i was making my project and got stuck here where i have to enter mfrc522.uid.uidByte(0) and upto mfrc522.uid.uidByte(3) on rfid tag cdoing in arduino so can anyone tell me how to get it
i was making my project and got stuck here where i have to enter mfrc522.uid.uidByte(0) and upto mfrc522.uid.uidByte(3) on rfid tag cdoing in arduino so can anyone tell me how to get it