I just de-commissioned a couple of SmartThings presence fobs. A garage door opened after a recent power outage. I think it was because the battery-backed hub lost comms with the presence sensor, through a powered zigbee repeater and thought the car had left. Then, at some point, even during the outage or possibly after, comms were restored and the hub thought the car had returned. Then the garage door was opened when power was restored.
Even though I'm not doing presence at the moment, this thread has inspired me to see how far I can go with my Zooz Zen34, which had been in my box of stuff. Turns out I can just about reach the road. So, I might try this as an alternative to the garage door opener. It could potentially control more than just the one door with multiple presses, hold, toggle, etc. (all you'd have to do is remember, lol). I don't know how great it is on batteries though.
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