I had an old X10 relay module laying around. I just straight wired it in parallel with the wall button. http://www.thex10shop.com/product/x10-pro-home-automati

I had an old X10 relay module laying around. I just straight wired it in parallel with the wall button. http://www.thex10shop.com/product/x10-pro-home-automation-pum01-universal-relay-switch-module-um506 http://www.thex10shop.com/product/x10-pro-home-automation-pu... Looks like its been discontinued but I'm sure something like it still exists. I probably payed the $20 retail for it. Thus my judgement that it cost less than a new clicker from Sears. The garage door has a sensor that's part of the security system, which was replaced by a beaglebone. Between the two systems, I can use the main server to program a small app to GET the state of the door and PUT the door into the open and closed state.