powerful open-source AI/ML single board computer featuring TI TDA4VM SoC with dual Arm Cortex-A72 at 2.0 GHz, 8 TOPS deep-learning accelerator, C7x DSP, 4GB LPDDR4, 16GB eMMC, USB 3.0, Gigabit Ethernet, and BeagleBone cape compatibility.

[Details](https://openhardware.directory/devices/beaglebone-ai-64) | [Markdown](https://openhardware.directory/devices/beaglebone-ai-64/md)

## BeagleBone Black

Low-cost, community-supported ARM Cortex-A8 development platform with 512MB DDR3L, 4GB eMMC, HDMI, USB, 10/100M Ethernet, 2x PRUs, and expandable via BeagleBone capes. Boots Linux in under 10 seconds.

[Details](https://openhardware.directory/devices/beaglebone-black) | [Markdown](https://openhardware.directory/devices/beaglebone-black/md)

## BeagleBone Black Industrial

Industrial-rated BeagleBone Black with extended temperature range (-40°C to +85°C), TI Sitara AM3358 ARM Cortex-A8 at 1 GHz, full cape and software compatibility, for harsh environment deployments.

[Details](https://openhardware.directory/devices/beaglebone-black-industrial) | [Markdown](https://openhardware.directory/devices/beaglebone-black-industrial/md)

## Arduino UNO R4 WiFi

Arduino's flagship UNO board upgraded with Renesas RA4M1 ARM Cortex-M4F at 48MHz, ESP32-S3 WiFi/BLE 5.0, built-in 12×8 LED matrix, 12-bit DAC, CAN bus, op-amp, and Qwiic connector — all in the classic UNO form factor at 5V.

[Details](https://openhardware.directory/devices/arduino-uno-r4-wifi) | [Markdown](https://openhardware.directory/devices/arduino-uno-r4-wifi/md)

## BeagleV-Ahead

Open-source RISC-V single board computer with Alibaba T-Head TH1520 quad-core Xuantie C910 at 2GHz, 4 TOPS NPU, 4GB LPDDR4, 16GB eMMC, WiFi/Bluetooth, Gigabit Ethernet, micro-HDMI, and BeagleBone cape headers.

[Details](https://openhardware.directory/devices/beaglev-ahead) | [Markdown](https://openhardware.directory/devices/beaglev-ahead/md)

## BeagleV-Fire

RISC-V + FPGA single board computer powered by Microchip PolarFire MPFS025T with 4x RV64GC U54 cores at 667MHz, 23K FPGA logic elements, 2GB LPDDR4, 16GB eMMC, Gigabit Ethernet, M.2 E-Key, and BeagleBone cape headers.

[Details](https://openhardware.directory/devices/beaglev-fire) | [Markdown](https://openhardware.directory/devices/beaglev-fire/md)

## Arduino UNO R4 Minima

The affordable entry to Arduino's R4 generation — Renesas RA4M1 ARM Cortex-M4F at 48MHz with 256KB flash, 32KB SRAM, 12-bit DAC, CAN bus, op-amp, and USB-C in the classic UNO form factor at 5V. No wireless, pure microcontroller power.

[Details](https://openhardware.directory/devices/arduino-uno-r4-minima) | [Markdown](https://openhardware.directory/devices/arduino-uno-r4-minima/md)

## Arduino Nano ESP32

Arduino Nano form factor powered by ESP32-S3 with WiFi 802.11 b/g/n, Bluetooth LE 5.0, dual-core Xtensa LX7 at 240MHz, 8MB flash, 512KB SRAM, USB-C, and HID support — Arduino's compact IoT powerhouse with MicroPython support.

[Details](https://openhardware.directory/devices/arduino-nano-esp32) | [Markdown](https://openhardware.directory/devices/arduino-nano-esp32/md)

## Arduino Nano Every

Compact 45×18mm Arduino Nano with ATMega4809 at 20MHz — 48KB flash, 6KB SRAM, 5V logic, 14 digital I/O (5 PWM), 8 analog inputs, and USB-C. A modern, affordable 8-bit board for embedded projects and breadboard prototyping.

[Details](https://openhardware.directory/devices/arduino-nano-every) | [Markdown](https://openhardware.directory/devices/arduino-nano-every/md)

## Arduino GIGA R1 WiFi

Arduino's most powerful board — dual-core STM32H747XI with Cortex-M7 at 480MHz + Cortex-M4 at 240MHz, 2MB flash, 1MB RAM, WiFi, Bluetooth, 76 GPIO, USB-A + USB-C, 3.5mm audio jack, camera connector, and CAN bus in Mega/Due form factor.

[Details](https://openhardware.directory/devices/arduino-giga-r1-wifi) | [Markdown](https://openhardware.directory/devices/arduino-giga-r1-wifi/md)

## Arduino Nano 33 BLE Sense Rev2

Sensor-packed Nano board with nRF52840 ARM Cortex-M4F at 64MHz, BLE 5.0, 9-axis IMU, microphone, temperature, humidity, pressure, light, and gesture sensors — designed for TinyML and edge AI projects in a 45×18mm form factor.

[Details](https://openhardware.directory/devices/arduino-nano-33-ble-sense-rev2) | [Markdown](https://openhardware.directory/devices/arduino-nano-33-ble-sense-rev2/md)

## Arduino Nano RP2040 Connect

Nano form factor board with RP2040 dual-core Cortex-M0+ at 133MHz, 16MB flash, 264KB SRAM, WiFi 802.11 b/g/n and BLE via u-blox NINA-W102, built-in 6-axis IMU and microphone, 22 digital I/O with 20 PWM channels.

[Details](https://openhardware.directory/devices/arduino-nano-rp2040-connect) | [Markdown](https://openhardware.directory/devices/arduino-nano-rp2040-connect/md)

## Arduino Nano R4

The newest Arduino Nano — Renesas RA4M1 ARM Cortex-M4F at 48MHz with 256KB flash, 32KB SRAM, Qwiic connector, RGB LED, castellated pins, and USB-C in an ultra-compact 43×17mm form factor. No wireless, pure embedded power.

