REFERENCE DESIGNS

Open hardware, with the files to prove it.

387 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

387

With a design page

387

KiCad projects

175

BlueESC

by bluerobotics

Simple, open-source ESC that uses the SimonK firmware.

202 74GPL-3.0

EAGLE source

Sensors & data acquisition

ESP8266 LUA

by ok1cdj

LUA scripts for ESP8266 with NodeMCU firmware

105 62No license

EAGLE source

Sensors & data acquisition

Geophone

by olewolf

Code and Arduino shield for a frequency analyzer for geometric sensors

68 25LGPL-3.0

EAGLE source

Sensors & data acquisition

FSR Endstop

by JohnSL

Force-Sensitive Resistor controller designed for Delta 3D printers for automatic bed leveling

57 20MIT

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Microcontroller boards77 Keyboards & input devices55 Computers & FPGA31 Retro computing30 Audio & music26 Power & batteries24 Displays & LED24 Motor control & robotics23 Sensors & data acquisition21 RF & wireless21 Interfaces & adapters17 Other boards17 IoT & home automation7 Badges & art boards6 Test & measurement5 Automotive & vehicles2 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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