Thanks but all down to Mr Hunts setup.

This was what I used.

http://raspi.tv/how-to-install-wiringpi ... spberry-pi

One of my results

Water Dtrop by jonny.andrews65, on Flickr

I'm also completely new to this and I used dave's water drop setup as my first project. I have it working ok but struggling to get collisions so still work in progress. As for the problems you are having did you install wiringpi or wiringpi2 ? I only ask as I am using wiringpi2 so all I have been do...