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Is there anybody who can tell me about smart meters ?
(lemmy.world)
Tech related news and discussion. Link to anything, it doesn't need to be a news article.
Let's keep the politics and business side of things to a minimum.
No memes
How does it differ from a conventional meter ?
Electrical fields cause a torque in a motor that spins the counter wheels.
https://electronics.stackexchange.com/a/169882