4 open source boards using the ATMEGA32U2-A

Real designs built with the ATMEGA32U2-A, 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-A in open source designs

The gallery holds 4 open source boards using the ATMEGA32U2-A from 4 GitHub repositories; a typical one measures about 228.5 × 79 mm and carries around 86 components.

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

The most starred is Dizzy40 by str-dst.

Parts used alongside the ATMEGA32U2-A

Microcontrollers on boards using the ATMEGA32U2-A

What boards using the ATMEGA32U2-A are built for

ATMEGA32U2-A: common questions

Where can I find a ATMEGA32U2-A reference design?

Each of the 4 boards on this page is a real design using the ATMEGA32U2-A. 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-A use?

Most are built on AVR/Arduino (4).

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

The median is 228.5 × 79 mm, and 100% are two-layer designs.

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

By GitHub stars, Dizzy40 by str-dst, with 11 stars.

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

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