import time
import RPi.GPIO as GPIO
import MFRC522

# Create an object of the class MFRC522
MIFAREReader = MFRC522.MFRC522()

# Welcome message
print("Looking for cards")
print("Press Ctrl-C to stop.")

# This loop checks for chips. If one is near it will get the UID
try:

  while True:

    # Scan for cards
    (status,TagType) = MIFAREReader.MFRC522_Request(MIFAREReader.PICC_REQIDL)

    # Get the UID of the card
    (status,uid) = MIFAREReader.MFRC522_Anticoll()

    # If we have the UID, continue
    if status == MIFAREReader.MI_OK:

      # Print UID
      print("UID: "+str(uid[0])+","+str(uid[1])+","+str(uid[2])+","+str(uid[3]))

      time.sleep(2)

except KeyboardInterrupt:
  GPIO.cleanup()