         // Card found! (Known card OR found free spot for new card)
         // Attempt to add credits to card
         if(updateAndVerify(addr,card)){
-          Serial.print("C");
+          //Serial.print("C");
           // OK Beep
         } else{
           // Reset credits on vending machine

  }
  return 65535; // Error value
}

#define SS_PIN 10
#define RST_PIN A0

#define transmission_attempts 10

#include <SPI.h>
#include <MFRC522.h> // MFRC522 library by Miguel Balboa (circuitito.com, Jan, 2012) & Søren Thing Andersen (access.thing.dk, fall of 2013)
#include "EEPROMAnything.h"
#include "VendingMachineRFID.h"

MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance.
uint32_t lastCardScan; // Debounce RFID reads
