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Partial Port of Adafruit CircuitPython to Micropython of PN532 NFC/RFID control library (SPI)
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Carglglz/NFC_PN532_SPI
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MicroPython SPI driver for thePN532 NFC/RFID Breakout andPN532 NFC/RFID Shield (port fromCircuitPython driver )
import NFC_PN532 as nfcfrom machine import Pin, SPI# SPIspi_dev = SPI(1, baudrate=1000000)cs = Pin(5, Pin.OUT)cs.on()# SENSOR INITpn532 = nfc.PN532(spi_dev,cs)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 cardspn532.SAM_configuration()# FUNCTION TO READ def read_nfc(dev, tmot): """Accepts a device and a timeout in millisecs """ print('Reading...') uid = dev.read_passive_target(timeout=tmot) if uid is None: print('CARD NOT FOUND') else: numbers = [i for i in uid] string_ID = '{}-{}-{}-{}'.format(*numbers) print('Found card with UID:', [hex(i) for i in uid]) print('Number_id: {}'.format(string_ID))read_nfc(pn532, 500)Reading...Found card with UID: ['0x0', '0xa', '0x33', '0xc0']Number_id: 0-10-51-192