Let’s Make Some Noise! Build a Sound Effects Generator
SADLY, YOU HAVE REACHED THE LAST EXPERIMENT of the book. But don’t worry, because it’s a noisy one! You’ve probably played many electronic games that produce sound effects or music to add atmosphere. In this final experiment, you’ll discover how three different circuit modules can be connected together to produce a device that creates some interesting noises. The complete sound effects generator is shown in Figure 20-1.
FIGURE 20-1 The sound effects generator