Hi,
I have spent many houres trying to get some hints around handling this MFRC522. I found out, that this chip is most common for all Mifare readers/writers that you can buy world wide.
But, to get working code is almost impossible.
Therefore I choose this product and it works fine:
http://www.stronglink-rfid.com/en/rfid-modules/sl031.html
Best regards/ Lep pozdrav!
Andrej
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