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

Linbus

by zapta

An Arduino based LINBUS stack and signal interceptor/injector.

208 73No license

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

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

Microcontroller boards

Pwdr Model 0.1

by Pwdr

A powder substrate rapid prototyping machine

130 69No license

EAGLE source

Microcontroller boards

ArdunioTHC

by regeg

Arduino-based CNC Plasma torch system Torch Height Controller

86 56Custom

EAGLE source

Microcontroller boards

Magspoof r3

by RyscCorp

Magspoof R3 - Wireless magnetic stripe emulator

70 24GPL-3.0

EAGLE source

Microcontroller boards

AstroEQ

by TCWORLD

DIY Electronics System for connecting a non-Goto telescope to EQMOD

56 41Custom

EAGLE source

Microcontroller boards

Esr Meter

by fmeschia

Arduino-based battery internal resistance meter

48 21Apache-2.0

EAGLE source

Microcontroller boards

Esp Rgbww Controller

by patrickjahns

Custom Board to control RGB + WW channels via Wifi utziling ESP8266

45 15No license

Field Derotator board, published by cytan299

EAGLE source

Microcontroller boards

Field Derotator

by cytan299

A Field DeRotator for Alt-Az Mounted Telescopes Used for Astrophotography

36 4GPL-3.0

EAGLE source

Microcontroller boards

LittleHelper

by appfruits

This is the Arduino compatible firmware running Little Helper, a little device that is useful in electronic labs. The firmware also shows how to build a more complex LCD based application, featuring a few standard controls.

28 0MIT

Ikea Molgan Hack board, published by Yveaux

EAGLE source

Microcontroller boards

Ikea Molgan Hack

by Yveaux

Ikea Molgan PIR LED light hack to add wireless Arduino functionality

11 4GPL-3.0

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Microcontroller boards135 Keyboards & input devices86 Retro computing50 Displays & LED47 Power & batteries46 Sensors & data acquisition45 Other boards45 Audio & music44 Computers & FPGA41 Motor control & robotics40 Interfaces & adapters37 RF & wireless31 Test & measurement12 IoT & home automation11 Badges & art boards10 Automotive & vehicles4 Cameras & imaging3

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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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