51做的密码锁，将密码存在24C256里

1、八位数码管动态显示

2、具有密码设定和修改功能

3、密码输入错误报警功能

4、4*4矩阵键盘输入

5、具有密码3次错误锁死功能

6、具有万能密码解锁功能-51 locks to do, there 24C256 password, 1, eight digital dynamic display 2, with password settings, and modify the function 3, the password input error alarm 4,4* 4 matrix keyboard input 5, with 3 times wrong password lock function 6, with a master password to unlock features