Add a connected garage door to your smart home without buying a new door opener. Hungary-based Nold Technologies has developed a conversion device that connects to your existing garage door opener.

Add Yahoo as a preferred source to see more of our stories on Google. A modern front door and garage. - Daniel Wischenbarth/Getty Images You'll often see the terms "universal garage door opener" or ...

You'll often see the terms "universal garage door opener" or "universal garage door remote" suggesting that a generic garage door opener will work with any type of garage door. Is that true? Well, the ...