ThoughtBot did something similar with a Arduino. http://robots.thoughtbot.com/arduino-sensor-network http://robots.thoughtbot.com/arduino-sensor-network They h

ThoughtBot did something similar with a Arduino. http://robots.thoughtbot.com/arduino-sensor-network http://robots.thoughtbot.com/arduino-sensor-network They had done a podcast episode as well on this although I can't remember which episode that was.