REFERENCE DESIGNS

Open hardware, with the files to prove it.

362 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

362

With a design page

362

KiCad projects

163

zx Sizif 512

by UzixLS

ZX Spectrum CPLD-based clone for rubber case

194 32MIT

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

abn6502 board, published by AndersBNielsen

KiCad source

Computers & FPGA

abn6502

by AndersBNielsen

Solving the global IC shortage by reusing old stuff!

94 14Custom

KiCad source

Computers & FPGA

Pi5 PCIe

by m1geo

A crude reverse engineering of the Pi5 PCIe connector & potential breakout boards.

87 5MIT

KiCad source

Computers & FPGA

zx Sizif Xxs

by UzixLS

Smallest ZX Spectrum clone with real Z80 and FPGA

49 10MIT

mist1010 Board board, published by UzixLS

KiCad source

Computers & FPGA

mist1010 Board

by UzixLS

10x10cm PCB variant of MIST FPGA project for G738/G706 enclosure

43 14MIT

KiCad source

Computers & FPGA

Kicad Conversions Atari Ste Motherboard c300780 001

by sporniket

A conversion to Kicad EDA of the schematics of a computer released around 1989 known as the "Atari STE".

35 9CC0-1.0

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

KiCad source

Computers & FPGA

tsuraraGB

by rniwase

Nintendo Gameboy cartridge-shaped FPGA development board

16 5BSD-3-Clause

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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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