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 aKaReZa75
This repository involves an educational header board for the ATMEGA328 AVR microcontroller, compatible with the Arduino UNO.
KiCad sourceby 4x1md
AFSK interface for Android smartphones and tablets.
by zjuyzj
A re-designed, simplified version of OPL2LPT Adlib-Compatible sound card working on printer port.
by aKaReZa75
Educational shield for the Quectel M66 GSM module, fully compatible with Arduino UNO.
KiCad sourceby cajunpanda
A HiFi audio mod for various Game Boy models
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.