Chapter 3: Moving Forward/Backward Without Wheels

I am sure that building and coding the table-top fan in the previous chapter was fun for you.In this chapter, we will be building a robot that can move without wheels both forward and backward. Have you ever thought about how to make things move from one place to another without wheels? Hint – it is there in your surroundings itself. Try to answer these questions:

1. How do we, human beings, move? __________________________________
2. How does a snake move? __________________________________
3. How does a frog move? __________________________________

There are other forms of movement as well, such as wiggling, jiggling, creep, leap, and bouncing, which we will explore later. Walking, hopping, slithering, and rolling are some of the most common locomotion techniques used by robots today, and we shall learn about these forms of movement in detail in this chapter.

In this chapter, we shall focus on the core robotics...