电气工程及其自动化专业 基于单片机的电子门锁系统设计VIP免费

题目：基于单片机的电子门锁系统设计摘要从古至今锁就是保护财产的铁将军。机械锁体材料差，抗暴力差，可复制性强，甚至出现一把钥匙开多个门的情况。密码锁由于安全系数高，操作方便、保密性强、渐渐走进了人们的生活。本设计准备以STC89C52为控制器，设计出一种智能电子门锁。这种电子门锁把单片机当作整个测控设备的骨干，并使用两种方法：指纹密码还有矩阵键盘密码。系统使用LCD12864来显示当前更新，并且还具有密码更改功能。如果觉得在打开或更改密码时输入错误，或者发现有人在附近查看时，可以进行退出输入操作，从一定程度上保证安全。大多数指纹密码用于解锁识别每个人的独特生物特征的电子门锁，指纹对于生物人来说是独特而自然的特征。既简单又实用。测试结果表明，该系统各项功能均达到了本设计的所有要求。关键词：指纹密码锁；STC89C52单片机；矩阵键盘AbstractLockfromancienttimesistheprotectionofpropertyoftheirongeneral.Poormechanicallockmaterial,poorviolenceresistance,strongreplicability,andevenakeyopenmultipledoors.Codelockbecauseofhighsafetyfactor,easytooperate,strongconfidentiality,graduallyintopeople'slives.AkindofintelligentelectronicdoorlockisdesignedwithSTC89C52ascontroller.Thiscodelocktakessinglechipmicrocomputerasthecoreofmeasurementandcontrolandmonitoringdevice,andadoptstwokindsofunlockingmethods:matrixkeyboardpasswordandfingerprintpassword.LCD12864systemusesLCDreal-timedisplayupdate,withthefunctionofpasswordmodification.Ifyoufindyourselfinthewrongoperationwhenunlockingorchangingthepassword,orifyoufindsomeonelookingnearby,youcanexittheinputoperationtoensuresecuritytoacertainextent.Thefingerprintcodelockmainlyuseseveryone'suniquebiologicalcharacteristicstounlock,whichhasuniquecharacteristicsandisnaturallycarriedbybiologicalindividuals,whichissimpleandpractical.Thetestresultsshowthatallthefunctionsofthesystemmeetalltherequirementsofthisdesign.Keywords：Fingerprintcodelock;STC89C52microcontroller;matrixkeyboard目录摘要...............................................................I引言...............................................................1第一章研究背景......................................................21.1电子锁的背景...................................................21.2应用场景.......................................................21.3论文研究的主要内容..............................................3第二章系统总体方案..................................................42.1总体设计要求...................................................42.2控制芯片选型...................................................42.3指纹识别模块...................................................52.4数据存储芯片...................................................52.5键盘输入模块...................................................52.6液晶显示模块...................................................6第三章系统硬件电路设计.............................................73.1单片机最小系统.................................................73.2LCD12864液晶显示电路设计......................................93.2.1LCD12864的概述......................................................................................................................93.2.2LCD12864的工作原理..............................................................................................................93.3AS608指纹识别模块设计........................................113.3.1AS608的概述..............................................................................................