• Mex@feddit.uk
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    1 year ago

    wouldn’t mid external power as long as it could ring the house bell, I would even be happy with a double throw button so that part was mechanical. I like graceful fallback for when I break my HA install (again).

    • ᴇᴍᴘᴇʀᴏʀ 帝@feddit.ukOPM
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      1 year ago

      That and external power are key - a good percentage of battery powered smart doorbells don’t work at all. Having something running off the mains that triggers another mains powered bell means you have a working doorbell at all times.