As mentioned in the previous article, in this one we will learn what is a breadboard and how to use it.
The integrated circuits, such as Arduino UNO itself, have the various components soldered on a board.
For educational purpose we have to often move the components around and most of all we want to be able to easily reuse our components once we have finished with a project and we want to start a new one.
For that reason we will use a breadboard.
A breadboard is nothing more than a plastic box full of holes connected together according to a schema that I’m going to explain, but first let’s see how a breadboard looks like