REFERENCE DESIGNS

Open hardware, with the files to prove it.

187 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

187

With a design page

187

KiCad projects

Raemixx500

by SukkoPera

Open Hardware Remake of the Commodore Amiga 500+ Mainboard

313 37No license

KiCad source

Computers & FPGA

Wrench Board

by Junkz3

A senior microsoldering technician, available to every repair shop from the seasoned pro to the apprentice. Powered by Claude Opus 5

238 58Custom

kylemanna Sniffer board, published by kylemanna

KiCad source

IoT & home automation

kylemanna Sniffer

by kylemanna

ESP32 Air Quality Sensor with PMSA003 + BME680 and 1.14" LCD

165 17Custom

Tokay Lite Pcb board, published by maxlab-io

KiCad source

Microcontroller boards

Tokay Lite Pcb

by maxlab-io

Tokay AI Camera - ESP32 camera development board

126 27CERN-OHL-P-2.0

DonCon2040 board, published by ravinrabbid

KiCad source

Microcontroller boards

DonCon2040

by ravinrabbid

RP2040 based firmware and hardware for DIY Taiko no Tatsujin Drum Controllers

64 9MIT

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

KiCad source

Interfaces & adapters

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

KiCad source

Power & batteries

Jlcsearch

by tscircuit

Find parts from JLCPCB matching design constraints (resistance values, capacitance, tolerance etc.)

33 221MIT

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Keyboards & input devices38 Microcontroller boards37 Computers & FPGA23 Retro computing14 Audio & music12 Sensors & data acquisition11 Motor control & robotics10 Displays & LED9 Power & batteries8 RF & wireless7 Other boards6 Interfaces & adapters5 IoT & home automation3 Badges & art boards2 Test & measurement1 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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