REFERENCE DESIGNS

Open hardware, with the files to prove it.

287 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

287

With a design page

287

KiCad projects

137

RISCBoy

by Wren6991

Portable games console, designed from scratch: CPU, graphics, PCB, and the kitchen sink

507 21No license

Arduinocade board, published by rossumur

EAGLE source

Retro computing

Arduinocade

by rossumur

Play color retro games on an arduino with a few cheap components

161 23No license

Retro computing

TMS9918A

by jblang

TMS9918A video card for RC2014

145 24No license

Retro computing

SNES FeRAM Cart

by soniccd123

Open Hardware SNES Cartridge with save capability

87 17No license

Bad Thing of The Edge Keyboard board, published by Pakequis

KiCad source

Keyboards & input devices

Bad Thing of The Edge Keyboard

by Pakequis

Mechanical keyboard for left hand with Raspberry Pi Pico for games.

44 4MIT

Microcontroller boards

Sim Racing Shields

by dmadison

Add-on circuit boards ("shields") for connecting Arduino development boards to sim racing equipment.

44 4GPL-3.0

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Microcontroller boards59 Keyboards & input devices51 Computers & FPGA28 Retro computing25 Audio & music18 Displays & LED17 Sensors & data acquisition15 RF & wireless15 Motor control & robotics15 Power & batteries12 Other boards12 Interfaces & adapters7 IoT & home automation5 Test & measurement4 Badges & art boards3 Cameras & imaging1

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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