When button A is pressed: Turn the gear potentiometer to change the number of lights turned on.
When button B is pressed: The volume change of the ambient sound will influence the number of lights turned on.
When button C is pressed: All scripts stop.
If you need the source code, you can click into 'Source Code' to view it.
[ Ссылка ]
![](https://i.ytimg.com/vi/K-wuTbJmNXw/mqdefault.jpg)