Before going on to the next chapter where we begin to deal with all the features present in the Arduino board, let's take a little tour of the Arduino development environment menus and commands.

It has only five menus, and some of them are very similar to those present on any other application in your computer, such as File, Edit, or Help.

In the File menu, you will find commands to open a new sketch, load it from the disk, save it, or print it. Just as an addition, you can see two commands: Sketchbook and Examples.

The Sketchbook submenu will unfold another submenu listing all sketches available in the folder you can designate in the Arduino development environment preferences as your sketchbook folder. This makes it very easy to load your own sketches without the hassle of having to navigate through your entire filesystem folder structure to find the particular sketch you are looking for. The only drawback of this is that you have to store your sketches in the specified...