alt Hacker Newshow does "zero-power" work exactly? all power from NFC?
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cactacea • today at 12:50 AM
yes NFC and with an e-ink display no battery needed from there
how does "zero-power" work exactly? all power from NFC?
yes NFC and with an e-ink display no battery needed from there
So the eink holds its state once it’s programmed so you do need an initial program of the badge through USB-C, and then the NFC uses passive RF harvesting.