Unlock your computer, trigger tasks on your phone, or make scannable works of art! These teeny-tiny little NFC data stickers add a whole layer of interactivity to your projects.

NFC (Near Field Communication) is a way for two devices very close to each other to communicate.It's like a very short range Bluetooth that doesn't require authentication. NFC is a special subset of RFID.

You can write, rewrite, format, and lock the data on these by using a simple (Android) phone app, or for something more homebrew then try the Adafruit NFC/RFID shield.

Technical specs

• Type: Mifare Ultralight NTAG213
• Technologies available: NfcA, mifareultralight, or Ndef.
• Memory information: 180 bytes - 45 pages (4 bytes each)

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