# 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. **27 device listed.** ## 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-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 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) ## 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 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) ## 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) ## 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) ## 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 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) ## WS2812B RGB LED Ring (12-Bit, 50mm) 12-LED addressable WS2812B RGB ring in a 50mm form factor, running on 5V with single-wire data control — perfect for status indicators, wearables, and visual effects. [Details](https://openhardware.directory/devices/ws2812b-rgb-led-ring) | [Markdown](https://openhardware.directory/devices/ws2812b-rgb-led-ring/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) ## 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 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 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) ## 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)