# 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. **31 device listed.** ## 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-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-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 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 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-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) ## 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 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 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 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) ## 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 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 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) ## 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 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) ## 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) ## 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) ## 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) ## 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 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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 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 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)