RFID射频模块识别一卡通，具有其读写功能，读卡、写卡，更改卡内信息,在LCD屏上显示(RFID radio frequency module identification card, with its functional literacy, reader, write cards, change the card information is displayed on the LCD screen)

通过stm32读取M1卡卡号，显示在LCD上(Read M1 card number through STM32 and display it on LCD)