Chapter 46Making and Listening to Sound

The robots of science fiction are seldom mute or deaf. They may utter pithy sayings—“Don’t you call me a mindless philosopher, you overweight glob of grease!” Or squeak out blips and beeps in some “advanced” language only other robots can understand.

Voice and sound input and output make a robot more “human-like,” or at least more entertaining. What is a personal robot if not to entertain?

What’s good for robots in novels and in the movies is good enough for us, so this chapter presents a number of useful projects for giving your mechanical creations the ability to make and hear noise. The projects include using recorded sound, generating warning sirens, recognizing and responding to your voice commands, ...

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