REFERENCE DESIGNS

Open hardware, with the files to prove it.

487 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

487

With a design page

487

KiCad projects

220

pmw3360 Pcb

by siderakb

PMW3360 optical mouse sensor breakout board, support both 3.3V and 1.8V logic

192 18CERN-OHL-P-2.0

Spooky-Manufacturing 8Q board, published by Spooky-Manufacturing

KiCad source

Microcontroller boards

Spooky-Manufacturing 8Q

by Spooky-Manufacturing

General Purpose 8 Qubit Optical Quantum Computer

100 22GPL-3.0

KiCad source

Keyboards & input devices

paw3395 Pcb

by badjeff

An open source breakout board for PixArt PAW3395DM-T6QU / PAW3950DM-T5QU low power optical mouse sensor.

37 8CERN-OHL-P-2.0

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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