Microcontroller boards
Easyduino
by Hanqaqa
Easily dive into different PCB KiCad designs of the most popular microcontroller devboards
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Download ProtoFlowby Hanqaqa
Easily dive into different PCB KiCad designs of the most popular microcontroller devboards
by Chrismettal
Backpack-style addon boards for the Flipper Zero!
by staticintlucas
A small, thin, USB-C, Pro Micro compatible microcontroller
by jkramarz
The Tick is the next evolution in covert access control system implants for simulating adversary-in-the-middle attacks.
by Pakequis
A prototype board with connectors for electronic testing and development.
by 1Bitsy
Small breadboard friendly STM32 (eventually other mcu's too) eval boards with exposed JTAG and SWD for the use with Black Magic Probe and others!
by vul-os
Open hardware: 107 KiCad PCB designs — SMD-to-THT breakout adapters, ATTiny/ATMega/ESP development boards, and a 39-part sensor line on a common JST-SH connector.
by hwstar
Hardware for an ESP8266 or Arduino based AC power meter using the Atmel 90E24 energy management chip
by martinribelotta
STM32H7 Arduino form factor and software compatible board
by mohamedboubaker
STM32 and SIM808 GPS tracker with a custom PCB design and support for MQTT and AES-128 encryption.
by CIRCUITSTATE
Open-Source RP2040 Microcontroller Development Board
by festlv
Serial MAVLink <> WiFi bridge running on ESP8266
by yeokm1
Schematics of the reverse engineered Pixmob wristband used in NDP2016. Sample IR brute-force code is available but has not been fully tested in practice.
by acolomitchi
Files for the capacitive soil moisture (2 kicad projects and 1 arduino sketch with dependencies)
by cnlohr
Test link between an ESP8266 and a base station or another ESP8266 easily.
by cwgstreet
ESP32 wifi enabled quad temperature probe device to monitor bbq meat / pit temperatures with wireless cloud data logging for remote monitoring and push alert notifications
by RobertPHeller
A collection of circuit designs for various MCUs, not just Raspberry Pis relating to Model Railroading
by tomtor
STM32 and AVR128 Printed Circuit Board for creating IOT nodes with the RFM95 LORA chip
by KabukiFlux
JAMMA Xbox360 wired controller for RGBUNTU/PI cheap
by r-pv
An ST development board based on the STM32F030C8T6 MCU compatible with STM32Duino (Arduino).
by mohamedboubaker
A Custom STM32 board that runs on a battery with MCP73831 and is easily programmable with USB thanks to the CP2102 USB-to-UART chip.
by ikajdan
A soldering reflow hot plate based on STM32
by galopago
Misistemote is an Open Source, modular ecosystem that uses pre-made PCB to mix and match your choice of processor board. Is oriented to make small, mobile, battery powered electronic projects work in real conditions in a very short time.
by DADDesign-Projects
"Asynchronous SPDIF Mixer" synchronizes and mixes up to three asynchronous S/PDIF streams into a 48 kHz output. Running on an STM32H743 and developed in C++ with CubeIDE, it compensates for drift with interpolation. A custom KiCad-designed PCB hosts this real-time audio processing solution.
Every project listed here belongs to its author and is linked to its original repository. Licences are read from the repository metadata and summarised for convenience — check the licence file in the project itself before you manufacture or redistribute a design. ProtoFlow does not host, mirror or verify these files. Index last rebuilt 2026-09-21.