REFERENCE DESIGNS

Open hardware, with the files to prove it.

162 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

162

With a design page

162

KiCad projects

Bms c1

by LibreSolar

16s / 100A Battery Management System

258 70Custom

ESP8266 Tiny Door And Window Sensor board, published by 8n1

EAGLE source

Microcontroller boards

ESP8266 Tiny Door And Window Sensor

by 8n1

Battery powered door and window sensor with ultra low standby power. Arduino, ESP-12, Reed switch, ATtiny, LDO

173 32No license

Microcontroller boards

OpenDosimeter

by OpenDosimeter

Open-source project for a low-cost battery-powered personal X-ray dosimeter! Using a custom PCB powered by a Raspberry Pico with an X-ray sensor (LYSO crystal + SiPM assembly)

51 17GPL-3.0

Power & batteries

Battery Health Monitor

by BEEMB

Battery Health Monitor A compact device for monitoring the State of Health (SoH) and State of Charge (SoC) of lithium batteries. It uses the BQ27441 fuel gauge IC and BQ24075 charger IC, along with an ATmega328P microcontroller, to provide real-time battery data and display it through LED bars.

36 11MIT

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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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