You’ve probably seen those Craftsman commercials advertising their “remote garage door monitoring system” which comes with a monthly fee. Instead of paying them an absurd amount of money to accomplish a simple task, learn how to build your own instead! Using two Android phones, one communicates with the garage door opener and the other connects to any available Internet hot spot. Since the Android phone has a camera, it’s used to allow the user to see into the garage to make sure everything goes smoothly. Check out all of our home automation projects and view the full project instructions.