A slightly more expensive (~$50) version I made that can also open and close the door: http://rcoh.svbtle.com/how-i-automated-my-garage-door http://rcoh.svbtle

A slightly more expensive (~$50) version I made that can also open and close the door: http://rcoh.svbtle.com/how-i-automated-my-garage-door http://rcoh.svbtle.com/how-i-automated-my-garage-door Since it uses an electric imp, the electronics are significantly simpler (just a transistor / resistor to trigger the switch), since the imp has integrated wifi, GPIO, power.