REFERENCE DESIGNS

Open hardware, with the files to prove it.

387 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

387

With a design page

387

KiCad projects

175

zx Sizif 512

by UzixLS

ZX Spectrum CPLD-based clone for rubber case

194 32MIT

zx Multisound board, published by UzixLS

KiCad source

Audio & music

zx Multisound

by UzixLS

ZX Spectrum soundcard for NEMOBUS/ZXBUS

37 19MIT

KiCad source

Computers & FPGA

zx Sizif 128

by UzixLS

Easy-to-build minimalistic ZX Spectrum clone

32 6MIT

zx Sizif 512 Ext board, published by UzixLS

KiCad source

Computers & FPGA

zx Sizif 512 Ext

by UzixLS

Extension board for Sizif-512

19 7MIT

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Microcontroller boards77 Keyboards & input devices55 Computers & FPGA31 Retro computing30 Audio & music26 Power & batteries24 Displays & LED24 Motor control & robotics23 Sensors & data acquisition21 RF & wireless21 Interfaces & adapters17 Other boards17 IoT & home automation7 Badges & art boards6 Test & measurement5 Automotive & vehicles2 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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