Now that your platform can move around, you'd want to add some sensors to avoid or track barriers or other objects. Sensors can also tell you the direction in which you are going. Adding sensors will give a sense of direction and intelligence to your robot.
In this chapter, you will learn the following:
Using sonar sensors to find the distance to an object
Using Infrared (IR) sensors to find distance to an object
Some basic path planning techniques for your robot