import nfc
import time

def connected(tag):
    print("Tag detected:", tag)
    return True

def read_nfc():
    try:
        clf = nfc.ContactlessFrontend('usb')  # Ensure this matches your connection
        print("NFC reader initialized.")
    except Exception as e:
        print("Failed to initialize NFC reader:", e)
        return

    try:
        while True:
            print("Waiting for NFC tag...")
            clf.connect(rdwr={'on-connect': connected})
            time.sleep(1)
    except Exception as e:
        print("Error reading NFC tag:", e)
    finally:
        clf.close()

read_nfc()