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Technology sure has come a long way
(lemmy.world)
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this post was submitted on 26 Mar 2025
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Batteries got good enough and electronics efficient enough that for a doorbell it makes more sense to use a battery than to run a dedicated 12v wire.
My dumb doorbell has a little coin battery.
My doorbell generates the necessary electricity when someone pushes the button.
Interesting. What kind is that?
I got this doorbell and it works great
I didn't know they made anything like this! That's ingenious. I might get one.
A big metal bell on a rope