# 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.

**22 device listed.**

## 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)

## 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)

## 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)

## 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)

## 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)

## 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)

## 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 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 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 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-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)

## 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)

## 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)

## 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 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)

## 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 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)

## 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 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)

## 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)