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

Mppt 2420 lc

by LibreSolar

Hackable and open source MPPT solar charge controller

232 53CC-BY-SA-4.0

Mppt 2420 hc board, published by LibreSolar

KiCad source

Power & batteries

Mppt 2420 hc

by LibreSolar

MPPT charge controller with HS load switch and CAN bus

133 32Custom

Mppt 1210 Hus board, published by LibreSolar

KiCad source

Power & batteries

Mppt 1210 Hus

by LibreSolar

MPPT solar charge controller with dual USB ports

83 31Custom

Fox 1 MPPT board, published by FaradayRF

KiCad source

Power & batteries

Fox 1 MPPT

by FaradayRF

AMSAT Fox-1 satellite Maximum Power Point Tracker hardware design files

63 14Custom

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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

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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