基于51的12864密码锁，可以实现密码的修改，退格，防爆力破锁等功能，用户可以在此基础上开发rfid门禁系统-Based on 51 12864 combination lock, can modify the password, backspace, explosion-proof force to break the lock, and other functions, the user can on the basis of the development of rfid access

破解ic卡，暴力破解以猜密码的方式破解...........(Break the IC card, to guess the password brute force way to break...........)