FeliCa の id 読む

only_type3.py

import time

import nfc


def check(id_):
    print(id_)
    time.sleep(2)


def main():
    rdwr = {
        'targets': ['212F'],
        'on-connect': (lambda _: False),
    }

    with nfc.ContactlessFrontend('usb') as clf:
        while True:
            print('*** waiting ***')
            tag = clf.connect(rdwr=rdwr)
            check(tag.identifier.encode('hex'))


if __name__ == '__main__':
    main()