Open hardware, with the files to prove it.

162 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.

Boards indexed

162

With a design page

162

KiCad projects

83

Browse by category

Keyboards & input devices33 Microcontroller boards32 Computers & FPGA21 Retro computing13 Audio & music10 Motor control & robotics9 Sensors & data acquisition8 Power & batteries8 RF & wireless6 Displays & LED6 Other boards6 Interfaces & adapters4 IoT & home automation3 Badges & art boards2 Test & measurement1

Browse board families

ESP32ESP32 PCB design ArduinoArduino PCB design Raspberry Pi / RP2040Raspberry Pi PCB STM32STM32 PCB design Keyboard PCBkeyboard PCB design Power supplypower supply PCB design Battery chargerbattery charger PCB Motor controllermotor controller PCB Audio amplifieraudio amplifier PCB USB-CUSB-C PCB layout FPGAFPGA board design LoRaLoRa PCB design CAN busCAN bus PCB layout Dronedrone PCB design

Repository topics

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.