REFERENCE DESIGNS

Open hardware, with the files to prove it.

462 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

462

With a design page

462

KiCad projects

210

Cantact hw

by linklayer

Hardware design files for the CANtact tool

404 120Custom

KiCad source

Retro computing

Ram Tester

by tops4u

Ram Tester for vintage CBM Computer RAM Chips

111 10Custom

Motor control & robotics

EasyCAM5000

by RicardoJCMarques

EasyCAM5000 is collection of CAM tools for Makers. It includes EasyTrace5000 for PCB fabrication/prototyping and EasyShape5000 for 2.5-3D milling + 4th axis. It's 100% web-based, client-side, open-source and free to use.

86 13AGPL-3.0

EAGLE source

Power & batteries

Bus Pirate

by sparkfun

Troubleshooting tool for embedded devices available from SparkFun Electronics

80 12Custom

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

Usbflashprog board, published by robsonsmartins

KiCad source

Test & measurement

Usbflashprog

by robsonsmartins

A memory device programmer (Flash/EPROM/E2PROM) board and software, connected to PC by USB port.

35 7Custom

Proto Pedal board, published by sparkfun

EAGLE source

Audio & music

Proto Pedal

by sparkfun

Prototyping board combined with the fundamental parts of a guitar stompbox.

31 6Custom

CopperForge board, published by Atlantix-EDA

KiCad source

Displays & LED

CopperForge

by Atlantix-EDA

Companion PCB Release & Manufacturing Tool for KiCad

21 2MIT

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Microcontroller boards90 Keyboards & input devices63 Retro computing34 Audio & music31 Computers & FPGA31 Power & batteries30 Motor control & robotics30 Sensors & data acquisition28 Other boards28 Displays & LED27 RF & wireless24 Interfaces & adapters21 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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