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

HASwitchPlate

by aderusha

LCD touchscreen for Home Automation

738 129MIT

Air Quality Sensor board, published by roepkefeller

KiCad source

IoT & home automation

Air Quality Sensor

by roepkefeller

DIY air quality monitor: ESP32-C3, 4 Sensirion/Bosch sensors, custom 4-layer PCB, ESPHome firmware with Home Assistant integration.

57 2No license

KiCad source

IoT & home automation

Nest Audio Pcb

by rauli2780

Open-source drop-in PCB replacement for Google Nest Audio with Home Assistant integration

36 0Custom

Esp Atx Power board, published by valletw

KiCad source

IoT & home automation

Esp Atx Power

by valletw

ESP32 ATX Power Controller

27 2MIT

KiCad source

IoT & home automation

BeeLight

by Kampi

Zigbee environment sensor device with Zigbee2MQTT support.

16 4GPL-3.0

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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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