[Details](https://openhardware.directory/devices/arduino-nano-r4) | [Markdown](https://openhardware.directory/devices/arduino-nano-r4/md)

## Arduino UNO Q

Arduino's first Linux-capable UNO — Qualcomm Dragonwing QRB2210 quad-core Cortex-A53 + STM32U585 real-time co-processor, 2GB/4GB RAM, 16GB eMMC, WiFi 5, Bluetooth 5.1, 8×13 LED matrix, USB-C, and AI-ready with Arduino App Lab in the classic UNO form factor.

[Details](https://openhardware.directory/devices/arduino-uno-q) | [Markdown](https://openhardware.directory/devices/arduino-uno-q/md)

## Arduino Uno Rev3

The original Arduino UNO — the world's most popular development board with ATmega328P at 16MHz, 32KB flash, 2KB SRAM, 14 digital I/O (6 PWM), 6 analog inputs, USB-B, and 5V operation. The gateway to electronics and programming for millions.

[Details](https://openhardware.directory/devices/arduino-uno-rev3) | [Markdown](https://openhardware.directory/devices/arduino-uno-rev3/md)

## Arduino Nano

The classic breadboard-friendly Arduino — ATmega328P at 16MHz, 32KB flash, 2KB SRAM, 14 digital I/O (6 PWM), 8 analog inputs, Mini-B USB, and 5V operation in a tiny 45×18mm form factor. The compact original.

[Details](https://openhardware.directory/devices/arduino-nano) | [Markdown](https://openhardware.directory/devices/arduino-nano/md)

## Arduino Stella

Arduino's Ultra-Wideband (UWB) board with nRF52840 ARM Cortex-M4F, Truesense DCU040 UWB module, BLE 5.0, and NFC — enabling centimeter-accurate indoor positioning, asset tracking, and secure proximity interactions.

[Details](https://openhardware.directory/devices/arduino-stella) | [Markdown](https://openhardware.directory/devices/arduino-stella/md)

## Arduino MKR WAN 1310

LoRa-enabled IoT board with SAMD21 ARM Cortex-M0+ at 48MHz, Murata CMWX1ZZABZ LoRa module, ECC508 crypto chip, 2MB SPI flash, onboard LiPo charger, and 104\u00b5A low-power mode — designed for long-range, battery-powered IoT sensor networks.

[Details](https://openhardware.directory/devices/arduino-mkr-wan-1310) | [Markdown](https://openhardware.directory/devices/arduino-mkr-wan-1310/md)

## Arduino Portenta X8

Industrial-grade Linux SoM with NXP i.MX 8M Mini quad-core Cortex-A53 at 1.8GHz + STM32H747 dual-core Cortex-M7/M4, 2GB RAM, WiFi/BLE, NXP SE050 hardware security, Docker containers, and OTA updates for edge computing.

[Details](https://openhardware.directory/devices/arduino-portenta-x8) | [Markdown](https://openhardware.directory/devices/arduino-portenta-x8/md)

## Arduino Portenta C33

Cost-effective Portenta module with Renesas RA6M5 ARM Cortex-M33 at 200MHz, 2MB flash, 512KB SRAM, WiFi/BLE, hardware security, and Portenta/MKR compatibility — bringing industrial IoT capabilities at a fraction of the X8 price.

[Details](https://openhardware.directory/devices/arduino-portenta-c33) | [Markdown](https://openhardware.directory/devices/arduino-portenta-c33/md)

## Arduino Nicla Voice

Tiny 22.86mm AI voice module with nRF52840 BLE 5.0, Syntiant NDP120 neural decision processor, MEMS microphone, 6-axis IMU, and magnetometer — runs always-on voice recognition and audio anomaly detection at ultra-low power.

[Details](https://openhardware.directory/devices/arduino-nicla-voice) | [Markdown](https://openhardware.directory/devices/arduino-nicla-voice/md)

## Arduino Nicla Vision

Tiny 22.86mm AI vision module with STM32H747 dual-core Cortex-M7/M4, 2MP camera, WiFi/BLE, 6-axis IMU, microphone, and time-of-flight sensor — runs TinyML image recognition and OpenMV/MicroPython at the edge.

[Details](https://openhardware.directory/devices/arduino-nicla-vision) | [Markdown](https://openhardware.directory/devices/arduino-nicla-vision/md)

## Arduino Nicla Sense ME

Compact 22.86mm sensor module with nRF52840 BLE 5.0 and four Bosch sensors — 9-axis IMU with AI, barometric pressure, temperature/humidity, and gas/CO2 detection. Edge AI-powered environmental and motion sensing in a coin-sized package.

[Details](https://openhardware.directory/devices/arduino-nicla-sense-me) | [Markdown](https://openhardware.directory/devices/arduino-nicla-sense-me/md)

## Arduino Opta WiFi

Industrial micro PLC with STM32H747 dual-core Cortex-M7/M4, WiFi, BLE, Ethernet, 4\u00d72.3kW relays, Modbus TCP/RTU, hardware security, DIN rail mount, and IEC 61131-3 PLC programming — co-developed with Finder for real industrial automation.

[Details](https://openhardware.directory/devices/arduino-opta-wifi) | [Markdown](https://openhardware.directory/devices/arduino-opta-wifi/md)

## Arduino Opta Lite

Entry-level industrial micro PLC with STM32H747 dual-core Cortex-M7/M4, Ethernet, 4\u00d72.3kW relays, Modbus TCP, hardware security, DIN rail mount, and IEC 61131-3 PLC programming — the affordable path to Arduino-powered industrial control.

