REFERENCE DESIGNS

Open hardware, with the files to prove it.

387 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

387

With a design page

387

KiCad projects

175

ATmega Soldering Station

by wagiminator

T12 Quick Heating Soldering Station

1.1k 323Custom

Goldfish board, published by staticintlucas

KiCad source

Microcontroller boards

Goldfish

by staticintlucas

A small, thin, USB-C, Pro Micro compatible microcontroller

219 37No license

Microcontroller boards

Reflowduino

by botletics

Arduino-compatible wireless reflow oven controller ecosystem of open-source hardware

218 57GPL-3.0

KiCad source

Microcontroller boards

TheTick

by jkramarz

The Tick is the next evolution in covert access control system implants for simulating adversary-in-the-middle attacks.

183 18GPL-3.0

KiCad source

Microcontroller boards

Sirboard

by vul-os

Open hardware: 107 KiCad PCB designs — SMD-to-THT breakout adapters, ATTiny/ATMega/ESP development boards, and a 39-part sensor line on a common JST-SH connector.

55 17Apache-2.0

Microcontroller boards

eBoard ATMEGA328

by aKaReZa75

This repository involves an educational header board for the ATMEGA328 AVR microcontroller, compatible with the Arduino UNO.

39 4GPL-3.0

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Microcontroller boards77 Keyboards & input devices55 Computers & FPGA31 Retro computing30 Audio & music26 Power & batteries24 Displays & LED24 Motor control & robotics23 Sensors & data acquisition21 RF & wireless21 Interfaces & adapters17 Other boards17 IoT & home automation7 Badges & art boards6 Test & measurement5 Automotive & vehicles2 Cameras & imaging1

Browse board families

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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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