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@@ -35,6 +35,13 @@ Observation: When the LED is turned Off, the percentage shown changes with the s
 
 Explain - The shadows and light reflected in the surface changes the measurement that is compared to the WhiteAndBlackThreshold, thus a color with shadows will appear darker than it really is.
 
+### Exercise 3
+
+### Exercise 4
+
+### Exercise 5
+
+### Exercise 6
 
 ## Conclusion