[Details](https://openhardware.directory/devices/arduino-opta-lite) | [Markdown](https://openhardware.directory/devices/arduino-opta-lite/md)

## NanoPC-T6 Plus

FriendlyElec's flagship RK3588 SBC with 4x Cortex-A76 + 4x Cortex-A53 at 2.4GHz, up to 32GB LPDDR5, NVMe M.2, dual 2.5GbE, dual HDMI out + HDMI in, 6 TOPS NPU, 8K video, 40-pin GPIO, and USB-C PD power.

[Details](https://openhardware.directory/devices/nanopc-t6-plus) | [Markdown](https://openhardware.directory/devices/nanopc-t6-plus/md)

## NanoPi R6S

High-performance RK3588S router board with 8GB LPDDR4X, 32GB eMMC, native Gigabit + dual 2.5GbE, HDMI 2.1 (8K), USB 3.0, and 6 TOPS NPU — ideal for OpenWrt/FriendlyWrt router, NAS, and edge computing.

[Details](https://openhardware.directory/devices/nanopi-r6s) | [Markdown](https://openhardware.directory/devices/nanopi-r6s/md)

## NanoPi M5

Mid-range RK3576 SBC with 4x Cortex-A72 + 4x Cortex-A53 at 2.2GHz, up to 8GB RAM, dual Gigabit Ethernet, M.2 NVMe, HDMI 4K, 6 TOPS NPU, MIPI-CSI/DSI, 30-pin GPIO, and USB-C PD in a compact 90×62mm form factor.

[Details](https://openhardware.directory/devices/nanopi-m5) | [Markdown](https://openhardware.directory/devices/nanopi-m5/md)

## NanoPi R4S

Popular RK3399 dual-GbE router board with 2x Cortex-A72 + 4x Cortex-A53, 4GB LPDDR4, dual Gigabit Ethernet, 2x USB 3.0, metal case option, and OpenWrt/FriendlyWrt support — the go-to affordable open-source router platform.

[Details](https://openhardware.directory/devices/nanopi-r4s) | [Markdown](https://openhardware.directory/devices/nanopi-r4s/md)

## NanoPi R2S

Budget dual-GbE router board with RK3328 quad-core Cortex-A53 at 1.3GHz, 1GB DDR4, native + USB 3.0 Gigabit Ethernet, and USB-C power — the most affordable open-source OpenWrt router platform at just $27.

[Details](https://openhardware.directory/devices/nanopi-r2s) | [Markdown](https://openhardware.directory/devices/nanopi-r2s/md)

## BigTreeTech SKR Pro V1.1

32-bit 3D printer control board powered by STM32F407ZGT6 @ 168MHz. Supports 6 stepper drivers, triple extruder, dual Z, 12–24V input. Compatible with Marlin and Klipper firmware.

[Details](https://openhardware.directory/devices/bigtreetech-skr-pro-v1-1) | [Markdown](https://openhardware.directory/devices/bigtreetech-skr-pro-v1-1/md)

## NanoPi Zero2

Ultra-compact 45\u00d745mm Linux SBC with RK3528A quad-core Cortex-A53 at 1.8GHz, up to 2GB RAM, Gigabit Ethernet, M.2 WiFi slot, USB 2.0, 30-pin GPIO, and 4K HDMI — starting at just $18.

[Details](https://openhardware.directory/devices/nanopi-zero2) | [Markdown](https://openhardware.directory/devices/nanopi-zero2/md)

## BigTreeTech SKR V1.4 Turbo

32-bit 3D printer control board with LPC1769 @ 120MHz. Supports 5 stepper driver sockets, dual Z, 12–24V, TMC2209 UART. Popular Marlin and Klipper compatible upgrade board.

[Details](https://openhardware.directory/devices/bigtreetech-skr-v1-4-turbo) | [Markdown](https://openhardware.directory/devices/bigtreetech-skr-v1-4-turbo/md)

## BigTreeTech SKR Mini E3 V1.2

Ultra-quiet 32-bit 3D printer board with 4 integrated TMC2209 UART stepper drivers. STM32F103RCT6 @ 72MHz. Direct drop-in replacement for Ender 3. Supports Marlin and Klipper.

[Details](https://openhardware.directory/devices/bigtreetech-skr-mini-e3-v1-2) | [Markdown](https://openhardware.directory/devices/bigtreetech-skr-mini-e3-v1-2/md)

## BigTreeTech SKR Mini E3 V2.0

Improved 32-bit control board with 4 integrated TMC2209 UART drivers, dual Z ports, and STM32F103RCT6 @ 72MHz. Drop-in upgrade for Ender 3, CR-10S, Ender 5. Marlin and Klipper ready.

[Details](https://openhardware.directory/devices/bigtreetech-skr-mini-e3-v2-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-skr-mini-e3-v2-0/md)

## BigTreeTech SKR Mini E3 V3.0

Latest 32-bit SKR Mini E3 with STM32G0B1RET6 @ 64MHz, 4 integrated TMC2209 UART drivers, USB-C, and CAN bus support. Compact Ender 3 drop-in upgrade. Marlin and Klipper compatible.

[Details](https://openhardware.directory/devices/bigtreetech-skr-mini-e3-v3-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-skr-mini-e3-v3-0/md)

## NanoPi R5S-LTS

RK3568B2 router board with quad-core Cortex-A55 at 2.0GHz, up to 4GB RAM, 32GB eMMC, native GbE + dual 2.5GbE, M.2 PCIe, 2x USB 3.0, HDMI 4K, and USB-C PD — the mid-range OpenWrt router with long-term support.

[Details](https://openhardware.directory/devices/nanopi-r5s-lts) | [Markdown](https://openhardware.directory/devices/nanopi-r5s-lts/md)

## BigTreeTech BTT Pi V1.2

Single board computer by BigTreeTech with Allwinner H616 quad-core Cortex-A53, 1GB DDR3L RAM, WiFi, 100Mbps Ethernet, and 40-pin GPIO. Drop-in Raspberry Pi CM4 alternative for Klipper 3D printing.

