>interesting to note that the spikes increase faster than they fade away. This observation can be due to resonance or >echo from the sound waves which take some milliseconds to fade away.
>
> ---
>## Exercise 3 - sound controlled car
>## Exercise 3 - Sound Controlled Car
>
>#### Task
>
...
...
@@ -112,7 +113,7 @@
>As every word has its own sound profile It could be interesting to investigate if the robot could interpret and act >differently on various voice commands. For instance it might be possible for the robot to recognize the difference >in length of words. However if different words are of equal length it might be difficult.
>
> ---
>## Exercise 4 - button listener
>## Exercise 4 - ButtonListener
>
>#### Task
>
...
...
@@ -143,10 +144,10 @@
>In order to make the program terminate we use the S