Automating my hard-to-automate garage doors

This is how I automated my garage doors without using a BTN interface. Arriving home is always a pain, I have to open two garages, and disarm the alarm system. I wanted to make that experience better. Once I figured out the alarm part, I started looking into the garages. Usually, garage motors have a BTN input or similar, in which you can plug a smart relay and move on with life....

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