This tutorial will help you set up your development environment and build your first bare metal project. This tutorial assumes you are running Linux. If you are on Windows, run all the commands in WSL ...

You have to select the correct microcontroller and USB port before you are able to program. Click on tools / board / Arduino AVR Boards / Arduino Leonardo. That sets the board to Leonardo (Atmega32-U4 ...

The small IMUduino Arduino Leonardo powered board is currently the world’s smallest Arduino Leonardo compatible board that includes integrated wireless motion and orientation sensing technology.