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Comes with one of each of the Mifare Classic 1K tags - 5 in total! Credit card size1" diameter 'laundry' clear tag, 1" diameter 'laundry' white tag, Key fob, Sticker. These can be read by almost any 13.56MHz RFID/NFC reader but make sure it can handle MiFare cards as there are a few other encoding standards like FeLica. They are tested and work great with both our PN532 NFC/RFID breakout board and Adafruit NFC/RFID Shield for Arduino! These chips can be written to & store up to 1 KB of data in writable EEPROM divided into banks, and can handle over 100,000 re-writes. You can use our PN532 NFC/RFID breakout board or Adafruit NFC/RFID Shield for Arduino to read and write data to the EEPROM inside the tag. There is also a permanent 4-byte ID burned into the chip that you can use to identify one tag from another - the ID number cannot be changed.

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Adafruit Industries MiFare Classic 13.56MHz 1kb Tag assortment

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