[Details](https://openhardware.directory/devices/bigtreetech-btt-pi-v1-2) | [Markdown](https://openhardware.directory/devices/bigtreetech-btt-pi-v1-2/md)

## BigTreeTech SKR Pico V1.0

Compact 32-bit 3D printer control board powered by RP2040 @ 133MHz. Designed for Voron 0.1 and small printers. 4 TMC2209 sockets, USB-C, 12–24V input. Klipper and Marlin compatible.

[Details](https://openhardware.directory/devices/bigtreetech-skr-pico-v1-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-skr-pico-v1-0/md)

## NanoPi R5C

Compact dual 2.5GbE router with RK3568B2 quad-core Cortex-A55 at 2.0GHz, up to 4GB RAM, dual USB 3.2, HDMI, M.2, and 0.8 TOPS NPU in a tiny 58\u00d758mm form factor — the small-footprint 2.5G OpenWrt router.

[Details](https://openhardware.directory/devices/nanopi-r5c) | [Markdown](https://openhardware.directory/devices/nanopi-r5c/md)

## NanoPi R6C

RK3588S router board with 4x Cortex-A76 + 4x Cortex-A53, up to 8GB RAM, 32GB eMMC, native GbE + 2.5GbE, M.2 NVMe, HDMI 8K, 6 TOPS NPU, and USB-C PD — the mid-range RK3588S router with NVMe storage support.

[Details](https://openhardware.directory/devices/nanopi-r6c) | [Markdown](https://openhardware.directory/devices/nanopi-r6c/md)

## BigTreeTech CB2

Compute module by BigTreeTech powered by Rockchip RK3566 quad-core Cortex-A55 at 1.8GHz, 2GB/4GB LPDDR4, 32GB eMMC, Gigabit Ethernet, WiFi 5 (802.11ac), and Bluetooth 5.2. CM4-form-factor.

[Details](https://openhardware.directory/devices/bigtreetech-cb2) | [Markdown](https://openhardware.directory/devices/bigtreetech-cb2/md)

## BigTreeTech SKR 3

High-performance 32-bit 3D printer board with STM32H743VI @ 480MHz, 5 driver slots, CAN bus, FDCAN, WiFi module support, 12–24V, 10A bed output. Marlin, Klipper, and RepRapFirmware compatible.

[Details](https://openhardware.directory/devices/bigtreetech-skr-3) | [Markdown](https://openhardware.directory/devices/bigtreetech-skr-3/md)

## BigTreeTech Octopus V1.1

32-bit 3D printer control board with STM32F446ZET6 MCU, 8 stepper driver slots (9 outputs), CAN bus via RJ11, USB-C, WiFi header, and support for Marlin and Klipper firmware.

[Details](https://openhardware.directory/devices/bigtreetech-octopus-v1-1) | [Markdown](https://openhardware.directory/devices/bigtreetech-octopus-v1-1/md)

## NanoPC-T6 LTS

Long-term support RK3588 SBC with 4x Cortex-A76 + 4x Cortex-A53 at 2.4GHz, up to 16GB LPDDR4X, NVMe PCIe 3.0 x4, dual 2.5GbE, dual HDMI, MIPI-CSI/DSI, 6 TOPS NPU, and 40-pin GPIO — the LTS variant for production deployments.

[Details](https://openhardware.directory/devices/nanopc-t6-lts) | [Markdown](https://openhardware.directory/devices/nanopc-t6-lts/md)

## BigTreeTech SKR 3 EZ

Advanced 32-bit 3D printer board with STM32H743VI @ 480MHz and EZ driver system (tool-free). 5 EZ driver slots, CAN/FDCAN, WiFi module support, 10A bed, 12–24V. Marlin, Klipper, RRF ready.

[Details](https://openhardware.directory/devices/bigtreetech-skr-3-ez) | [Markdown](https://openhardware.directory/devices/bigtreetech-skr-3-ez/md)

## BigTreeTech PAD 7

7-inch all-in-one 3D printer control panel with 1024x600 IPS touchscreen, pre-installed CB1 core board running Klipper, Ethernet, WiFi, 3x USB 2.0, CAN bus, and built-in speaker.

[Details](https://openhardware.directory/devices/bigtreetech-pad-7) | [Markdown](https://openhardware.directory/devices/bigtreetech-pad-7/md)

## BigTreeTech Octopus Pro V1.1

High-voltage 3D printer control board with STM32H723ZE MCU, 8 stepper driver slots supporting up to 60V motor power, CAN bus, PT100/PT1000 support, and Marlin/Klipper/RRF firmware.

[Details](https://openhardware.directory/devices/bigtreetech-octopus-pro-v1-1) | [Markdown](https://openhardware.directory/devices/bigtreetech-octopus-pro-v1-1/md)

## BigTreeTech Octopus Max EZ V1.0

High-end 32-bit 3D printer control board with STM32H723ZET6 MCU at 550MHz, 10 EZ-socket stepper driver slots, CAN bus, eFuse protection, and Marlin/Klipper firmware support.

[Details](https://openhardware.directory/devices/bigtreetech-octopus-max-ez-v1-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-octopus-max-ez-v1-0/md)

## BigTreeTech TFT35 V3.0

3.5-inch dual-mode 3D printer display with STM32 processor supporting both touchscreen TFT mode and classic 12864 LCD mode. Compatible with Marlin and most BIGTREETECH control boards.

[Details](https://openhardware.directory/devices/bigtreetech-tft35-v3-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-tft35-v3-0/md)

## NanoPi M6

RK3588S SBC with 4x Cortex-A76 + 4x Cortex-A53 at 2.4GHz, up to 32GB LPDDR5, M.2 NVMe, Gigabit Ethernet, HDMI 2.1 (8K), dual MIPI-DSI/CSI, 6 TOPS NPU, and USB-C PD — FriendlyElec's compact RK3588S desktop-class board.

