One dimensional Pong game using a piece of LED pixel strip. Probably not what you thought when you read the title!
http://hackaday.com/2012/11/18/one-dimensional-pong-take-two/
http://youtu.be/m-vEJi47w0c
http://hackaday.com/2012/11/18/one-dimensional-pong-take-two/
http://youtu.be/m-vEJi47w0c