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

Redox Keyboard

by mattdibi

Ergonomic split mechanical keyboard

2.0k 183MIT

Microcontroller boards

Open Gamma Detector

by OpenGammaProject

☢️👁️ Hardware for a hackable DIY gamma-ray spectrometer using a popular NaI(Tl) scintillator, SiPM and a Raspberry Pi Pico.

374 52GPL-3.0

Microcontroller boards

Reflowduino

by botletics

Arduino-compatible wireless reflow oven controller ecosystem of open-source hardware

218 57GPL-3.0

pmw3360 Pcb board, published by siderakb

KiCad source

Sensors & data acquisition

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

Retro computing

TMS9918A

by jblang

TMS9918A video card for RC2014

145 24No license

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

Altium Designer Notes And PCB Design Guidelines board, published by amiryeg

Altium source

Retro computing

Altium Designer Notes And PCB Design Guidelines

by amiryeg

How to design a standard PCB layout using Altium Designer

113 28No license

Computers & FPGA

openPCIE

by chili-chips-ba

Peripheral Component Interconnect (PCI) has taken the Express lane long ago, moving to xGbps SerDes. Now for the first time in opensource on the Host side too. Our project roots for the Root Port in 4 ways: |1|openRTL |2|openBFM with unique SIM setup, way faster than vendor's |3|openSW stack |4|one-of-a-kind open backplane.

101 13BSD-3-Clause

Other boards

Pytorch Person ReID Baseline PCB Beyond Part Models

by wangguanan

A strong implementation of PCB (Beyond Part Models), outperforming all existing implementations.

93 17No license

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

Motor control & robotics

Ros dwm1000

by linorobot

Indoor/Outdoor Positioning System based on Decawave's DWM1000 Ultra Wide Band transceivers.

79 35No license

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

Microcontroller boards

OpenDosimeter

by OpenDosimeter

Open-source project for a low-cost battery-powered personal X-ray dosimeter! Using a custom PCB powered by a Raspberry Pico with an X-ray sensor (LYSO crystal + SiPM assembly)

51 17GPL-3.0

Power & batteries

PipBoy Pi5

by SurvivorGrim

PipBoy-Pi5 Project. A how to guide on building your own functional PipBoy from Fallout!

48 6No license

KiCad source

Retro computing

c2c 64

by jsanpe

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

37 4MIT

Power & batteries

Battery Health Monitor

by BEEMB

Battery Health Monitor A compact device for monitoring the State of Health (SoH) and State of Charge (SoC) of lithium batteries. It uses the BQ27441 fuel gauge IC and BQ24075 charger IC, along with an ATmega328P microcontroller, to provide real-time battery data and display it through LED bars.

36 11MIT

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

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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

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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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