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

Capacitive Soil Moisture Sensor

by RonMcKay

Compact and battery powered capacitive soil moisture sensor.

88 10Custom

Openeew Sensor board, published by openeew

KiCad source

Sensors & data acquisition

Openeew Sensor

by openeew

Hardware for an OpenEEW sensor

49 13Apache-2.0

Tepmachcha board, published by DAI-Maker-Lab

KiCad source

Sensors & data acquisition

Tepmachcha

by DAI-Maker-Lab

An open source sonar stream gauge designed to give early warning of flood conditions to residents in vulnerable areas.

19 7MIT

KiCad source

Sensors & data acquisition

sufst Pcb

by sufst

Monorepo for all schematics and PCB designs

19 3GPL-3.0

stm8s001rs485 board, published by TG9541

KiCad source

Sensors & data acquisition

stm8s001rs485

by TG9541

A narrow KiCad made PCB with STM8S001J3, RS485 driver and DS1621S Thermometer, e.g., for STM8EF-MODBUS

19 4MIT

KiCad source

Sensors & data acquisition

OpenMuscle FlexGrid

by Open-Muscle

60-sensor wearable with flexible PCB and pressure matrix

16 2CERN-OHL-S-2.0

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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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