Open Hardware Directory

ATSAMD21G18 ARM Cortex-M0+ Feather board with RFM69HCW sub-GHz radio at 868/915 MHz. Up to +20 dBm TX power, AES-128 encryption, 256KB flash, 32KB RAM, native USB, and built-in LiPo charger.

LILYGO T5 V2.3.1 is a 2.13-inch e-paper display module with SSD1680 driver, supporting 212×104 black-and-white output via SPI. Ultra-low power design retains the image without any power supply.

Compact RISC-V SBC with StarFive JH7110S quad-core 64-bit processor @ 1.25GHz, up to 8GB LPDDR4, onboard WiFi 6 and Bluetooth 5.4, Gigabit Ethernet, HDMI 2.0, M.2 NVMe slot, MIPI CSI camera, 40-pin GP

Ultra-compact 58×58mm dual 2.5GbE router board with RK3576 octa-core, up to 4GB LPDDR4X, 32GB eMMC, and USB-C 5V power — a high-throughput mini network appliance for home lab and edge networking.

7-inch 1024x600 IPS HDMI capacitive touchscreen display. Universal compatibility with Raspberry Pi, BTT SBCs, and any HDMI source. USB-C touch, 3.5mm audio output, 5-point touch, 160° viewing angle.

RK3588 Pico-ITX SBC with up to 32GB LPDDR5, dual M.2 NVMe, WiFi 6, 2.5GbE PoE, four independent display outputs, and optional 4G/5G via SIM card slot — the upgraded Rock 5B for demanding edge and NAS

CAN-bus-capable Feather with ATSAME51J19 ARM Cortex-M4F @ 120MHz, built-in CAN transceiver + 5V booster, USB-C, 21 GPIO, 2MB SPI Flash, dual DAC, and LiPo charging. Ideal for automotive and industrial

Skull-shaped wearable microcontroller with ATSAMD21G18 at 48MHz, 1.44" 128x128 TFT display, 3-axis accelerometer, light sensor, 4 capacitive touch pads, 2W speaker driver, 8MB SPI flash, and LiPo char

ESP32-S3 based LoRa development board with built-in 0.96" OLED display, SX1262 LoRa transceiver, WiFi, BLE 5.0, USB-C, and LiPo battery charging. One of the most popular boards for Meshtastic.

Compact 62×90mm RK3588S SBC with up to 32GB LPDDR5, M.2 NVMe, 8K HDMI, and USB-C PD — a versatile Linux developer board for AI, media, and embedded applications.

The Arduino Mega R3 ADK is an ATmega2560-based development board with 54 digital I/O, 16 analog inputs, 4 hardware UARTs, and a USB Type-A host port (Android ADK) with a power boost converter — design

Open-source multi-protocol wireless USB dongle based on the Nordic nRF52840 SoC. Supports BLE 5.4, Thread, Zigbee, 802.15.4, NFC, and USB 2.0 with UF2 drag-and-drop bootloader. Priced at $12.99.

Industrial-rated BeagleBone Black with extended temperature range (-40°C to +85°C), TI Sitara AM3358 ARM Cortex-A8 at 1 GHz, full cape and software compatibility, for harsh environment deployments.

ESP32-S3 based air quality monitor with SEN55 particulate/VOC sensor, SCD40 CO2 sensor, 1.54" e-ink display, 600mAh battery, and Grove connector.

Arduino Uno-compatible board with ATSAMD51J19 Cortex M4F at 120MHz, ESP32 AirLift WiFi co-processor with TLS/SSL, 512KB flash, 192KB RAM, 2MB QSPI flash, 25 GPIO, dual DAC/ADC, and native USB. Arduino

Affordable 64-bit Linux SBC by Pine64, powered by the Allwinner A64 SoC with up to 2GB LPDDR3, Gigabit Ethernet, 2× USB 2.0, and microSD — available in standard and Long-Term Support variants.

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

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.

High-performance ESP32-P4 development board with dual-core 360MHz RISC-V, 4.1" AMOLED or 4.05" TFT touchscreen, 2MP camera, SX1262 LoRa, GPS, 9-axis IMU, and ESP32-C6 for Wi-Fi 6 and Bluetooth 5.

All-in-one robotics development board with ESP32-S3 (16MB flash, 8MB PSRAM), four-channel 2.5A motor driver, OV2640 camera, WiFi, Bluetooth 5, microSD, and GDI display connector for building smart rob

Simplified T-Echo with nRF52840, SX1262 LoRa, and optional L76K GPS — a low-cost, low-power LoRa node and Meshtastic-compatible board for off-grid mesh networking.

Linux SBC based on Rockchip RV1103 with ARM Cortex-A7 @ 1.2GHz, RISC-V MCU, 0.5 TOPS NPU, 64MB DDR2, 128MB NAND Flash, 10/100M Ethernet (RJ45), MIPI CSI camera, and 25 GPIO pins in a Pico form factor.

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/MicroPyt

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.

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,