REFERENCE DESIGNS

Open hardware, with the files to prove it.

387 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

387

With a design page

387

KiCad projects

175

Easyduino

by Hanqaqa

Easily dive into different PCB KiCad designs of the most popular microcontroller devboards

745 36CERN-OHL-P-2.0

Flipper Zero Backpacks board, published by Chrismettal

KiCad source

Microcontroller boards

Flipper Zero Backpacks

by Chrismettal

Backpack-style addon boards for the Flipper Zero!

446 25Custom

KiCad source

Microcontroller boards

Fmcw

by Ttl

FMCW radar design files

164 47No license

KiCad source

Microcontroller boards

EnvOpenPico

by Envious-Data

An open source RP2040 MCU Board Family

151 16GPL-3.0

Tokay Lite Pcb board, published by maxlab-io

KiCad source

Microcontroller boards

Tokay Lite Pcb

by maxlab-io

Tokay AI Camera - ESP32 camera development board

126 27CERN-OHL-P-2.0

KiCad source

Microcontroller boards

Logicbone

by oskirby

Logicbone ECP5 Development Board

123 12Custom

Franzininho Diy Board board, published by Franzininho

KiCad source

Microcontroller boards

Franzininho Diy Board

by Franzininho

Placa Franzininho DIY - Placa compatível com Arduino no formato DIY para oficinas de soldagem

114 32CC-BY-SA-4.0

ESC Development Board board, published by 10x-Aero

KiCad source

Microcontroller boards

ESC Development Board

by 10x-Aero

A 6S AM32-compatible ESC built as a proof of concept for learning how to design an ESC from scratch

74 12No license

KiCad source

Microcontroller boards

ProtoConn

by Pakequis

A prototype board with connectors for electronic testing and development.

70 2CC-BY-SA-4.0

KiCad source

Microcontroller boards

rp Micro

by siderakb

Pro Micro/Elite-Pi compatible RP2040 board with USB-C, 8MB flash and up to 25 GPIOs

65 15CERN-OHL-P-2.0

DonCon2040 board, published by ravinrabbid

KiCad source

Microcontroller boards

DonCon2040

by ravinrabbid

RP2040 based firmware and hardware for DIY Taiko no Tatsujin Drum Controllers

64 9MIT

KiCad source

Microcontroller boards

Sirboard

by vul-os

Open hardware: 107 KiCad PCB designs — SMD-to-THT breakout adapters, ATTiny/ATMega/ESP development boards, and a 39-part sensor line on a common JST-SH connector.

55 17Apache-2.0

GPS Tracker board, published by mohamedboubaker

KiCad source

Microcontroller boards

GPS Tracker

by mohamedboubaker

STM32 and SIM808 GPS tracker with a custom PCB design and support for MQTT and AES-128 encryption.

40 10No license

KiCad source

Microcontroller boards

Mitayi Pico D1

by CIRCUITSTATE

Open-Source RP2040 Microcontroller Development Board

36 10MIT

Reverse Engineering ndp2016 Wristband board, published by yeokm1

KiCad source

Microcontroller boards

Reverse Engineering ndp2016 Wristband

by yeokm1

Schematics of the reverse engineered Pixmob wristband used in NDP2016. Sample IR brute-force code is available but has not been fully tested in practice.

28 5MIT

cloudSmoker board, published by cwgstreet

KiCad source

Microcontroller boards

cloudSmoker

by cwgstreet

ESP32 wifi enabled quad temperature probe device to monitor bbq meat / pit temperatures with wireless cloud data logging for remote monitoring and push alert notifications

24 1Custom

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

JAMMA 2player xbox360 board, published by KabukiFlux

KiCad source

Microcontroller boards

JAMMA 2player xbox360

by KabukiFlux

JAMMA Xbox360 wired controller for RGBUNTU/PI cheap

16 3MIT

KiCad source

Microcontroller boards

IoT12

by atoomnetmarc

Schematic, PCB files, firmware and 3d models for creating the IoT12 solder iron temperature controller for T12 compatible tips.

14 5Apache-2.0

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Microcontroller boards77 Keyboards & input devices55 Computers & FPGA31 Retro computing30 Audio & music26 Power & batteries24 Displays & LED24 Motor control & robotics23 Sensors & data acquisition21 RF & wireless21 Interfaces & adapters17 Other boards17 IoT & home automation7 Badges & art boards6 Test & measurement5 Automotive & vehicles2 Cameras & imaging1

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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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