RC522

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RC522 Datasheet

Arduino Demo

Pin connection

Pin layout should be as follows (on Arduino Uno):

  • MOSI: Pin 11 / ICSP-4
  • MISO: Pin 12 / ICSP-1
  • SCK: Pin 13 / ISCP-3
  • SS: Pin 10 (Configurable)
  • RST: Pin 9 (Configurable)

Use

Demo Code