lesson-4.md

@@ -17,5 +17,20 @@ Follow the instructions given in the lesson plan \[1\].
 
 ## Results ##
 
+### Black White Detection ###
+
+### Line Follower with Calibration ###
+
+### ThreeColorSensor with Calibration ###
+
+### Line Follower that stops in a Goal Zone ###
+
+### PID Line Follower ###
+
+### Color Sensor ###
+
+## Conclusion ##
+This is not the conclusion your looking for!!!!
+
 ## References ##
 \[1\] : [Lesson Plan](http://legolab.cs.au.dk/DigitalControl.dir/NXT/Lesson4.dir/Lesson.html)