home.markdown

@@ -34,7 +34,15 @@ Note: the light values depend on the light level in the room in general, which m
 |------------|-------|-------|-------|------|
 | Light vale | 39-42 | 29 | 35 | 42(36)   |
 
-### And so on??
+### Exercise 3
+
+The sample interval indicates how often the robot should react to its environment. A large sample interval leads to a slow reaction to color shifts between black and white on the ground. All in all, a small sample interval makes the robot follow the line more precisely, while a large interval makes the movement rough.
+
+### Exercise 4
+
+### Exercise 5
+
+### Exercise 6
 
 ## Conclusion