     return 0;
   }
 
-  Serial.println(F("Scanned PICC's UID:"));
-
   for (uint8_t i = 0; i < 4; i++) {
     readCard[i] = mfrc522.uid.uidByte[i];
-    Serial.print(readCard[i], HEX);
-  }
-
-  Serial.println("");
+  }
+
   mfrc522.PICC_HaltA();
 
   return 1;

    }

    EEPROM.write(1, 143);

    Serial.println(F("Succesfully defined the master card."));
    Serial.println("");
  }

  for (uint8_t i = 0; i < 4; i++) {
    masterCard[i] = EEPROM.read(2 + i);
  }

  Serial.println(F("Ready to bounce!"));
  Serial.println("");
}

void loop() {

  for (uint8_t k = 0; k < 4; k++) {
    EEPROM.write(start + j + k, 0);
  }
}

boolean checkTwo(byte a[], byte b[]) {
