7 open source boards using the ATMEGA32U2-AU

Real designs built with the ATMEGA32U2-AU, 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.

The ATMEGA32U2-AU in open source designs

The gallery holds 7 open source boards using the ATMEGA32U2-AU from 5 GitHub repositories; a typical one measures about 59.3 × 78.9 mm and carries around 32 components.

100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.

The most starred is QEZ by str-dst.

Parts used alongside the ATMEGA32U2-AU

Microcontrollers on boards using the ATMEGA32U2-AU

What boards using the ATMEGA32U2-AU are built for

ATMEGA32U2-AU: common questions

Where can I find a ATMEGA32U2-AU reference design?

Each of the 7 boards on this page is a real design using the ATMEGA32U2-AU. 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 ATMEGA32U2-AU use?

Most are built on AVR/Arduino (7).

How big is a typical board using the ATMEGA32U2-AU?

The median is 59.3 × 78.9 mm, and 100% are two-layer designs.

What is the most popular open source board using the ATMEGA32U2-AU?

By GitHub stars, QEZ by str-dst, with 110 stars.

Can I simulate one of these boards using the ATMEGA32U2-AU 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.

Browse boards by part