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

CH330 Hardware

by Jana-Marie

CH330 breakout board

26 8GPL-3.0

KiCad source

Interfaces & adapters

Psdaptwor

by Swyter

An experimental PC adapter for EPCOT —the PlayStation®VR2 headset— that splits USB Type-C® into DisplayPort video, USB 3 data and power. Intercepting its DP-AUX/SBU and CC side channels.

22 1CERN-OHL-S-2.0

EAGLE source

Interfaces & adapters

sf Oshw

by jrowberg

Open-source hardware design files for SectorFej products and projects

20 32No license

Interfaces & adapters

RPSX

by mcer12

CM4 based replacement motherboard for PSX (PS1 Slim), featuring USB-C, HDMI, wifi, working front panel dualshock ports and even working DVD drive.

18 1GPL-3.0

Interfaces & adapters

ISA QuadUART2

by hkzlab

This 8-bit ISA board will provide 4 serial RS232 ports using a single 16C554 controller. 2 ports are exposed on an external bracket and 2 are on internal headers.

9 2CC-BY-SA-4.0

Browse by category

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

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.

Loading…