基于STC89C52单片机的电子密码锁设计

电子密码锁具有安全性高、保密性好等优点。本文基于单片机STC89C52设计了一种电子密码锁系统,由单片机控制矩阵键盘模块实现输入密码功能,LCD1602液晶模块显示密码锁相关信息,继电器模块控制开锁。具有开锁成功提示、密码错误报警、修改密码等功能,在防盗场合有着极为广泛的用途。

Electronic password lock has the advantages of high security and good confidentiality.This paper designs an electronic password lock system based on STC89C52 single chip computer.The input password function is realized by matrix keyboard module controlled by single chip computer.LCD1602 LCD module displays the information related to password lock.The relay module controls the unlocking.It has the functions of successful prompt for unlocking,password error alarm,password modification,etc.and has a very wide range of applications in anti-theft occasions.

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