基于信息技术的电子密码锁的系统电路设计  

The System Circuit Design of Electronic Cipher Lock Based on Information Technology

作　　者：张鹏骞 ZHANG Pengqian(Children's Hospital of Hebei Province,Shijiazhuang 050031,China)

机构地区：[1]河北省儿童医院,河北石家庄050031

出　　处：《通信电源技术》2022年第21期38-40,共3页Telecom Power Technology

摘　　要：利用微处理器AT89C51作为控制元件设计了一种电子密码锁,介绍了矩阵键盘、发光二极管(Light Emitting Diode,LED)显示、串行存储、电动机驱动和报警等设计电路。系统能实现电子密码识别、开锁、延时报警以及修改用户密码等功能,加强了密码锁的安全性和保密性,摆脱了日常携带物理钥匙的困扰,在宾馆、办公大楼、仓库、保险柜以及家庭普遍适用。Using microcontroller AT89C51 control component designed as an electronic cipher lock.Introduce the keyboard matrix,Light Emitting Diode(LED)display,serial storage,motor driver and alarm system.Enable to implement electronic password identification,unlock,delay warning,modify user passwords,and other functions.Strengthen the security and confidentiality of the password lock,get rid of the daily carrying the physical key trouble,in hotels,office buildings,warehouses,safes and families are generally applicable.

关 键 词：AT89C51 电子密码锁 串行存储 

分 类 号：TP309.7[自动化与计算机技术—计算机系统结构]