该汉字密码锁，具有日历，星期，时间，温度显示功能，掉电记忆。



密码锁的功能具备，6位数字密码输入正确开锁，修改密码，后门查看当前密码，三次输入错误报警，密码保存。



主要元件52，2402存储密码，时钟芯片1302，温度传感器18b20，矩阵键盘4*4，程序主要有，2402读写程序，键盘扫描，密码判断，时间，温度程序，这些就不说了，程序有注释的，大家可以看看，都不难，仔细看看就明白了。

-Locks the characters, with calendar, week, time and temperature display, power-down memory. Have the function of locks, 6-digit password to enter the correct lock, modify passwords, backdoor view the current password, enter the error report to the police three times, the password saved. The main components stored password 52,2402, 1302 clock chip, temperature sensor 18b20, keyboard matrix 4* 4, the main program, 2402 to read and write process, the keyboard scan code to determine the time and temperature process, which is not said, the process annotated, we will look at, they should not be difficult, a closer look at will understand.