Adafruit PN532 NFC/RFID Controller Shield for Arduino + Extras
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13.56MHz RFID and NFC applications need tools right? You’ve probably used some but you might’ve noticed that there’s still something missed, perhaps you need a better tool? Well, we have taken that consideration in order to provide you with the perfect tool out there. The difference we’ve changed was turning the Adafruit PN532 breakout boar into a shield; also, this shield uses the MOST popular chip-set (PN532).
Note that any device that does NFC definitely has this tool embedded inside of it and that’s the main reason it’s considered powerful in a way that can even write and read cards, as well as tags. (Used for RFID-tag projects, NFC/RFID Type 1 thru 4 tag, and NXP MiFare type tags)
What is an NFC? This is an abbreviation for “near field communications”, the idea of it is very similar to a Bluetooth, since it allows 2 devices to communicate when they’re near each other, but the difference is that NO authentication is required. Also, since it’s an extension of RFID, this means that is contains all its features which is very interesting!
Check out Adafruit's RFID/NFC project page for documentation, libraries, and other support
For more details about NFC/RFID and this chip we suggest the following fantastic resources: