REFERENCE DESIGNS

Open hardware, with the files to prove it.

587 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

587

With a design page

587

KiCad projects

264

ESP32 kiCAD Footprints

by adamjvr

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

198 37No license

KiCad source

Keyboards & input devices

KBIC65

by b-karl

65% keyboard PCB with ProMicro footprint. Through-hole kit design with focus on wireless.

65 7MIT

Sweep Squared Rot board, published by ezxzeng

KiCad source

Keyboards & input devices

Sweep Squared Rot

by ezxzeng

Generated keyboard

16 1MIT

KiCad source

Displays & LED

Power Supply 12v DC

by ExTc-aShiSh

PCB designed in KiCad — a 230V AC to 12V DC rectifier with filtering and LED indicator. Includes schematic and PCB layout files.

9 2MIT

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Microcontroller boards113 Keyboards & input devices77 Audio & music41 Sensors & data acquisition39 Power & batteries39 Other boards39 Displays & LED38 Retro computing38 Motor control & robotics36 Computers & FPGA35 RF & wireless28 Interfaces & adapters28 Test & measurement10 IoT & home automation10 Badges & art boards9 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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