I'm working on building something similar, but don't want to have a computer on full time to run it. I'm using an PCEngines Alix board as the main control, and

I'm working on building something similar, but don't want to have a computer on full time to run it. I'm using an PCEngines Alix board as the main control, and a remote relay board to run the garage door. I suppose I should write that up...