Here’s a rather interesting hack that involves an RS232 relay couple with a linux server that allows this HTC Evo 4G user to remotely open/close his garage door.
When his Evo 4G is within a block of his home, he can remotely open/close his garage door. It sure sounds like a lot of work but for those of you who are already familiar with relays, RS232 programming, and linux, mig
