Comment by andai
2 years ago
If the cards are always on a table / special playing surface, they could be wirelessly charged during play.
2 years ago
If the cards are always on a table / special playing surface, they could be wirelessly charged during play.
Some variants use NFC power to drive the display update, so no batteries!
I didn't realize NFC could deliver enough power for that. I'll look into it.
The demos I saw of this were slow, on the order of 10 seconds to get enough power through.
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