REFERENCE DESIGNS

Open hardware, with the files to prove it.

712 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

712

With a design page

712

KiCad projects

324

RadioShield

by jgromes

Universal wireless communication shield for Arduino

68 10Custom

RPI Lora Gateway board, published by hallard

EAGLE source

RF & wireless

RPI Lora Gateway

by hallard

Raspberry PI Lora Gateway/Node for RFM92/95/96/98/69HCW Modules

62 26No license

EAGLE source

Audio & music

Dabpi Ctl

by elmo2k3

dabpi_ctl - RPi fm/fmhd/dab receiver control interface

52 23GPL-3.0

EAGLE source

Microcontroller boards

Esr Meter

by fmeschia

Arduino-based battery internal resistance meter

48 21Apache-2.0

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Microcontroller boards139 Keyboards & input devices89 Retro computing51 Power & batteries50 Sensors & data acquisition48 Displays & LED48 Audio & music47 Other boards46 Motor control & robotics42 Computers & FPGA41 Interfaces & adapters37 RF & wireless33 Test & measurement12 IoT & home automation12 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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