REFERENCE DESIGNS

Open hardware, with the files to prove it.

62 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

With a design page

KiCad projects

Electrical

by murexrobotics

Highly integrated electronics design and printed circuit boards (PCBs) for the MATE ROV Competition. Attempt the impossible.

192 6MIT

Mackerel 68k board, published by crmaykish

KiCad source

Computers & FPGA

Mackerel 68k

by crmaykish

A series of single-board Motorola 68k computers with support for modern Linux

94 7MIT

Browse by category

Keyboards & input devices14 Microcontroller boards13 Computers & FPGA12 Retro computing5 Audio & music4 RF & wireless3 Motor control & robotics3 Sensors & data acquisition2 Power & batteries2 IoT & home automation2 Interfaces & adapters1 Other boards1

Browse board families

ESP32ESP32 PCB design ArduinoArduino PCB design Raspberry Pi / RP2040Raspberry Pi PCB Keyboard PCBkeyboard PCB design Battery chargerbattery charger PCB Motor controllermotor controller PCB Audio amplifieraudio amplifier PCB FPGAFPGA board design LoRaLoRa PCB design Dronedrone PCB design

Repository topics

pcb 24 kicad 16 keyboard 14 diy 10 esp32 8 electronics 7 arduino 7 fpga 6 hardware 5 ergonomic-keyboard 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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