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

Project Hydra Meshtastic Pcb

by Hydra-Designs

A minimalist 1W LoRA PCB design for Meshtastic-device firmware

166 22GPL-3.0

KiCad source

Retro computing

sdtv2csi

by rniwase

Board for converting SDTV analog video to MIPI CSI-2 using Analog Devices ADV7280A-M.

53 10CC0-1.0

KiCad source

Power & batteries

PoEPi Hardware

by julien8

The hardware for the Raspberry Pi Zero power over Ethernet devices

45 12No license

EEG BLE board, published by lukaszmargielewski

KiCad source

Audio & music

EEG BLE

by lukaszmargielewski

Minimal EEG device with ADS1299 amplifier and NRF51822 Bluetooth LE chip

39 12No license

Usbflashprog board, published by robsonsmartins

KiCad source

Test & measurement

Usbflashprog

by robsonsmartins

A memory device programmer (Flash/EPROM/E2PROM) board and software, connected to PC by USB port.

35 7Custom

Esp Atx Power board, published by valletw

KiCad source

IoT & home automation

Esp Atx Power

by valletw

ESP32 ATX Power Controller

27 2MIT

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

KiCad source

IoT & home automation

BeeLight

by Kampi

Zigbee environment sensor device with Zigbee2MQTT support.

16 4GPL-3.0

KiCad Devices board, published by schilkp

KiCad source

Sensors & data acquisition

KiCad Devices

by schilkp

Various KiCad Footprints and Symbols for various Projects

13 0MIT

KiCad source

Microcontroller boards

Esp Serial Terminal

by dima-ch

ESP8266 based device for remote control PC via the serial port and power button

13 7GPL-2.0

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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

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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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