Introduction: How to Use RFID RC522 With Arduino Nano.

How to use Arduino and RFID.

RFID Card Reading using Arduino and RC522 Module. every Card Contains a Chip that emits Radio frequency and Receiver receives the bytes and after verification triggers the unlocking mechanism.

Step 1: Watch Video

Step 2: Parts Required

Parts Required:

  • MRF RC522.
  • Passive Cards.
  • Arduino Microcontroller. (mega, UNO, nano)
  • RGBA LED.
  • Current Limiting Resistance.

Step 3: Code & Schematic

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