When it runs off the example code, it only ever clicks for about 5 seconds at the beginning. I've tried playing with the delay times in the code and by increasing it from 15 milliseconds to 50, I can get it to rotate in each direction for a longer amount of time. I'm not sure why this is or how the delay affects this. If I try to change the delay to anything more than 100, it doesn't rotate at all, it just makes clicking sounds.