# 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.

**36 device listed.**

## 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-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-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 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 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 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 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 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)

## 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 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)

## 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)

## 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 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)

## 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)

## 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)

## 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)

## 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)

## 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)

## 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)

## 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)

## 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)

## 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)

## 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)

## 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 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)

## 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)

## 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)

## 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)

## 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)

## 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)

## 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)

## 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 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)
