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

Altium Designer Notes And PCB Design Guidelines

by amiryeg

How to design a standard PCB layout using Altium Designer

113 28No license

Battman Hardware board, published by raphaelchang

Altium source

Power & batteries

Battman Hardware

by raphaelchang

PCB designs for Battman lithium ion battery management system

60 22LGPL-3.0

yasir-shahzad Altium Library board, published by yasir-shahzad

Altium source

Microcontroller boards

yasir-shahzad Altium Library

by yasir-shahzad

🖥️ Altium Library with 4000+ components! 🛠️ It ensures design accuracy 📐 and includes 3D STEP models 📏✨—perfect for engineers! 🚀😊 Let me know if you need more! 👍

39 2GPL-3.0

Altium source

Keyboards & input devices

Steezy60

by 4pplet

Steezy60 is a 60% PCB in two versions: one for SMK gen 2 switches one for ALPS-compatible switches. Compatible with standard tray-mount cases. BIG layout compatibility.

30 5Custom

Led Shelf Controller board, published by AShadyPCB

Altium source

Audio & music

Led Shelf Controller

by AShadyPCB

Silent 25 kHz H-bridge replacement for a whining 24V tunable white/orange LED shelf controller. STM32 + BLE, reverse engineered from the original, with scope and audio FFT documentation.

17 1MIT

SMotlaq Altium Library board, published by SMotlaq

Altium source

Badges & art boards

SMotlaq Altium Library

by SMotlaq

A custom Altium Designer library that I created over 5 years. It includes custom footprints and schematic symbols for various components. 🛠📐

8 0MIT

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Microcontroller boards135 Keyboards & input devices86 Retro computing50 Displays & LED47 Power & batteries46 Sensors & data acquisition45 Other boards45 Audio & music44 Computers & FPGA41 Motor control & robotics40 Interfaces & adapters37 RF & wireless31 Test & measurement12 IoT & home automation11 Badges & art boards10 Automotive & vehicles4 Cameras & imaging3

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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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