Comments in a computer program are for humans – the program and computer will TOTALLY ignore a properly configured comment.
Comments are used for:
1. leaving notes to yourself so you understand what that part of the program is designed to do.
2. leaving notes to someone else who will work on your program after you.
3. leaving funny messages for yourself or someone else in the program.
You will use comments in Arduino to demonstrate your understanding of the program that you have written.
Here’s how to setup Arduino comments -single line comments start with //
Multiple line comments start with a /* and end with a */
