2 open source boards using the ATMEGA32U4-M
Real designs built with the ATMEGA32U4-M, 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/Arduino
OpenTKL
ojthetiny
344 × 124 mm175 parts2LGPL-3.0102AVR/Arduino
USB C PD PSU
niektb
24 × 100 mm65 parts2LCC-BY-SA-4.034
The ATMEGA32U4-M in open source designs
The gallery holds 2 open source boards using the ATMEGA32U4-M from 2 GitHub repositories; a typical one measures about 184 × 112 mm and carries around 120 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is OpenTKL by ojthetiny.
Microcontrollers on boards using the ATMEGA32U4-M
What boards using the ATMEGA32U4-M are built for
ATMEGA32U4-M: common questions
Where can I find a ATMEGA32U4-M reference design?
Each of the 2 boards on this page is a real design using the ATMEGA32U4-M. 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-M use?
Most are built on AVR/Arduino (2).
How big is a typical board using the ATMEGA32U4-M?
The median is 184 × 112 mm, and 100% are two-layer designs.
What is the most popular open source board using the ATMEGA32U4-M?
By GitHub stars, OpenTKL by ojthetiny, with 102 stars.
Can I simulate one of these boards using the ATMEGA32U4-M 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.