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RFID / NFC Smart Rings - Multiple Sizes - NTAG213 Guides

RFID / NFC Smart Rings - Multiple Sizes - NTAG213

A wooden chess board in brown and white on the left and a small dresser on the right holding books, bookends and a lamp. The top right drawer is open.

Mystery Box: Remote Chess Board Puzzle Lock

By John Park

intermediate

56

A smartphone displays a webpage with a QR code. Nearby are Near Field (NFC) components: a card, key fob, ring, sticker, and a small breakout board.

Using Web NFC

beginner

18

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