>To make the LEGO 9797 car follow a black line and stop at the end of the line. When the car drives into a goal zone - a green rectangular piece of paper at the end of the black line. The idea is that we will try to use the light sensor to detect three different colors.
>
>
>##Task 1: Black White Detection
>
>#### Task
>Mount the sensor on the car and make a program that use and test the class >BlackWhiteSensor.java. After calibration, place the car with the light sensor over different >dark and bright areas and investigate how well the BlackWhiteSensor works.
>
>#### Plan
>We first mounted the sensor on the car as showed on the picture:
