Open Hardware Directory

Espressif ESP32-C6 WROOM module with 4MB flash and PCB antenna, supporting Wi-Fi 6 (802.11ax), Bluetooth 5 LE, Zigbee 3.0, and Thread — for soldering onto custom IoT hardware.

Arduino-Uno-compatible board with RP2350, dual ARM Cortex-M33 at 150 MHz, 520KB SRAM, 16MB QSPI flash, microSD, HSTX port, 23 GPIO on headers, NeoPixel, STEMMA QT, and USB-C.

ESP32-WROVER-E development board with A7608E-H LTE Cat-1 modem supporting voice, SMS, GPS, and multi-band LTE-FDD/TDD connectivity for Europe with 18650 battery support.

ESP32-S3 board with 6 onboard relays, 16MB flash, 8MB PSRAM, WiFi, and BLE for ESPHome smart home automation, controlling lights, appliances, and HVAC systems.

High-speed Feather-form-factor dev board with STM32F405 ARM Cortex-M4F @ 168MHz, 1MB Flash, 192KB RAM, 2MB SPI Flash, USB-C, STEMMA QT, SD card socket, and LiPo charging. Adafruit's fastest CircuitPyt

Compact Linux SBC based on Rockchip RK3506G2 with triple-core ARM Cortex-A7 @ 1.2GHz + Cortex-M0, 128MB DDR3L, 256MB NAND Flash, 100M Ethernet, MIPI DSI display output, 24 Rockchip Matrix IO pins, and

$29 Allwinner H6 mini PC running Armbian with 2GB RAM, 16GB eMMC, HDMI 2.0, WiFi 4, USB 3.0, and a fanless aluminum enclosure — the most affordable ARM Linux computer with Armbian Platinum support.

Card-sized x86 compute module with Intel N100 quad-core (up to 3.4GHz), 8GB LPDDR5, 64GB eMMC, 9 PCIe 3.0 lanes, triple display output, and open-source KiCAD carrier board design for custom embedded s

High-speed 315 RPM direct drive servo motor with RS485 bus, 12-bit encoder, and IP54 waterproof rating — ideal for RC cars, mobile robots, and DIY robotics platforms.

Open-source ESP32-S3 device that detects FAA Remote ID drone broadcasts and BLE devices, reporting alerts over the Meshtastic LoRa mesh network. Uses XIAO ESP32-S3 + Heltec V3.

The quintessential beginner microcontroller board with ATmega328P @ 16MHz, 32KB Flash, 2KB SRAM, 14 digital I/O, 6 analog inputs, USB-B for programming, DC barrel jack, and the R3 expanded shield head

The Raspberry Pi Pico 2W is a wireless microcontroller board built on the RP2350 chip, delivering dual Cortex-M33 or RISC-V cores at 150MHz with 2.4GHz WiFi 4 (WPA3), Bluetooth 5.2, and 4MB flash — a

Arduino Uno-compatible development board powered by ATSAMD21G18 Cortex M0+ at 48MHz with 256KB flash, 32KB SRAM, 2MB SPI flash, and CircuitPython pre-loaded. Features Arduino shield compatibility and

STM32H723-based CNC engraving machine control board with 4x TMC2160 drivers (24-56V/4.7A RMS), RepRapFirmware support, ESP32 WiFi, USB-C, RS-485, CAN bus, VFD spindle control, and relay output.

Ultra-affordable open-source ESP32-H2 dev board for Thread, Zigbee, and Matter — BLE 5, LiPo charging, Qwiic/Stemma, dual USB-C, for €5.95.

Arduino Mega-form-factor board with ATSAMD51P20 Cortex M4F at 120MHz, 1MB flash, 256KB RAM, 8MB QSPI flash, 70 GPIO pins, SD card slot, 8 SERCOM, 22 PWM outputs, dual DAC/ADC, AES-256, and native USB.

Ultra-compact 45\u00d745mm Linux SBC with RK3528A quad-core Cortex-A53 at 1.8GHz, up to 2GB RAM, Gigabit Ethernet, M.2 WiFi slot, USB 2.0, 30-pin GPIO, and 4K HDMI — starting at just $18.

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 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.

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

Raspberry Pi-sized RISC-V SBC with SpacemiT K1 octa-core @ 1.8GHz, 2 TOPS NPU, WiFi 6, Gigabit Ethernet, M.2 NVMe, mPCIe for 4G/5G, and a 40-pin GPIO header — a full-featured RISC-V Linux developer bo

Tiny 27×15mm Arduino-compatible microcontroller board with ATtiny85 at 8 MHz, 3.3V logic, 8KB flash, 3 GPIO pins, and Micro USB programming for minimal space-constrained projects.

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

ESP8266 development board with 1.3-inch SH1106 OLED display, 8 digital I/O pins, CH9102 USB-serial, 3.3V operation, WiFi 802.11 b/g/n, and JST 1.25mm LiPo connector — supports ESPHome and Tasmota firm

Ultra-compact open-source Linux SBC by BeagleBoard.org, powered by the TI AM625 SoC with 512MB LPDDR4, USB-C OTG, and microSD — designed for deeply embedded projects where minimal size matters.