Based on the previous sections of this chapter, we have got a fairly good idea as to how everything needs to be brought under a single platform. Let's go in to the steps and have a look at how a line follower robot works.
Line follower robot (patching everything together)
Fundamental concepts of a line follower
The following figure shows the concept of a line follower robot:
Line follower concept
In the preceding figure, we have two conditions. The first is when the left sensor is over the line and the second is the same for the right sensor. The black line is the track that the robot should follow. There are sensors represented by blocks. Let's consider the left-hand side of the preceding figure.
Initially, both the sensors are over the white surface...