REFERENCE DESIGNS

Open hardware, with the files to prove it.

337 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

337

With a design page

337

KiCad projects

152

DuPAL Board

by DuPAL-PAL-DUmper

This repository contains the KiCad files and the gerber files for the DuPAL boards.

57 10CC-BY-SA-4.0

Audio & music

Q17 Amplifier

by stefaweb

The Q17 is an error correction HIFI amplifier based on the QUAD405 current dumping principle.

25 15GPL-3.0

Interfaces & adapters

GB Dumper

by wodowiesel

GB-Dumper is a PCB project for Gameboy cartridge dumps and backups via Arduino Nano on spi-bus & USB

14 1CC0-1.0

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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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