[Details](https://openhardware.directory/devices/nanopi-m6) | [Markdown](https://openhardware.directory/devices/nanopi-m6/md)

## BigTreeTech Manta M4P V1.0

Klipper-native 3D printer control board with STM32G0B0RE MCU and BTB connector for Raspberry Pi CM4 or BTT CB1, 4 stepper driver slots, Ethernet, USB-C, and CAN bus support.

[Details](https://openhardware.directory/devices/bigtreetech-manta-m4p-v1-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-manta-m4p-v1-0/md)

## BigTreeTech TFT35-E3 V3.0

3.5-inch dual-mode display designed as a direct replacement for the Ender 3 stock LCD. STM32 based with touchscreen TFT and 12864 emulation modes, supports SD and USB printing.

[Details](https://openhardware.directory/devices/bigtreetech-tft35-e3-v3-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-tft35-e3-v3-0/md)

## NanoPi R2S Plus

Enhanced RK3328 dual-GbE router with quad-core Cortex-A53 at 1.4GHz, 1GB DDR4, 32GB eMMC onboard, dual Gigabit Ethernet, optional WiFi, and metal case — the R2S upgrade with built-in storage for reliable OpenWrt routing.

[Details](https://openhardware.directory/devices/nanopi-r2s-plus) | [Markdown](https://openhardware.directory/devices/nanopi-r2s-plus/md)

## BigTreeTech Manta M8P V1.1

8-axis Klipper-native 3D printer control board with STM32G0B1VET6 MCU, BTB connector for CM4/CB1, CAN bus, eFuse protection, Ethernet, and selectable CNC fan voltage.

[Details](https://openhardware.directory/devices/bigtreetech-manta-m8p-v1-1) | [Markdown](https://openhardware.directory/devices/bigtreetech-manta-m8p-v1-1/md)

## BigTreeTech TFT43/TFT50/TFT70 V3.0

Larger-format dual-mode 3D printer displays in 4.3-inch, 5-inch, and 7-inch variants. STM32-based with touchscreen TFT and 12864 LCD emulation modes, SD/USB printing, compatible with Marlin.

[Details](https://openhardware.directory/devices/bigtreetech-tft43-tft50-tft70-v3-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-tft43-tft50-tft70-v3-0/md)

## BigTreeTech Manta E3EZ V1.0

Klipper-ready 3D printer control board for Ender 3/5 with STM32G0B1 MCU, BTB connector for CM4/CB1, 5 EZ stepper slots, CAN bus, and direct Ender 3 compatibility.

[Details](https://openhardware.directory/devices/bigtreetech-manta-e3ez-v1-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-manta-e3ez-v1-0/md)

## BigTreeTech TFT35-SPI V2.1

3.5-inch 480x320 SPI touchscreen display for 3D printers, designed for CB1-based boards. Uses ILI9488 SPI LCD driver and NS2009 I2C touch controller, includes an IO2CAN module option.

[Details](https://openhardware.directory/devices/bigtreetech-tft35-spi-v2-1) | [Markdown](https://openhardware.directory/devices/bigtreetech-tft35-spi-v2-1/md)

## BigTreeTech SKRat V1.0

Compact 32-bit 3D printer control board with STM32G0B1VET6 MCU, 5 stepper driver slots, CAN-FD bus, USB-C, and support for both Marlin and Klipper firmware.

[Details](https://openhardware.directory/devices/bigtreetech-skrat-v1-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-skrat-v1-0/md)

## BIQU RGBDuino UNO V1.2

Arduino UNO-compatible development board based on ATmega328P-AU at 16MHz/5V, featuring RGB LED indicators. Available in Geek Duck (V1.1) and Jenny (V1.2) variants for maker and education projects.

[Details](https://openhardware.directory/devices/biqu-rgbduino-uno-v1-2) | [Markdown](https://openhardware.directory/devices/biqu-rgbduino-uno-v1-2/md)

## BigTreeTech Pi TFT43 V2.0

4.3-inch 800x480 IPS capacitive touchscreen expansion board for BTT Pi, CB1, CB2, and Raspberry Pi CM4. Connects via 40-pin GPIO DPI interface with GT911 touch controller for Klipper UI.

[Details](https://openhardware.directory/devices/bigtreetech-pi-tft43-v2-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-pi-tft43-v2-0/md)

## BigTreeTech ESP8266 WiFi Module

ESP8266-based WiFi transceiver expansion module for BTT 3D printer control boards. Available in ESP12S and ESP-07 variants, enabling wireless connectivity and remote control via serial UART.

[Details](https://openhardware.directory/devices/bigtreetech-esp8266-wifi-module) | [Markdown](https://openhardware.directory/devices/bigtreetech-esp8266-wifi-module/md)

## BigTreeTech HDMI5 V1.0

5-inch 800x480 IPS HDMI capacitive touchscreen display. Compatible with Raspberry Pi, BTT SBCs, and any HDMI source. USB-C data port, 3.5mm audio jack, 5-point touch, auto-driver on PC.

[Details](https://openhardware.directory/devices/bigtreetech-hdmi5-v1-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-hdmi5-v1-0/md)

## CompuLab IOT-GATE-IMX8PLUS

Industrial IoT edge gateway with NXP i.MX8M Plus quad-core Cortex-A53 at 1.8GHz, up to 8GB RAM, dual Ethernet (PoE), WiFi/BT, optional 4G LTE, 3x RS485/RS232, USB 3.0, TPM, and modular I/O expansion — designed for industrial-grade edge computing.

[Details](https://openhardware.directory/devices/compulab-iot-gate-imx8plus) | [Markdown](https://openhardware.directory/devices/compulab-iot-gate-imx8plus/md)

## BigTreeTech HDMI7 V1.0

7-inch 1024x600 IPS HDMI capacitive touchscreen display. Universal compatibility with Raspberry Pi, BTT SBCs, and any HDMI source. USB-C touch, 3.5mm audio output, 5-point touch, 160° viewing angle.

