    mfrc522.PCD_WriteRegister(mfrc522.ComIrqReg,0x7F);
 }
 
+

void loop() {
   
   if(bNewInt){  //new read interrupt
      bNewInt = false;
      Serial.print("Interrupt. ");
      mfrc522.PICC_ReadCardSerial(); //read the tag data
      // Show some details of the PICC (that is: the tag/card)

      Serial.println();
     
      clearInt(mfrc522);
      mfrc522.PICC_HaltA();
      bNewInt = false;
   }

// The receiving block needs regular retriggering (tell the tag it should transmit??)
