Arduino MFRC522 tutorial – Is RFID tag present or removed?

RFID tag present or removed ? Arduino MFRC522 tutorial

In this tutorial, I have explained how you can detect the presence or absence of RFID tags using the MFRC522 RFID card Reading module, Arduino and LEDs. This video also explains the specification of the MFRC522 RFID card reader and a discussion on how to increase the range of the reader.