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

# Print UID
print "Card read UID: "+str(uid[0])+","+str(uid[1])+","+str(uid[2])+","+str(uid[3])
#a = [str(uid[0]),str(uid[1]),str(uid[2]),str(uid[3])]
a = uid
return a
# This is the default key for authentication
key = [0xFF,0xFF,0xFF,0xFF,0xFF,0xFF]

# Select the scanned tag
MIFAREReader.MFRC522_SelectTag(uid)

# Authenticate
status = MIFAREReader.MFRC522_Auth(MIFAREReader.PICC_AUTHENT1A, 8, key,
uid)

# Check if authenticated
if status == MIFAREReader.MI_OK:
MIFAREReader.MFRC522_Read(8)
MIFAREReader.MFRC522_StopCrypto1()
else:
print "Authentication error"

-------------------------------------------------
A-2. NFC, 송신,TFT-LCD

첫 번째 화면 NFC（ 찍기 전） 두 번째 화면 NFC（ 찍기 후）

Tft-lcd 화면

# -*- coding: utf-8 -*-

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