REFERENCE DESIGNS

Open hardware, with the files to prove it.

412 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

412

With a design page

412

KiCad projects

187

pmw3360 Pcb

by siderakb

PMW3360 optical mouse sensor breakout board, support both 3.3V and 1.8V logic

192 18CERN-OHL-P-2.0

Ergo Snm Keyboard board, published by siderakb

KiCad source

Keyboards & input devices

Ergo Snm Keyboard

by siderakb

ErgoSNM is a split ergonomic keyboard integrated with trackball, wireless is in beta

170 12CERN-OHL-P-2.0

BE6502 Build a 65c02 Computer board, published by tebl

KiCad source

Computers & FPGA

BE6502 Build a 65c02 Computer

by tebl

A PCB being made while watching Ben Eaters "Build a 6502 computer" video series. Includes the computer itself, a standalone slow clock and an Arduino Mega shield for the bus monitor sketch..

128 19Custom

siderakb pmw3610 Pcb board, published by siderakb

KiCad source

Keyboards & input devices

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

KiCad source

Microcontroller boards

rp Micro

by siderakb

Pro Micro/Elite-Pi compatible RP2040 board with USB-C, 8MB flash and up to 25 GPIOs

65 15CERN-OHL-P-2.0

KiCad source

Retro computing

sdtv2csi

by rniwase

Board for converting SDTV analog video to MIPI CSI-2 using Analog Devices ADV7280A-M.

53 10CC0-1.0

KiCad source

Retro computing

c2c 64

by jsanpe

A Composite & S-video to Component transcoder for the OSSC

37 4MIT

Piboy Zero board, published by JohSchneider

KiCad source

Displays & LED

Piboy Zero

by JohSchneider

a handheld gaming system build around the raspberry-pi zero running emulationstation

34 7MIT

KiCad source

Interfaces & adapters

Psdaptwor

by Swyter

An experimental PC adapter for EPCOT —the PlayStation®VR2 headset— that splits USB Type-C® into DisplayPort video, USB 3 data and power. Intercepting its DP-AUX/SBU and CC side channels.

22 1CERN-OHL-S-2.0

KiCad source

Audio & music

Dendy

by UzixLS

Yet another Dendy (Famicom) clone - 8-bit home video game console

19 1No license

Tepmachcha board, published by DAI-Maker-Lab

KiCad source

Sensors & data acquisition

Tepmachcha

by DAI-Maker-Lab

An open source sonar stream gauge designed to give early warning of flood conditions to residents in vulnerable areas.

19 7MIT

KiCad source

Displays & LED

rgb2svideo

by UzixLS

Converts RGB + Sync analog signal to S-Video (and also Composite).

13 2MIT

Browse by category

Microcontroller boards81 Keyboards & input devices58 Computers & FPGA31 Retro computing30 Power & batteries27 Audio & music26 Displays & LED25 Sensors & data acquisition24 Motor control & robotics24 Other boards24 RF & wireless21 Interfaces & adapters18 IoT & home automation7 Test & measurement6 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.

Loading…