REFERENCE DESIGNS

Open hardware, with the files to prove it.

287 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

287

With a design page

287

KiCad projects

137

NWatch

by ZakKemble

N|Watch - DIY Digital Wristwatch

398 129GPL-3.0

Esp Dimmer Hardware board, published by tjclement

EAGLE source

Microcontroller boards

Esp Dimmer Hardware

by tjclement

Custom hardware designs for a super tiny $5 WiFi (RGB enabled) LED dimmer module based on the ESP8266

168 29No license

EAGLE source

Motor control & robotics

Robot Hands

by OpenBionics

Affordable (< 100$), light-weight (< 200 gr), adaptive, underactuated robot hands

137 38Custom

EAGLE source

Other boards

ramanSpectrometer

by flatCat1597

ramanPi - the DIY 3D Printable Raman Spectrometer

113 78Custom

Redoubler board, published by alwynallan

EAGLE source

RF & wireless

Redoubler

by alwynallan

Open RNG based on Modular Entropy Multiplication

104 9GPL-3.0

EAGLE source

Microcontroller boards

Teensy cv

by mattb

An opamp board to scale Eurorack control voltages into and out of ranges compatible with a Teensy MCU board

73 9BSD-2-Clause

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Browse board families

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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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