Help RFID-RC522

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hi guys ,
i'm trying change default key rfid-522 device, entontrado within libs example (attached).
with example managed change password, not understand program code, simplify program alone can change password.
steps:
a key 1.mostrar used.
a key 2.autentificar
3.mostrar key b used.
4.autentificar key b.

or if there way change default password of these cards in order provide them more security.




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Arduino Forum > Using Arduino > Project Guidance > Help RFID-RC522


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