本地刷卡,可以识别权限后,打开中控.　　　　权限识别方法:在EEPROM中存入100组 卡号, 依次比较与读到的卡进行比较,相同,即可打开中控.-The local credit card, you can identify the permissions, open the central control. Permissions identification method: In the EEPROM in the card number into 100 groups, followed by comparison and read the card to compare, the same, you can open the central control.