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Tag: pn532

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Sonicare Toothbrush NFC Chip Hacked With an ESP32-S3 and PN532
diy projects

Sonicare Toothbrush NFC Chip Hacked With an ESP32-S3 and PN532

A Sonicare brush head hides a battery-free NFC chip. See how an ESP32-S3 and PN532 read its wear data and turn it into a…

Ann Arandia Nov 3, 2026

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