So me and my friend are trying to build a stopwatch with and ultrasonic sensor that starts when you move past it and stops when you come around the circle again. So any help would be helpful i would particularly like someone to make code for me and I don't think it would be very hard at all. So Please Help 
Motivation?
what do u mean
MOmountainbiking:
what do u mean
The help you need it motivation.
Paul
so like a prize
MOmountainbiking:
so like a prize
I think you meant "price". Pronounced the same, spelled almost the same, very different meaning.
We tried to help you here, but all questions and advice were ignored.