REFERENCE DESIGNS

Open hardware, with the files to prove it.

612 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

612

With a design page

612

KiCad projects

275

WSPR Beacon

by IgrikXD

A compact hardware device for transmitting WSPR messages based on the SI5351 clock generator, using GPS for transmission timing synchronization and automatic QTH locator calculation.

125 12GPL-3.0

Keyboards & input devices

Cosmos Keyboard PCBs

by rianadon

Open-Source keyboard PCB designs for the Cosmos Keyboard Generator

41 4No license

EAGLE source

Retro computing

MUS 1099

by gemedetpaps

ISA sound card based on the SAA1099 sound generator

40 4GPL-3.0

EAGLE source

Other boards

PICnc V2

by kinsamanka

PICnc V2 is a PIC32 based hardware step generator board that is designed for MachineKit

29 34GPL-2.0

KiCad source

RF & wireless

MWGEN G1

by MR-DOS

12.5 MHz - 6400 MHz (LMX2572) or even up to 20 GHz (LMX2595) generator board with int./ext. reference.

18 4GPL-3.0

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Microcontroller boards118 Keyboards & input devices81 Sensors & data acquisition42 Retro computing42 Audio & music41 Other boards40 Power & batteries39 Displays & LED39 Motor control & robotics38 Computers & FPGA36 Interfaces & adapters31 RF & wireless29 Test & measurement10 IoT & home automation10 Badges & art boards9 Automotive & vehicles4 Cameras & imaging3

Browse board families

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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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