Cover by Kimmo Karvinen, Tero Karvinen

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Chapter 4. Insect Robot

IN THIS CHAPTER

What You’ll Learn

Tools and Parts

Servo Motors

Constructing the Frame

Programming the Walk

Avoiding Obstacles Using Ultrasound

What’s Next?

In this project, you’ll create an Insect Robot (see Figure 4-1) that walks forward on four legs. Using ultrasound, the robot can see in the dark, just like a bat. When it detects an obstacle, it takes a few steps back, turns, and continues forward. The robot can walk over small obstructions, and it looks more human than its wheeled relatives. Once you’ve learned the techniques in this chapter, you can easily extend your Insect Robot with new tentacles and sensors—and new code.

Before starting this project, you should know what ultrasonic sensors are, and make ...

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