2 open source boards using the ATMEGA32U4-AU
Real designs built with the ATMEGA32U4-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.
AVR/ArduinoUsb joystick
rjwalters
80 × 60 mm38 parts4LMIT63
AVR/ArduinoUsb joystick routed
80 × 60 mm38 parts4LMIT63
The ATMEGA32U4-AU in open source designs
The gallery holds 2 open source boards using the ATMEGA32U4-AU from 1 GitHub repository; a typical one measures about 80 × 60 mm and carries around 38 components.
100% use four copper layers or more, and 100% carry an open source license.
The most starred is Usb joystick routed by rjwalters.
Microcontrollers on boards using the ATMEGA32U4-AU
ATMEGA32U4-AU: common questions
Where can I find a ATMEGA32U4-AU reference design?
Each of the 2 boards on this page is a real design using the ATMEGA32U4-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 ATMEGA32U4-AU use?
Most are built on AVR/Arduino (2).
How big is a typical board using the ATMEGA32U4-AU?
The median is 80 × 60 mm, and 0% are two-layer designs.
What is the most popular open source board using the ATMEGA32U4-AU?
By GitHub stars, Usb joystick routed by rjwalters, with 63 stars.
Can I simulate one of these boards using the ATMEGA32U4-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.