基于单片机基础，通过c++编写程序，实现多功能密码锁，能修改密码，能取消输入，能密码取消输入。-Based on single chip computer basis, through the c++ program, realizing the multifunction trick lock, can change the password, can cancel input, can cancel the input password.

通过STC89C51主芯片，做的一个电磁密码锁。具有液晶显示，测温等多项功能-Through the STC89C51 main chip, do an electromagnetic lock. With LCD display, temperature measurement and other functions

STC89C51单片机通过矩阵按键可实现密码锁控制，可设置更改密码，正确输入密码后才能进入系统。(51 MCU can control the lock by the matrix key)