REFERENCE DESIGNS

Open hardware, with the files to prove it.

887 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

887

With a design page

887

KiCad projects

405

OpenCardiographySignalMeasuringDevice

by MilosRasic98

Open-source device for measuring cardiograpgy signals with a GUI for easier handling and additional software for analyzing the data.

373 37GPL-3.0

Computers & FPGA

Basic ecp5 Pcb

by mattvenn

Reference design for Lattice ECP5 FPGA. Featuring Raspberry Pi interface and 6 PMODs

142 28CC0-1.0

USB Mouse board, published by RandomDelta6

KiCad source

Sensors & data acquisition

USB Mouse

by RandomDelta6

A basic USB mouse PCB based on the PAW3526D8-FJY2 Sensor.

43 9CC-BY-SA-4.0

Other boards

JLCPCB SMT Assembly Components Orientation Fix

by JLCPCB

This guide has the basic requirments to place a SMT Assembly order with some tips on how to fix the misplacement and orientation of SMD parts

21 0MIT

Displays & LED

tt123 Demo Pcb

by TinyTapeout

Tiny Tapeout Demo board for TT01, 02 & 03

11 4Apache-2.0

KiCad source

Other boards

UCCBPCB

by UsbCANConverter-UCCbasic

Printed circuit board for UCCB

8 8GPL-3.0

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Microcontroller boards179 Keyboards & input devices100 Other boards71 Sensors & data acquisition61 Power & batteries60 Displays & LED60 Audio & music57 Retro computing57 Interfaces & adapters50 Motor control & robotics49 RF & wireless45 Computers & FPGA45 Test & measurement16 IoT & home automation14 Badges & art boards13 Automotive & vehicles5 Cameras & imaging5

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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