REFERENCE DESIGNS

Open hardware, with the files to prove it.

512 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

512

With a design page

512

KiCad projects

233

esp32 4 Channel Relays

by leomanangka

PCB design four channel relays with ESP32-WROOM-32

69 16CERN-OHL-P-2.0

Reverse Engineering ndp2016 Wristband board, published by yeokm1

KiCad source

Microcontroller boards

Reverse Engineering ndp2016 Wristband

by yeokm1

Schematics of the reverse engineered Pixmob wristband used in NDP2016. Sample IR brute-force code is available but has not been fully tested in practice.

28 5MIT

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Microcontroller boards98 Keyboards & input devices69 Retro computing36 Other boards34 Power & batteries33 Audio & music33 Sensors & data acquisition32 Motor control & robotics32 Displays & LED32 Computers & FPGA32 Interfaces & adapters27 RF & wireless24 IoT & home automation10 Test & measurement9 Badges & art boards6 Automotive & vehicles4 Cameras & imaging1

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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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