Open hardware, with the files to prove it.

337 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

337

With a design page

337

KiCad projects

152

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Microcontroller boards68 Keyboards & input devices52 Computers & FPGA30 Retro computing27 Displays & LED22 Audio & music21 Sensors & data acquisition20 RF & wireless19 Motor control & robotics19 Power & batteries17 Interfaces & adapters14 Other boards12 IoT & home automation6 Badges & art boards5 Test & measurement4 Cameras & imaging1

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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

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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.

Open hardware, with the files to prove it.

Gameboy Color Cartridge

LENINGRAD 2 48k

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Open hardware, with the files to prove it.

Gameboy Color Cartridge

LENINGRAD 2 48k

Browse by category

Browse board families

Repository topics