REFERENCE DESIGNS

Open hardware, with the files to prove it.

662 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

662

With a design page

662

KiCad projects

299

Official boards matching “fun”

Exact board pages for widely used TI, ST, Espressif, Arduino, Raspberry Pi and Nordic hardware, linked to the manufacturer’s schematics and design resources.

Browse all 13 official boards

Raspberry PiOfficial resources

Raspberry Pi Pico

The original RP2040 microcontroller board, with castellated edges, USB and exposed debug pins in a compact dual-inline format.

RP2040 + W25Q16JV

View reference board

3 boards in Microcontroller boards matching “fun”Page 1 of 1

EAGLE source

Microcontroller boards

IOIO OTG

by sparkfun

Development Board for Android

26 12Custom

Microcontroller boards

TapeDispenser

by stephenjdc

An open-source recreation of the "Welcome to Kilnettle" tape dispenser from Father Ted.

21 2No license

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

Browse by category

Microcontroller boards131 Keyboards & input devices83 Retro computing47 Power & batteries45 Displays & LED44 Sensors & data acquisition43 Audio & music43 Other boards42 Motor control & robotics40 Computers & FPGA39 Interfaces & adapters36 RF & wireless30 Test & measurement11 IoT & home automation11 Badges & art boards10 Automotive & vehicles4 Cameras & imaging3

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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