home.markdown

@@ -164,6 +164,9 @@ public class LineFollowerCal {
 
 ### Exercise 5 - PID Line Follower
 
+*Video 3: Demonstration PIDController.java*
+[![image alt text](http://img.youtube.com/vi/Qxq-QzVjhmg/0.jpg)](http://www.youtube.com/watch?v=Qxq-QzVjhmg)
+
 ### Exercise 6 - Color Sensor