import?RPi.GPIO?as?GPIO

import?pn532.pn532?as?nfc
from?pn532?import?*



pn532?=?PN532_UART（debug=False?reset=20）

ic?ver?rev?support?=?pn532.get_firmware_version（）
print（‘Found?PN532?with?firmware?version:?{0}.{1}‘.format（ver?rev））

#?Configure?PN532?to?communicate?with?MiFare?cards
pn532.SAM_configuration（）

print（‘Waiting?for?RFID/NFC?card?to?write?to!‘）
while?True:
????#?Check?if?a?card?is?available?to?read
????uid?=?pn532.read_passive_target（timeout=0.5）
????print（‘.‘?end=““）
????#?Try?again?if?no?card?is?available.
????if?uid?