this post was submitted on 26 Mar 2025
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[–] deegeese@sopuli.xyz 2 points 5 months ago (7 children)

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.

[–] CosmicTurtle0@lemmy.dbzer0.com 3 points 5 months ago (4 children)

My doorbell generates the necessary electricity when someone pushes the button.

[–] swelter_spark@reddthat.com 1 points 5 months ago (3 children)

Interesting. What kind is that?

[–] CosmicTurtle0@lemmy.dbzer0.com 2 points 5 months ago (1 children)
[–] swelter_spark@reddthat.com 1 points 5 months ago

I didn't know they made anything like this! That's ingenious. I might get one.

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