I’m a liking this Arduino board
It’s very cheap, only 30 bucks, and has an IDE for Linux Mac and Windows!
Once they come back in stock, I’m defnitly going to get one. We may also be getting new garage doors, so then if we also replace the garage door openers, I can take the old obstruction sensors, mount them in my room and hook them up to this thing. I could maybe even hack out the radio transmitter. That would be awesome!