Open Hardware Directory

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 M

RISC-V AI development board combining the Kendryte K210 AI processor with ESP32 for WiFi/BT connectivity. Includes camera and microphone for computer vision and voice recognition applications.

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.

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.

Compute module by BigTreeTech powered by Rockchip RK3566 quad-core Cortex-A55 at 1.8GHz, 2GB/4GB LPDDR4, 32GB eMMC, Gigabit Ethernet, WiFi 5 (802.11ac), and Bluetooth 5.2. CM4-form-factor.

Compact 30x30mm Rockchip RV1106 compute module with ARM Cortex-A7, up to 1 TOPS NPU, 5MP ISP, 256MB DDR3L, 8GB eMMC, optional WiFi 6 and BLE 5.2, dual MIPI CSI camera inputs, and 112 castellated holes

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 MicroP

RISC-V SBC with quad-core T-Head TH1520 @ 1.85GHz, up to 16GB LPDDR4X, 4 TOPS NPU, WiFi 5/BT 5.2, 4K HDMI, Vulkan GPU. Credit card-sized form factor.

Mini-ITX RISC-V board with octa-core UltraRISC UR-DP1000 @ 2GHz, up to 64GB DDR4 ECC, PCIe Gen4 x16, onboard BMC, hardware virtualization. RVA22 compliant, FCC/CE certified.

CAN bus control board for the Enraged Rabbit Carrot Feeder (ERCF) multi-material system. Features STM32G0B1 MCU, 4 EZ stepper driver slots, USB/CAN connectivity, and full Klipper support.

Pocket-sized educational microcontroller with nRF51822, 5×5 LED matrix, accelerometer, magnetometer, Bluetooth LE, 2 buttons, and 19 I/O pins. Designed for teaching coding to children and beginners vi

Espressif official ESP32-S3 development board using the compact ESP32-S3-MINI-1 module, with dual-core 240 MHz LX7, 8 MB flash, up to 45 GPIO, dual USB ports, and smaller footprint than the WROOM-1.

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 r

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.

Texas Instruments SK-AM68 Starter Kit — quad-core Cortex-A72 evaluation board with 8GB LPDDR4 and 4 TOPS vision processing for industrial machine vision and edge AI.

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.

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.

NEMA 17 (42mm) stepper motor closed-loop driver board with OLED display. Uses encoder feedback to eliminate missed steps and improve high-speed 3D printer and CNC motor performance.

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.

The Netduino 3 Ethernet is a .NET Micro Framework board with an STM32F427VI ARM Cortex-M4 at 168MHz, wired Ethernet with full TCP/IP stack, microSD storage, Arduino shield compatibility, and 3 GOBUS p

Ultra-compact ESP32-S3 board by Unexpected Maker in TinyPICO form factor with u.FL external antenna connector, 8MB flash, 8MB PSRAM, LiPo charging, and dual-core 240 MHz.

Ultra-compact Rockchip RV1103 Linux micro development board in USB dongle form factor with 10/100Mbps Ethernet, 64MB DDR2, 128MB NAND flash, and ABS protective case. Ideal for lightweight web servers,

Banana Pi M2S is a hexa-core SBC powered by the Amlogic S922X SoC with 4GB DDR4, 16GB eMMC, WiFi 5, Bluetooth 5.0, four USB 3.0 ports, and Gigabit Ethernet.

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.

Linux-based standalone AI camera with SigmaStar SSD202D dual-core Cortex-A7, GC4653 4MP sensor, 128MB RAM, WiFi, and USB-C. Runs Python and V-Training for edge AI.