项目编号:mcuclub-jj-005
仿真连接:点击跳转
51实物链接:点击跳转
32实物链接:点击跳转
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总字数:18000+
电子密码锁
摘 要
随着当前人们经济的发展,人们生活水平的提高,当前人们对财产安全和人身安全的重视程度越来越高,此次设计一款电子密码锁,主要是为了解决当前大部分用户使用的密码锁在输入密码锁被旁人盗取,或者存在有人多次输入密码从而盗取用户密码,给用户造成财产损失。
随着电子产品智能化和小型化的不断发展,电子密码锁已在生活中得到广泛应用,单片机已成为电子产品研发中的首选控制器。由于单片机具有体积小,功耗低,控制精度高,运行可靠的特点,因此在实际生产中得到了广泛的应用。为了更好地促进电子锁在各个领域的应用,此次设计的基于STC89C52单片机控制的电子密码锁。该机器通过使用单片机STC89C52进行编写程序,并使用LCD1602显示密码。当前输入的六个数字使用“*”显示在屏幕上。正确输入密码后,密码相应的指示灯会亮起,并且显示屏会显示门已打开;当输入密码错误时,显示密码错误,返回到初始界面,当错误的密码输入次数超过三次时,蜂鸣器会发出警报信号,自动锁定键盘三分钟。用户可以根据需求重新设置电子锁密码,且可以实现掉电保存密码的功能,修改密码断电后,会记录当前的密码,此外此次设计还增加蓝牙远程控制功能,用户可以使用手机连接蓝牙,在手机端输入密码控制门锁的打开,也可以通过手机修改密码等操作。此次设计可以解决当前,电子密码的输入密码过程中密码被盗窃,或者被不法分子对当前密码锁的试错从而打开用户家中进行盗窃。此次设计的电子密码锁具有操作监简单、保密性强、防偷窥的优势。
关键字:密码锁;防偷窥;STC89C52单片机;LCD1602显示屏;远程控制
Abstract
Along with the development of the current economic people, people living standard rise, present the importance of property security and personal security is higher and higher, the design of an electronic combination lock, mainly to solve the current combination of the majority of users in the input combination lock by others to steal, or there is some input password to steal the user password for many times, Property damage is caused to users.
With the continuous development of electronic products intelligent and miniaturization, electronic password lock has been widely used in life, SCM has become the preferred controller in the development of electronic products. Because the single-chip microcomputer has the characteristics of small size, low power consumption, high control precision and reliable operation, it has been widely used in practical production. In order to better promote the application of electronic lock in various fields, the design of electronic password lock based on STC89C52 MCU control. The machine through the use of MCU STC89C52 programming, and the use of LCD1602 display password. The six numbers currently entered are displayed on the screen using “*”. After correctly entering the password, the corresponding indicator light will light up, and the screen will show that the door has been opened; If you enter a wrong password, it will display the wrong password and return to the initial interface. If you enter a wrong password for more than three times, the buzzer will send out an alarm signal and automatically lock the keyboard for three minutes. User can reset the electronic password lock based on the requirements, and can realize the function of power lost save password, change the password after power, will record the current password, this design also add bluetooth remote control functions, users can use bluetooth phone connections, enter the password on the mobile end control the door open, also can be operated by mobile phone change passwords, etc. The design can solve the current, electronic password input password process is stolen, or criminals on the current password lock trial and error to open the user home for theft. The electronic password lock design has the advantages of simple operation, strong confidentiality and anti-peeping.
Key words: password lock; Peeping prevention; STC89C52 single chip microcomputer; LCD1602 display screen; The remote control
目 录
摘 要
Abstract
第一章 绪论
第二章 系统总体设计方案
第三章 硬件系统设计
第四章 系统程序设计
第五章 仿真调试
第6章 实物调试
结 论
参 考 文 献
致 谢
附录
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