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@@ -165,6 +165,7 @@ public class LineFollowerCal {
 ### Exercise 5 - PID Line Follower
 
 *Video 3: Demonstration PIDController.java*
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 [![image alt text](http://img.youtube.com/vi/Qxq-QzVjhmg/0.jpg)](http://www.youtube.com/watch?v=Qxq-QzVjhmg)
 
 ### Exercise 6 - Color Sensor