Need to add video of last lab and add more notes
For each character that becomes ascii code , it then becomes binary code(0-255( and then it can be sent digitally through a wire where the binary 1 is is high/on and 0 is low/off. 9600 has to be the same input/output
baud rate needs to match
From arduino to p5js
microcontroller or web serial
From p5js to arduino
