I'm really disappointed by all the comments here. OP showed a clever way he gets his garage door to open when he gets home from a run. It's an interesting look into home automation from scratch and exactly the kind of content I come to HN for.

This isn't posted in NY Times. He's not advocating everyone should go out and do this because of how much better it's made his life. He's not even claiming that it's necessarily better than putting a keypad on his garage. He just hacked together something cool and we should applaud people trying these kinds of things.