摘要
电子密码锁是现今社会人们保护个人生命财产的有效手段。要实现密码锁的保护功能，就必须通过有效的程序对其进行控制。本文在对密码锁控制进行深入分析的基础上，并且基于AT89C52单片机芯片的电子密码锁控制系统，确定了电子密码锁的总体设计，进行电路设计、逻辑分析、程序编写从而实现电子密码锁的基本判断密码正确性的功能。除此之外，为了更加贴近用户的正常需求，添加了修改密码功能和自动报警锁死功能。使用Proteus画出模拟电路，使用Keil编写C程序，使用编译功能验证程序的语法正确性，将编译后的文件导入Proteus中，用模拟使用的方法验证程序的实用性和逻辑判断的正确性。利用Keil和Proteus对电子密码锁系统进行模拟仿真的方法，可实现上述功能，理论证明该系统能够简单、有效的对密码进行识别，从而起到保护的作用。
关键词：密码锁 单片机 Proteus Keil
Abstract
The electronic combination lock is a effective means to protect the lives and property of personal information. To achieve the password lock function, it must be through effective procedures to control it. In this paper , based on the analysis of combination lock control , and electronic combination lock control system based on single-chip microcomputer AT89C52, determine the overall design of the electronic combination lock circuit design , logic analysis, program writing so as to realize the basic judgment of electronic combination lock the function of the password is correct. In addition, in order to more close to the user’s normal needs, added to modify the password function and automatic alarm lock function. Draw the analog circuits using Proteus , use the Keil C program ,using the compilation function verification the grammar of the program is correct , will be compiled file imports Proteus, by simulation using the method to prove the validity of the program is practical and logical judgment. Electronic combination lock system to make use of Keil and Proteus simulation method , which can realize the function ,theory to prove the system is simple and effective for password identification ,which have the effect of protection.
Keywords: combination lock single-chip microcomputer Proteus Keil
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