[Anglerdk]

Hi

Saw this cool page where a qi charger was carved into the backside a table plate, so it is hidden . I got the charger (Samsung qi charger), but I is wondering.

Since the charger works with induction, what would happen if something of metal is places over the charger - like a metal clip or the power cord to a lamp? Especially when there is a thin plate of wood (could it get warm enough to catch fire?)





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[hprvez]

It doesn't work that way, there need to be a coil in the exact position, and a circuit where the power would flow

[Anglerdk]

But is the coil not a spiral of copper wire and the charging is made by electromagnetic? So if a paper clip is placed directly over the charging coil it will heat up?


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[ipso]

It needs and a NFC trigger to start.