this post was submitted on 05 Mar 2026
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NFC Tags and Wireless Charging (lemmy.world)
submitted 6 days ago by batmaniam@lemmy.world to c/homeassistant@lemmy.world
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Maybe not the correct place but I know a lot of folks use NFC tags to trigger automation.

Does anyone have experience with a tag in-between their phone and the wireless charger? I have a few wireless charging stands I'd like to set automations to (ie: "I've set my phone on the nightstand charger, X,Y,Z lights should be set to red if they're turned on now"). I'm just not sure how close the freqs both use are (and even less sure of how much interference causes issues).

So yeah, has anyone used an NFC tag in-between their phone and wireless charger without melting either?

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[–] asbestos@lemmy.world 1 points 6 days ago

It wouldn’t melt, but it would probably die if it’s between the charger and the phone. However, in the first few seconds, the changer and the phone communicate to figure out if they’re compatible, so maybe this process might prevent it from frying, but it’ll also prevent you from charging, most likely.