Intermediate Robot Building offers the kind of real world knowledge that only an experienced robot builder can offer the kind of knowledge beginners usually have to learn through mistakes. In this book, you’ll learn the value of a robot heartbeat and the purpose of the wavy lines in photocells. You’ll find out what electronic part you should sand. You’ll discover how a well placed switch can help a robot avoid obstacles better than a pair of feelers. And you’ll avoid mistakes that can cause a capacitor to explode.