REFERENCE DESIGNS

Open hardware, with the files to prove it.

37 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

With a design page

KiCad projects

Categories

All categories Keyboards & input devices 10 Microcontroller boards 8 Computers & FPGA 5 Retro computing 3 Power & batteries 2 RF & wireless 2 Motor control & robotics 2 Audio & music 2 IoT & home automation 2 Interfaces & adapters 1

ToolAll tools KiCad EAGLE Altium EasyEDASortMost starred Recently updated Most forked

2 boards matching “open-source”Page 1 of 1

OpenTendo board, published by Redherring32

KiCad source

Computers & FPGA

OpenTendo

by Redherring32

An Open-Source HardWare (OSHW) recreation of the original 1985 front-loading NES Motherboard

850 81Custom

KiCad source

RF & wireless

OpenRX

by OpenDrone-hw

OpenRX open-source ExpressLRS receiver family hub; board sources live in four dedicated hardware repositories.

411 64Custom

Browse by category

Keyboards & input devices10 Microcontroller boards8 Computers & FPGA5 Retro computing3 Power & batteries2 RF & wireless2 Motor control & robotics2 Audio & music2 IoT & home automation2 Interfaces & adapters1

Browse board families

ESP32ESP32 PCB design ArduinoArduino PCB design Raspberry Pi / RP2040Raspberry Pi PCB Keyboard PCBkeyboard PCB design Battery chargerbattery charger PCB Motor controllermotor controller PCB Audio amplifieraudio amplifier PCB FPGAFPGA board design LoRaLoRa PCB design Dronedrone PCB design

Repository topics

pcb 13 keyboard 10 kicad 8 electronics 6 arduino 6 diy 6 hardware 4 esp32 4

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.

Loading…