REFERENCE DESIGNS

Open hardware, with the files to prove it.

512 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

512

With a design page

512

KiCad projects

233

Browse by category

Microcontroller boards98 Keyboards & input devices69 Retro computing36 Other boards34 Power & batteries33 Audio & music33 Sensors & data acquisition32 Motor control & robotics32 Displays & LED32 Computers & FPGA32 Interfaces & adapters27 RF & wireless24 IoT & home automation10 Test & measurement9 Badges & art boards6 Automotive & vehicles4 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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