Chapter 4. Linus the Line-Bot

Let's begin with a small robot for our first project that introduces the basic concepts of automated control. This robot decides where to go based on its surroundings and can change its path if the environment is changed. Linus' purpose is to follow a black line on a white surface (see Figure 4-1). His aspirations are quite low, but he is still fun to experiment with and easy (and cheap) to build.

The mostly finished Linus sitting on his track

Figure 4.1. The mostly finished Linus sitting on his track

The cost of this project as shown is around $80. This includes a commercial motor-driver board, two hobby servo motors, a homemade IR sensor board, and several other ...

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