REFERENCE DESIGNS

Open hardware, with the files to prove it.

437 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

437

With a design page

437

KiCad projects

199

Browse by category

Microcontroller boards86 Keyboards & input devices61 Computers & FPGA31 Retro computing31 Power & batteries29 Audio & music29 Motor control & robotics27 Sensors & data acquisition26 Other boards26 Displays & LED25 RF & wireless23 Interfaces & adapters18 Test & measurement8 IoT & home automation7 Badges & art boards6 Automotive & vehicles3 Cameras & imaging1

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.

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