REFERENCE DESIGNS

Open hardware, with the files to prove it.

362 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

362

With a design page

362

KiCad projects

163

Sensorboard

by z2amiller

Sensor board using ESP8266

200 10MIT

Sensors & data acquisition

AIOsense

by Schluggi

ESPHome based all-in-one sensor

162 30MIT

EAGLE source

Sensors & data acquisition

ESP8266 LUA

by ok1cdj

LUA scripts for ESP8266 with NodeMCU firmware

105 62No license

ULP Weather Logger board, published by hamityanik

KiCad source

Sensors & data acquisition

ULP Weather Logger

by hamityanik

Yet another ESP8266 (ESP-03) based ultra low power weather logger with 4 sensors

92 14MIT

KiCad source

Sensors & data acquisition

Wiflier

by cnlohr

ESP8266-based Quadcopter Brain

92 15Custom

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Microcontroller boards73 Keyboards & input devices54 Computers & FPGA30 Retro computing30 Displays & LED23 Audio & music22 Sensors & data acquisition21 Motor control & robotics21 Power & batteries20 RF & wireless20 Interfaces & adapters16 Other boards14 IoT & home automation6 Test & measurement5 Badges & art boards5 Automotive & vehicles1 Cameras & imaging1

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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