It's never been so easy to make a line following robot. With using the line follower, you can make the first line following robot. This module has one input and two outputs. You can adjust how fast robot goes according to the power of the incoming signal. If there are sharp bends on the road, you may need to reduce the speed of robot. Also, there is eye which come together with the sensor. This eye notices the lines. You need to connect the sensor and the eye with cables. The eye must be placed in way to see the line (floor).
With adjust dimmer on the sensor, you can change
the sensitivity of noticing the line.