5 open source boards using the ATMEGA32U4
Real designs built with the ATMEGA32U4, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
AVR/ArduinoGh80-3003
evyd13
444.1 × 151.2 mm276 parts2LCC-BY-SA-4.069
AVR/ArduinoVitamins included
Duckle29
114.3 × 82 mm150 parts2LBSD-3-Clause49
AVR/ArduinoMM-control-2.0
prusa3d
106 × 45 mm161 parts4LNo license42
AVR/ArduinoGh80-1800
381 × 148.2 mm272 parts2LCC-BY-SA-4.069
AVR/ArduinoGh80-3700
91.9 × 149.1 mm84 parts2LCC-BY-SA-4.069
The ATMEGA32U4 in open source designs
The gallery holds 5 open source boards using the ATMEGA32U4 from 3 GitHub repositories; a typical one measures about 114.3 × 148.2 mm and carries around 161 components.
80% are two-layer designs, the rest use four layers or more, and 80% carry an open source license.
The most starred is Gh80-3003 by evyd13.
Microcontrollers on boards using the ATMEGA32U4
What boards using the ATMEGA32U4 are built for
ATMEGA32U4: common questions
Where can I find a ATMEGA32U4 reference design?
Each of the 5 boards on this page is a real design using the ATMEGA32U4. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
Which microcontrollers do boards using the ATMEGA32U4 use?
Most are built on AVR/Arduino (5).
How big is a typical board using the ATMEGA32U4?
The median is 114.3 × 148.2 mm, and 80% are two-layer designs.
What is the most popular open source board using the ATMEGA32U4?
By GitHub stars, Gh80-3003 by evyd13, with 69 stars.
Can I simulate one of these boards using the ATMEGA32U4 before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.