Microcontroller Boards
Tomu
An ARM board that fits inside your USB connector
HiFive1 Rev B
An open source, RISC-V development platform with wireless connectivity
Qomu
An MCU + eFPGA dev kit with 100% vendor-supported open source tools that fits inside your USB port
TinyPICO
A tiny, mighty ESP32 development board
CircuitBrains Deluxe
A tiny, CircuitPython-compatible ARM Cortex-M4 module
Snekboard
An open-hardware Python microcontroller for LEGO®
Omega2+ Expansion Dock
Easily connect modules, sensors, and USB devices to your Omega2+
Open Game Station
A modular, open hardware gaming platform for classic 8-bit games
3DoT Board
The board for building robots
DipDuino
An Arduino clone made for breadboarding
Tiny1284P
A tiny, open source, Arduino-compatible ATmega1284P dev board with USB Type-C for programming and power
Double M33 Express
A feather-compatible development board for the LPC55S69 Arm Cortex-M33
FemtoBeacon
A tiny, open hardware motion sensor with Wi-Fi & Bluetooth capabilities
RoverWing
A shield for Adafruit's Feather boards for making complex robots with ease
SparkFun Thing Plus - QuickLogic EOS S3
An open source and expandable dev board powered by a low-power MCU with embedded FPGA
ATtiny Flasher
Open-hardware flashing tool for the Atmel ATtiny
D-MARK
A versatile, easy-to-use, open source ARM development board
M4-Breadstick
A breadstick built for your breadboard.
MangoPi-Nezha MQ
A tiny, open source RISC-V based developer kit
Espoir
A fully open source ESP32-based PoE+ board with a mikroBUS™ socket and two handy add-on shields
EsPiFF
An ESP32-WROVER with an RP2040 co-processor in a Raspberry Pi 4 form factor
EdgePro1
A tiny, open-source, 600-MHz, ARM-Cortex-M7 board with Wi-Fi & BLE connectivity, LuaJIT support, and an optional carrier board that turns it into a DIY computer
BlueIO832 Mini
A powerful, no-code, app-enabled Bluetooth data communication system based on the Nordic® nRF52832 SoC
Open UpCell
An open source, USB Type C PD, single-cell BMS for Lithium-ion batteries
Riotee
An open-source platform for the battery-free Internet of Things
Epi 32U4
An extremely compact, Arduino-compatible ATmega32U4 USB Type-C dev board
Openthing 1 ESP-CM3
An ESP32-based compute module to replace the Raspberry Pi CM3
PX-HER0 Board
The expert field guide to embedded ARM systems
AAduino Zero
A Wireless Arduino Clone the Size of an AA Battery
µduino
The smallest Arduino ever created