[Details](https://openhardware.directory/devices/bigtreetech-hdmi7-v1-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-hdmi7-v1-0/md)

## BigTreeTech S42C V1.0 Closed Loop Stepper Driver

NEMA 17 (42mm) stepper motor closed-loop driver board with OLED display. Uses encoder feedback to eliminate missed steps and improve high-speed 3D printer and CNC motor performance.

[Details](https://openhardware.directory/devices/bigtreetech-s42c-v1-0-closed-loop-stepper-driver) | [Markdown](https://openhardware.directory/devices/bigtreetech-s42c-v1-0-closed-loop-stepper-driver/md)

## BigTreeTech EBB 36/42 CAN Bus Toolhead Board

CAN bus toolhead board for 36/42mm stepper extruders. Features STM32G0B1 MCU, onboard TMC2209, ADXL345 accelerometer, PT100/PT1000 support, and USB/CAN connectivity for Klipper 3D printers.

[Details](https://openhardware.directory/devices/bigtreetech-ebb-36-42-can-bus-toolhead-board) | [Markdown](https://openhardware.directory/devices/bigtreetech-ebb-36-42-can-bus-toolhead-board/md)

## CompuLab IOT-DIN-IMX8PLUS

DIN-rail industrial IoT gateway with NXP i.MX8M Plus quad-core Cortex-A53 at 1.8GHz, up to 8GB RAM, dual LAN, CAN bus, RS485/RS232, optional LTE, stackable I/O modules (up to 12x serial, 32x DI/DO, ADC), and 15-year availability.

[Details](https://openhardware.directory/devices/compulab-iot-din-imx8plus) | [Markdown](https://openhardware.directory/devices/compulab-iot-din-imx8plus/md)

## BigTreeTech Panda Touch

5-inch 800x480 IPS WiFi touchscreen for Bambu Lab X1, P1, and A1 series 3D printers. ESP32-S3 based, 16MB flash, 8MB PSRAM, built-in battery for portable use, supports up to 4 printers simultaneously.

[Details](https://openhardware.directory/devices/bigtreetech-panda-touch) | [Markdown](https://openhardware.directory/devices/bigtreetech-panda-touch/md)

## BigTreeTech ADXL345 V2.0 Accelerometer Board

RP2040-based ADXL345 accelerometer board for Klipper input shaping and resonance compensation on 3D printers. Connects via USB Type-C with ESD protection. Board size: 33.25 × 15.5mm.

[Details](https://openhardware.directory/devices/bigtreetech-adxl345-v2-0-accelerometer-board) | [Markdown](https://openhardware.directory/devices/bigtreetech-adxl345-v2-0-accelerometer-board/md)

## BigTreeTech EBB SB2209 CAN Toolhead Board (RP2040)

Toolhead board designed for the Voron StealthBurner. Powered by RP2040, supports CAN and USB, includes TMC2209, ADXL345 accelerometer, and PT100/PT1000 for Klipper 3D printers.

[Details](https://openhardware.directory/devices/bigtreetech-ebb-sb2209-can-toolhead-board-rp2040) | [Markdown](https://openhardware.directory/devices/bigtreetech-ebb-sb2209-can-toolhead-board-rp2040/md)

## BigTreeTech K-Touch

5-inch 800x480 IPS WiFi touchscreen controller for Klipper printers. ESP32-S3 based, 16MB flash, 8MB PSRAM, built-in battery for 30 minutes portable use, supports up to 50 Klipper printers.

[Details](https://openhardware.directory/devices/bigtreetech-k-touch) | [Markdown](https://openhardware.directory/devices/bigtreetech-k-touch/md)

## BigTreeTech MicroProbe V2.0

Compact automatic bed leveling probe for 3D printers including Ender-3, B1, and H2 extruder platforms. Supports Voron Stealthburner, EVA, and other popular toolhead mounts. Open source hardware.

[Details](https://openhardware.directory/devices/bigtreetech-microprobe-v2-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-microprobe-v2-0/md)

## BigTreeTech MMB CAN V2.0 Multi-Material Control Board

CAN bus control board for the Enraged Rabbit Carrot Feeder (ERCF) multi-material system. Features STM32G0B1 MCU, 4 EZ stepper driver slots, USB/CAN connectivity, and full Klipper support.

[Details](https://openhardware.directory/devices/bigtreetech-mmb-can-v2-0-multi-material-control-board) | [Markdown](https://openhardware.directory/devices/bigtreetech-mmb-can-v2-0-multi-material-control-board/md)

## BigTreeTech KNOMI 2

1.28-inch round 240x240 LCD display for Voron StealthBurner toolhead. ESP32 MCU with WiFi and Bluetooth LE, shows print status, temperatures, and progress with customizable animated UI.

[Details](https://openhardware.directory/devices/bigtreetech-knomi-2) | [Markdown](https://openhardware.directory/devices/bigtreetech-knomi-2/md)

## BigTreeTech BTT RRF WiFi V1.0 Module

ESP8266-based WiFi expansion module for RepRapFirmware (Duet-style) boards. Adds wireless connectivity to BTT SKR V1.3, SKR V1.4 Turbo, and compatible boards running RRF or Marlin firmware.

[Details](https://openhardware.directory/devices/bigtreetech-btt-rrf-wifi-v1-0-module) | [Markdown](https://openhardware.directory/devices/bigtreetech-btt-rrf-wifi-v1-0-module/md)

## BigTreeTech Eddy Eddy Current Inductive Probe

Eddy current inductive bed leveling probe for Klipper 3D printers. Offers 0.5μm precision, rapid bed mesh scanning, temperature compensation (USB), and works as Z-endstop. Mounts on standard Voron X carriage.

[Details](https://openhardware.directory/devices/bigtreetech-eddy-eddy-current-inductive-probe) | [Markdown](https://openhardware.directory/devices/bigtreetech-eddy-eddy-current-inductive-probe/md)

## BigTreeTech Panda Knomi

1.28-inch round 240x240 display for Bambu Lab A1, X1, and P1 series printers. ESP32 MCU with 2.4GHz WiFi, customizable GIF animations, shows print status and temperatures wirelessly.

