Controlling a Sprinkler System with an iPhone, Arduino, and Sinatra

I've added a video demonstration if anyone is interested:<p><a href="http://kevin.colyar.net/2011/07/controlling-a-sprinkler-system-with-an-iphone-arduino-sinatra/" rel="nofollow">http://kevin.colyar.net/2011/07/controlling-a-sprinkler-syst...</a>