REFERENCE DESIGNS

Open hardware, with the files to prove it.

112 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

112

With a design page

112

KiCad projects

siderakb pmw3610 Pcb

by siderakb

PMW3610 laser mouse sensor breakout board, support either 1.8V or 3.3V logic

119 17CERN-OHL-P-2.0

Motor control & robotics

jsVoronoiPCB

by caiannello

Javascript app to process a PCB image and output G-code suitable for laser engraver or similar machine. To reduce tool time, by default, the board traces are Voronoi Tesselated, though this is optional.

59 4MIT

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Microcontroller boards24 Keyboards & input devices22 Computers & FPGA15 Retro computing10 Motor control & robotics7 Audio & music6 Power & batteries5 RF & wireless5 Sensors & data acquisition4 Other boards4 Displays & LED3 IoT & home automation3 Interfaces & adapters3 Badges & art boards1

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

pcb 36 kicad 25 keyboard 16 electronics 14 diy 14 arduino 13 esp32 13 hardware 7 fpga 7 3d-printing 6 pcb-design 5 ergonomic-keyboard 4 firmware 4 oshw 4 embedded 4 amiga 4

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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