[Details](https://openhardware.directory/devices/bigtreetech-panda-knomi) | [Markdown](https://openhardware.directory/devices/bigtreetech-panda-knomi/md)

## BigTreeTech Panda Branch V1.0

USB power expansion board for Bambu Lab X1/P1/A1 series printers. Provides 4x USB-A 5V outputs at up to 2.7A peak from a 24V input, with overcurrent protection and MX3.0 AMS power interfaces.

[Details](https://openhardware.directory/devices/bigtreetech-panda-branch-v1-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-panda-branch-v1-0/md)

## BigTreeTech SKSM V1.0 Supercapacitor Power Module

Supercapacitor-based power loss recovery module for Klipper 3D printers. Provides ~13 seconds of 5W backup power via dual 2.7V 20F supercaps, enabling safe shutdown on power failure.

[Details](https://openhardware.directory/devices/bigtreetech-sksm-v1-0-supercapacitor-power-module) | [Markdown](https://openhardware.directory/devices/bigtreetech-sksm-v1-0-supercapacitor-power-module/md)

## BigTreeTech CEB CAN Expansion Board

CAN bus power distribution and expansion board for BigTreeTech toolhead boards. Provides multiple 24V + CAN pass-through ports to daisy-chain toolhead boards in Klipper 3D printer setups.

[Details](https://openhardware.directory/devices/bigtreetech-ceb-can-expansion-board) | [Markdown](https://openhardware.directory/devices/bigtreetech-ceb-can-expansion-board/md)

## BigTreeTech Panda PWR

Intelligent power management module with ESP8684 MCU, 4MB flash, 2.4GHz WiFi, and dual USB outputs. Enables remote power control, consumption monitoring, countdown shutdown, and Home Assistant integration.

[Details](https://openhardware.directory/devices/bigtreetech-panda-pwr) | [Markdown](https://openhardware.directory/devices/bigtreetech-panda-pwr/md)

## BigTreeTech HBB Handheld Button Board

RP2040-based handheld button board with 7 mechanical switches and RGB NeoPixel LEDs for manual control of Klipper 3D printers. Triggers homing, heating, motor disable and other macros via USB.

[Details](https://openhardware.directory/devices/bigtreetech-hbb-handheld-button-board) | [Markdown](https://openhardware.directory/devices/bigtreetech-hbb-handheld-button-board/md)

## BigTreeTech K-Hub V1.0

4-port USB 2.0 hub for Klipper-based 3D printers with dual 24V/5V power input support. Expands a single USB host port to connect multiple peripherals like ADXL345, EBB boards, and cameras simultaneously.

[Details](https://openhardware.directory/devices/bigtreetech-k-hub-v1-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-k-hub-v1-0/md)

## BigTreeTech Rodent V1.0

ESP32-based CNC controller board co-developed with RatRig, featuring 4x TMC2160 drivers (up to 56V/4.7A RMS), FluidNC firmware, WiFi, RS-485, CAN, USB-C, and OLED display support for engraving machines.

[Details](https://openhardware.directory/devices/bigtreetech-rodent-v1-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-rodent-v1-0/md)

## BigTreeTech Scylla V1.0

STM32H723-based CNC engraving machine control board with 4x TMC2160 drivers (24-56V/4.7A RMS), RepRapFirmware support, ESP32 WiFi, USB-C, RS-485, CAN bus, VFD spindle control, and relay output.

[Details](https://openhardware.directory/devices/bigtreetech-scylla-v1-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-scylla-v1-0/md)

## BIQU AJAX TD1S

Filament Transmission Distance (TD) and HEX color measurement tool for 3D printing. Captures true filament color and TD values for HueForge integration to build accurate filament libraries and fix color shifts in multi-color prints.

[Details](https://openhardware.directory/devices/biqu-ajax-td1s) | [Markdown](https://openhardware.directory/devices/biqu-ajax-td1s/md)

## Libre Computer Alta

Libre Computer Alta (AML-A311D-CC) — Amlogic A311D hexa-core SBC with 4GB LPDDR4, 5 TOPS NPU, Mali-G52 GPU, 4× USB 3.0, Gigabit Ethernet with PoE, and 4K HDR HDMI 2.0 in a Pi-compatible form factor.

[Details](https://openhardware.directory/devices/libre-computer-alta) | [Markdown](https://openhardware.directory/devices/libre-computer-alta/md)

## Libre Computer Renegade Elite

Libre Computer Renegade Elite (ROC-RK3399-PC) — Rockchip RK3399 SBC with dual Cortex-A72 + quad Cortex-A53, 4GB LPDDR4, M.2 PCIe, DisplayPort 1.2, HDMI 2.0, and UEFI BIOS in a 120×72mm form factor.

[Details](https://openhardware.directory/devices/libre-computer-renegade-elite) | [Markdown](https://openhardware.directory/devices/libre-computer-renegade-elite/md)

## Libre Computer Solitude

Libre Computer Solitude (AML-S905D3-CC) — Amlogic S905D3 quad-core Cortex-A55 SBC with 2/4GB LPDDR4, 1.2 TOPS NPU, 4× USB 3.0, Gigabit Ethernet with PoE, and 4K HDR HDMI 2.0 in a Pi-compatible layout.

[Details](https://openhardware.directory/devices/libre-computer-solitude) | [Markdown](https://openhardware.directory/devices/libre-computer-solitude/md)

## Pine64 PineCone BL602

Open-source RISC-V evaluation board powered by the Bouffalo Lab BL602 WiFi+BLE5 SoC. Features 276KB SRAM, 2MB flash, USB-C with CH340 serial bridge, onboard RGB LED, JTAG header, and PCB antenna. Supports Arduino, NuttX, FreeRTOS, Rust, and OpenBeken firmware. Priced from $3.99.

