此程序为RC522 RFID模块读写mifera卡程序例程，烧写后可直接使用(This program reads and writes the mifera card program routine for the RC522 RFID module. It can be used directly after burning and writing.)

RC522读卡程序，S50，S70等卡片的读取，使用例程(RC522 read card program, S50, S70 and other cards to read, use routines)