STMicroelectronicsOfficial resources
NUCLEO-F401RE
An STM32 Nucleo-64 board based on the STM32F401RE, with an integrated ST-LINK debugger and Arduino Uno compatible expansion headers.
STM32F401RE
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Download ProtoFlow287 published boards whose schematic and layout source is public — KiCad, EAGLE, Altium and EasyEDA projects you can read, fork and build on. Every entry links to the original repository and names its licence.
Exact board pages for widely used TI, ST, Espressif, Arduino, Raspberry Pi and Nordic hardware, linked to the manufacturer’s schematics and design resources.
An STM32 Nucleo-64 board based on the STM32F401RE, with an integrated ST-LINK debugger and Arduino Uno compatible expansion headers.
The RP2350-based successor to Pico, retaining the familiar form factor while adding more performance, memory and security features.
A multi-protocol nRF52840 development kit for Bluetooth Low Energy, Matter, Thread, Zigbee, NFC and proprietary 2.4 GHz designs.
by ExpressLRS
Open-source PCB designs, schematics, and 3D-printable cases for ExpressLRS TX modules and receivers
by OpenGammaProject
☢️👁️ Hardware for a hackable DIY gamma-ray spectrometer using a popular NaI(Tl) scintillator, SiPM and a Raspberry Pi Pico.
by SMotlaq
An open-source handmade smartwatch. All of the codes, PCBs and schematics are available. ⌚
by tjko
Fanpico: Open Source Programmable PWM (PC) Fan Controller
KiCad sourceby staticintlucas
A small, thin, USB-C, Pro Micro compatible microcontroller
by botletics
Arduino-compatible wireless reflow oven controller ecosystem of open-source hardware
KiCad sourceby adamjvr
Footprints for the Espressif ESP32 WiFi/BLE Chip and ESP3212 module, for KiCAD EDA
EAGLE sourceby tjclement
Custom hardware designs for a super tiny $5 WiFi (RGB enabled) LED dimmer module based on the ESP8266
KiCad sourceby 10x-Aero
A 6S AM32-compatible ESC built as a proof of concept for learning how to design an ESC from scratch
EAGLE sourceby mattb
An opamp board to scale Eurorack control voltages into and out of ranges compatible with a Teensy MCU board
by CalPlug
ADE 7953 Arduino style library (Espressif ESP8266 and ESP32 compatible) and demo board PCB design
KiCad sourceby siderakb
Pro Micro/Elite-Pi compatible RP2040 board with USB-C, 8MB flash and up to 25 GPIOs
by mazls
Epoxy coffe table with 3d printed hexagon inserts and led pcbs with touch sensor
KiCad sourceby martinribelotta
STM32H7 Arduino form factor and software compatible board
by aKaReZa75
This repository involves an educational header board for the ATMEGA328 AVR microcontroller, compatible with the Arduino UNO.
by aKaReZa75
Educational shield for the Quectel M66 GSM module, fully compatible with Arduino UNO.
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.