Abstract: This invention relates generally to a garage door control system. A system includes, but is not limited to: sensor devices that detect a position of a garage door from a floor using a distance from the devices and the door, the devices being mounted at a far end of a horizontal guidance track; a control unit coupled to the sensor devices, the control unit including at least a computer processor; a power distribution and control relay unit; a wireless communication interface operable to communicate wirelessly; and a link connected to the garage door motor; and a user interface unit in place of the existing garage door button, wherein the user interface receives power from the power distribution and control relay unit via wires repurposed from control signal wires of the existing garage door button, the user interface including: a wireless communication interface to communicate wirelessly; and a display screen.