[Details](https://openhardware.directory/devices/pine64-pinecone-bl602) | [Markdown](https://openhardware.directory/devices/pine64-pinecone-bl602/md)

## Milk-V Mars

Credit card-sized RISC-V SBC with quad-core StarFive JH7110 @ 1.5GHz, up to 8GB LPDDR4, Gigabit Ethernet with PoE, 40-pin GPIO, 4K HDMI. Raspberry Pi form factor.

[Details](https://openhardware.directory/devices/milk-v-mars) | [Markdown](https://openhardware.directory/devices/milk-v-mars/md)

## Milk-V Jupiter

Mini-ITX RISC-V board with octa-core SpacemiT K1, up to 16GB LPDDR4X, 2 TOPS AI, WiFi 6/BT 5.2, dual Gigabit Ethernet, PCIe x8 slot. First RVA22 RISC-V PC board.

[Details](https://openhardware.directory/devices/milk-v-jupiter) | [Markdown](https://openhardware.directory/devices/milk-v-jupiter/md)

## Milk-V Pioneer

64-core RISC-V workstation mATX motherboard with SOPHON SG2042 @ 2GHz, up to 128GB DDR4 ECC, PCIe 4.0 x16, 5x SATA, 8x USB 3.0, dual 2.5GbE for native RISC-V development.

[Details](https://openhardware.directory/devices/milk-v-pioneer) | [Markdown](https://openhardware.directory/devices/milk-v-pioneer/md)

## Milk-V Duo

Ultra-compact RISC-V dev board with dual-core CV1800B SoC, 64MB RAM, 0.5 TOPS TPU, running Linux and RTOS simultaneously. Just 21x51mm, starting at $5.

[Details](https://openhardware.directory/devices/milk-v-duo) | [Markdown](https://openhardware.directory/devices/milk-v-duo/md)

## Pine64 PineNut Model-01S

Ultra-compact BL602 RISC-V WiFi+BLE5 IoT module in ESP-01S form factor with 8-pin through-hole header. Features 276KB SRAM, 2MB flash, onboard RGB LED, and PCB antenna. Supports Arduino, NuttX, FreeRTOS, and OpenBeken firmware. Priced from $1.99.

[Details](https://openhardware.directory/devices/pine64-pinenut-01s) | [Markdown](https://openhardware.directory/devices/pine64-pinenut-01s/md)

## Milk-V Duo S

Compact RISC-V/ARM dev board with SG2000 SoC, 512MB RAM, optional WiFi 6/BT5, dual MIPI CSI cameras, 0.5 TOPS TPU. Runs Linux and RTOS simultaneously.

[Details](https://openhardware.directory/devices/milk-v-duo-s) | [Markdown](https://openhardware.directory/devices/milk-v-duo-s/md)

## Milk-V Meles

RISC-V SBC with quad-core T-Head TH1520 @ 1.85GHz, up to 16GB LPDDR4X, 4 TOPS NPU, WiFi 5/BT 5.2, 4K HDMI, Vulkan GPU. Credit card-sized form factor.

[Details](https://openhardware.directory/devices/milk-v-meles) | [Markdown](https://openhardware.directory/devices/milk-v-meles/md)

## Pine64 PineNut Model-12S

BL602 RISC-V WiFi+BLE5 stamp module with 16 castellated pads for SMT integration. Exposes 11 GPIOs with SPI, I2C, UART, SDIO, JTAG, ADC, and DAC. Features 276KB SRAM, 2MB flash, and PCB antenna. Priced from $1.99.

[Details](https://openhardware.directory/devices/pine64-pinenut-12s) | [Markdown](https://openhardware.directory/devices/pine64-pinenut-12s/md)

## Milk-V Jupiter2

First RVA23-compliant RISC-V SBC with octa-core SpacemiT K3 @ 2.4GHz, up to 32GB LPDDR5, 60 TOPS AI accelerator, WiFi 6/BT 5.2, 10GbE SFP+, real-time processor.

[Details](https://openhardware.directory/devices/milk-v-jupiter2) | [Markdown](https://openhardware.directory/devices/milk-v-jupiter2/md)

## Milk-V Megrez

Mini-ITX RISC-V board with quad-core SiFive P550 @ 1.8GHz (ESWIN EIC7700X), up to 32GB LPDDR5, 19.95 TOPS NPU, 8K video codec, PCIe x8 slot, SATA3.

[Details](https://openhardware.directory/devices/milk-v-megrez) | [Markdown](https://openhardware.directory/devices/milk-v-megrez/md)

## Pine64 Ox64

Pico-sized RISC-V SBC powered by the Bouffalo Lab BL808 triple-core SoC with WiFi, BLE 5.0, and Zigbee. Features 64MB PSRAM, up to 16MB flash, microSD slot, USB-C with MIPI-CSI camera support, and 26 GPIO pins. Runs Linux, NuttX, and FreeRTOS. Priced from $6.

[Details](https://openhardware.directory/devices/pine64-ox64) | [Markdown](https://openhardware.directory/devices/pine64-ox64/md)

## Milk-V Titan

Mini-ITX RISC-V board with octa-core UltraRISC UR-DP1000 @ 2GHz, up to 64GB DDR4 ECC, PCIe Gen4 x16, onboard BMC, hardware virtualization. RVA22 compliant, FCC/CE certified.

[Details](https://openhardware.directory/devices/milk-v-titan) | [Markdown](https://openhardware.directory/devices/milk-v-titan/md)

## Pine64 Oz64

RISC-V and ARM dual-ISA single board computer powered by the Sophgo SG2000 SoC with 512MB DDR3, WiFi 6, BLE 5.2, 10/100 Ethernet, dual MIPI-CSI camera ports, and 0.5 TOPS NPU. Hardware switch selects between RISC-V and ARM boot. Priced from $12.99.

[Details](https://openhardware.directory/devices/pine64-oz64) | [Markdown](https://openhardware.directory/devices/pine64-oz64/md)
