Chapter 2. Intro to the Raspberry Pi
Because the robot we’re building is using the Raspberry Pi for its brain, giving you a short introduction to this nifty little computer isn’t a horrible idea. If you’re already familiar with it, feel free to skip this chapter. Otherwise, read on for a quick tour around the board (Figure 2-1). As of this writing, the Raspberry Pi Foundation has released a new version of the board, called the model B+, with extra USB ports and more GPIO pins. If you have one of these newer boards, I’ll go over its features a bit later in the chapter.
Model A and Model B
We can start the tour at the Ethernet ...