REFERENCE DESIGNS

Open hardware, with the files to prove it.

562 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

562

With a design page

562

KiCad projects

253

zeta256

by jmacarthur

The Zeta minimal Z80 toggle-switch computer

100 9Custom

Retro computing

Genesis FeRAM Cart

by soniccd123

A open Sega Genesis cartridge PCB

89 22No license

Retro computing

SNES FeRAM Cart

by soniccd123

Open Hardware SNES Cartridge with save capability

87 17No license

Gameboy Color Cartridge board, published by Xyl2k

EAGLE source

Retro computing

Gameboy Color Cartridge

by Xyl2k

Board layout for an eeprom powered GB cartridge

75 23Unlicense

Retro computing

OpenC64WarpSpeed

by SukkoPera

Open Hardware Fast Loader cartridge for the Commodore 64 and 128 - DO NOT USE!!!

50 11Custom

Microcontroller boards

Gba Cartridge

by jojolebarjos

Experiments about GameBoy Advance and how cartridges work

36 6MIT

Badges & art boards

Vectrex Cartridge

by technobly

Vectrex Cartridge PCB reference design

23 4Custom

KiCad source

Computers & FPGA

tsuraraGB

by rniwase

Nintendo Gameboy cartridge-shaped FPGA development board

16 5BSD-3-Clause

KiCad source

Displays & LED

rgb2ypbpr

by UzixLS

RGB to YPbPr converter

15 2MIT

Interfaces & adapters

GB Dumper

by wodowiesel

GB-Dumper is a PCB project for Gameboy cartridge dumps and backups via Arduino Nano on spi-bus & USB

14 1CC0-1.0

Scart Megadrive 2 12v Cable board, published by KabukiFlux

KiCad source

Interfaces & adapters

Scart Megadrive 2 12v Cable

by KabukiFlux

PCB form Megadrive/Genesis 2 RGB minidin to Scart adapter with 12V DCDC boost (4:3 switching)

11 1MIT

Duplicanator Scart Duplicator board, published by KabukiFlux

KiCad source

Power & batteries

Duplicanator Scart Duplicator

by KabukiFlux

Duplicanator the Scart Duplicator

11 2MIT

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Microcontroller boards107 Keyboards & input devices73 Power & batteries38 Other boards38 Audio & music37 Displays & LED37 Retro computing37 Sensors & data acquisition36 Motor control & robotics36 Computers & FPGA34 Interfaces & adapters28 RF & wireless26 Test & measurement10 IoT & home automation10 Badges & art boards8 Automotive & vehicles4 Cameras & imaging3

Browse board families

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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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