REFERENCE DESIGNS

Open hardware, with the files to prove it.

687 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

687

With a design page

687

KiCad projects

311

NWatch

by ZakKemble

N|Watch - DIY Digital Wristwatch

398 129GPL-3.0

EAGLE source

Other boards

Sam Board

by Ttl

Hardware and software files for custom AT91SAM9N12 Linux board

189 53No license

EAGLE source

Other boards

SolderingStation

by ConnyCola

Schemetics and Code for a DIY weller soldering station

158 66No license

EAGLE source

Other boards

ADNS 9800

by mrjohnk

Avago ADNS-9800 Test

95 39No license

EAGLE source

Other boards

Kicksat

by zacmanchester

A tiny open source/open hardware spacecraft project

83 31No license

EAGLE source

Other boards

Ardustat

by dansteingart

Code for a very cheap, pretty darn good potentiostat/galvanostat

32 17BSD-2-Clause

EAGLE source

Other boards

Arduino Walkie Talkie Instructable

by hoilett

Create a simple walkie talkie using two Arduinos and two nRF24 modules

30 12MIT

EAGLE source

Other boards

PICnc V2

by kinsamanka

PICnc V2 is a PIC32 based hardware step generator board that is designed for MachineKit

29 34GPL-2.0

EAGLE source

Other boards

Chestnut PCB

by Open-Bionics

Electronics & software files for the Chestnut/Chestnut+ PCB for the Brunel hand

28 20GPL-3.0

Browse by category

Microcontroller boards135 Keyboards & input devices86 Retro computing50 Displays & LED47 Power & batteries46 Sensors & data acquisition45 Other boards45 Audio & music44 Computers & FPGA41 Motor control & robotics40 Interfaces & adapters37 RF & wireless31 Test & measurement12 IoT & home automation11 Badges & art boards10 Automotive & vehicles4 Cameras & imaging3

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.

Loading…