[Roy] had an extra garage door opener on hand and decided to put it to use as a remote control closing mechanism for his bedroom door. We gather he has some noisy housemates as the inspiration for the project came from not wanting to get out of bed to close the door when the ruckus interrupts his TV watching.
The image above shows the hinged system which translates the linear motion from the garage opener track to the rotational force necessary to swing the door closed. We’d say he really nailed it because the system matches the angle of the door jamb perfectly, and when the door is fully open the angle bracket is almost flat against the wall. We certainly don’t have the same need for closing doors, but the mechanism is something to keep in mind.
The motor for the opener is hidden beneath his desk. You won’t be able to see it in the video after the break because he built a matching enclosure around it. Now he just needs to add some WiFi connectivity and he can ditch the uni-tasking RF remote for a smart phone app.
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