7. An Arduino board such as the Uno, Duemilanove, or Diecimila
8. A USB cable to connect the Arduino to your computer
9. A tilt sensor (optional)
Figure 3.1 shows the parts needed to build the projects in this chapter.
You’ll find such photos in most of the following chapters. The numbers
in the photo correspond to the numbers in the parts list. The photos do
not show standard parts such as the Arduino board or an USB cable.