The setup The main controller box is on the ceiling in the middle of the garage space. A flexible bracket and an attachment to the wall above the garage door hold this box in place. This is to provide an outlet for any tension between the main slider track attached on the box and the door. Using a combination of high-tension garage door springs and chains, the track is able to support the weight of the garage door when pulled up. The slider will attach to the door mechanically using two flexible metal arms. The ends of the garage door…