REFERENCE DESIGNS

Open hardware, with the files to prove it.

412 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

412

With a design page

412

KiCad projects

187

ATmega Soldering Station

by wagiminator

T12 Quick Heating Soldering Station

1.1k 323Custom

ESP32 kiCAD Footprints board, published by adamjvr

KiCad source

Microcontroller boards

ESP32 kiCAD Footprints

by adamjvr

Footprints for the Espressif ESP32 WiFi/BLE Chip and ESP3212 module, for KiCAD EDA

198 37No license

Microcontroller boards

ATtiny13 TinySolder

by wagiminator

T12 Quick Heating Soldering Station

95 16Custom

Power & batteries

ATtiny85 TinyCharger

by wagiminator

Single-Cell Li-Ion Battery Charger with Monitoring

69 12Custom

Microcontroller boards

eBoard ATMEGA328

by aKaReZa75

This repository involves an educational header board for the ATMEGA328 AVR microcontroller, compatible with the Arduino UNO.

39 4GPL-3.0

Microcontroller boards

Wand Controller

by HadesVR

HadesVR Wand controllers to go with your HadesVR headset for your HadesVR setup!

33 1MIT

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

STM32 RFM95 PCB board, published by tomtor

KiCad source

Microcontroller boards

STM32 RFM95 PCB

by tomtor

STM32 and AVR128 Printed Circuit Board for creating IOT nodes with the RFM95 LORA chip

20 13GPL-3.0

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Microcontroller boards81 Keyboards & input devices58 Computers & FPGA31 Retro computing30 Power & batteries27 Audio & music26 Displays & LED25 Sensors & data acquisition24 Motor control & robotics24 Other boards24 RF & wireless21 Interfaces & adapters18 IoT & home automation7 Test & measurement6 Badges & art boards6 Automotive & vehicles3 Cameras & imaging1

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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