# 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. **152 device listed.** ## 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 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-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-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-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-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-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-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-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 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 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-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 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-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 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-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-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-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-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-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 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 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-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 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 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 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 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 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 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 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 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 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-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-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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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-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 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 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) ## 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) ## 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 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) ## 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) ## 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) ## 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) ## 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-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) ## 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 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 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 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)