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

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

AstroEQ

by TCWORLD

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

56 41Custom

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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

Browse board families

ESP32ESP32 PCB design ArduinoArduino PCB design Raspberry Pi / RP2040Raspberry Pi PCB STM32STM32 PCB design Keyboard PCBkeyboard PCB design Power supplypower supply PCB design Battery chargerbattery charger PCB Motor controllermotor controller PCB Audio amplifieraudio amplifier PCB USB-CUSB-C PCB layout FPGAFPGA board design LoRaLoRa PCB design CAN busCAN bus PCB layout Dronedrone PCB design

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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