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

Niubi Headphones

by strangeparts

Flexible circuit board design for adding a headphone jack to an iPhone 7

492 42MIT

RetroWiFiModem board, published by mecparts

KiCad source

Retro computing

RetroWiFiModem

by mecparts

An ESP8266 based RS232 <-> WiFi modem with Hayes AT style commands and LED indicators

254 43GPL-3.0

Altium Designer Notes And PCB Design Guidelines board, published by amiryeg

Altium source

Retro computing

Altium Designer Notes And PCB Design Guidelines

by amiryeg

How to design a standard PCB layout using Altium Designer

113 28No license

KiCad source

Retro computing

Ram Tester

by tops4u

Ram Tester for vintage CBM Computer RAM Chips

111 10Custom

Retro computing

OpenPSX2AmigaPadAdapter

by SukkoPera

Playstation to Commodore Amiga/CD32 Controller Adapter

69 13Custom

nonSNES board, published by stonedDiscord

KiCad source

Retro computing

nonSNES

by stonedDiscord

Super Nintendo Entertainment System PAL schematic and board layout

64 6GPL-3.0

Retro computing

OpenC64WarpSpeed

by SukkoPera

Open Hardware Fast Loader cartridge for the Commodore 64 and 128 - DO NOT USE!!!

50 11Custom

KiCad source

Retro computing

MegaDrive

by stonedDiscord

Sega Mega Drive Schematic and Board Files

45 8No license

Kicad amiga2000 board, published by rhaamo

KiCad source

Retro computing

Kicad amiga2000

by rhaamo

Amiga 2000 revision 6.2 motherboard re-done in KiCAD. WARNING: stability issue with Wicher 500i, could be noise related from accelerator speed.

33 9CC0-1.0

OpenAmigaJoyMouseSwitcher board, published by SukkoPera

KiCad source

Retro computing

OpenAmigaJoyMouseSwitcher

by SukkoPera

Open Hardware Automatic Mouse/Joystick Switcher for Amiga Computers

26 4Custom

Retroverse board, published by transistorfet

KiCad source

Retro computing

Retroverse

by transistorfet

A collection of VME-based hardware and software for modular computers

17 2Custom

KiCad source

Retro computing

ESCPT

by hanya

Tool to draw electrostatic capacitive pad on KiCAD

15 4GPL-3.0

SHINSANWASWITCH board, published by steelpuxnastik

KiCad source

Retro computing

SHINSANWASWITCH

by steelpuxnastik

DIY-friendly photointerrupter microswitch/lamp holder 2-in-1 for generic 100mm Chinese arcade buttons. Enables an OBSA-LHSXF+OBSA-100UMQ-like setup at low cost with generic parts.

14 1MIT

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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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