REFERENCE DESIGNS

Open hardware, with the files to prove it.

687 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

687

With a design page

687

KiCad projects

311

6502

by dbuchwald

DB6502: 65C02 based computer inspired by BE6502

176 37MIT

Computers & FPGA

Pico 56

by visrealm

The HBC-56 (65C02/TMS9918A/AY-3-8910 retro computer) fully emulated on a Raspberry Pi Pico

171 19MIT

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

KiCad source

Computers & FPGA

Nhyodyne

by lynchaj

Modular Backplane Computer

31 5No license

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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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