REFERENCE DESIGNS

Open hardware, with the files to prove it.

612 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

612

With a design page

612

KiCad projects

275

Samoklava

by soundmonster

Generated keyboard

389 201MIT

pc Kharon 386 board, published by UzixLS

KiCad source

Audio & music

pc Kharon 386

by UzixLS

Tiny IBM PC compatible machine with 386 CPU, integrated VGA and sound.

109 14CC-BY-SA-4.0

rc2014 ym2149 board, published by electrified

KiCad source

Retro computing

rc2014 ym2149

by electrified

KiCad schematics and gerbers for a YM sound card for the RC2014. See it in action here: https://www.youtube.com/watch?v=-iLwi9FagFE

78 17Custom

KiCad source

Retro computing

RealSIDShield

by atbrask

An Arduino shield that makes it easy to use a MOS Technology 6581/8580 SID chip (the famous C64 sound chip)

51 11No license

zx Multisound board, published by UzixLS

KiCad source

Audio & music

zx Multisound

by UzixLS

ZX Spectrum soundcard for NEMOBUS/ZXBUS

37 19MIT

KiCad source

Audio & music

picogus104

by UzixLS

PicoGUS sound card for PC/104 interface

23 2No license

KiCad source

Retro computing

zx Tsid

by UzixLS

MOS SID sound card for ZX Spectrum

22 5MIT

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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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