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1、电子密码锁朱雷，电子信息系摘要：在日常的生活和工作中,住宅与部门的安全防范、单位的文件档案、财务报表以及一些个人资料的保存多以加锁的办法来解决。若使用传统的机械式钥匙开锁，人们常需携带多把钥匙,使用极不方便,且钥匙丢失后安全性即大打折扣。随着科学技术的不断发展，人们对日常生活中的安全保险器件的要求越来越高。为满足人们对锁的使用要求，增加其安全性，用密码代替钥匙的密码锁应运而生。密码锁具有安全性高、成本低、功耗低、易操作等优点。25ElectroniccipherlockZhulei,DepartmentofElectronicIn
2、formationAbstract:Inourdailylife,thesecurityofhouse,companydepartment,documentsandfinanceforms,alsosomepersonalinformationalwaysusedthelocktoprotectthem.Ifusethenormalkeystolockoutthedoor,weshouldtakenmanykeyswithourself.Thatissodifficulttouse.Andifwelostthekeyswithca
3、reless,thesecuritylooksveryeasytobreakout.Asthedevelopingofthetechnology,peopleaskforhighsecurtymachines.Forsatisfythisrequest,thecipherlockisappeared.Thecipherhashighersecurity,lowercost,lowerpowerandeasytouse.Baseonthethinkingofthecipherlock,thisdesignusesAT89C51ofA
4、TMELCOMPANYtocarryouttheSCMdigitalcipherlock,itsmainfunctionasfollow:1.setpasswordwith6words,enterthewordsviakeybord,ifentertherightnumber,thelockwillunlock.2.passwordcansetandfixbyyourself,youcanjustfixthepasswordwhenthelockiskeepingunlock.Itneedtoenterthenewpassword
5、twicetoavoidthewrongactivity.3.alarmfunction.Ifenterthewrongpassword,themonwillshowtheerrormessage,whenenterthewrongpasswordover3times,thebuzzerwillalarmandlockthekeybordatthesametime.Thislockismadeby3parts:gobcircuitof4x4matrixkeybord,gobcircuitofcipherlock,gobcircui
6、tof8waydisplayoutput.otherwise,thesystemhasLEDlight,andwarningbuzzer.themainfunctionofthiscipherlockiscarriedoutenter,clear,andchangethepassword,andunlockthedoor.1.enterthepassword:pressonenumberbutton,onesignal"-"willshowonthedigitaltubeontherightside,plsputthe"-"tol
7、eftsideatthesametime.2.clearthepassword:presstheclearbuttontoclearallcodesyouhaveenterbefore.3.changethepassword:usethenewenternumberasthenewpassword.password,ifyesthelockwillopen,ifnotitkeeplock.themainprocess:first,useSCMAT89C51ofATMELcompany.second,designthetheoryc
8、hartwithDXP2004,anddesignthePCBboard.third,compiletheClang.program,resemble,andtestwithsoftwarekeiluVision3.fourth,simulatet
