Section 12.2 Extra Help
There are two great youtube videos on this topic. The first video discusses how to use the "screen" program on Ubuntu (Linux) to read serial data from a microcontroller without the use of Mu. This is a great starting point to see how serial communication is sent to a laptop via USB. The second video is a bit more advanced and shows how to use the serial library in Python to read serial data from a microcontroller. The video walks through the code explained in the previous sections and is a great starting point if video lectures are preferred to text
