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1、基于单片机的智能型家居窗帘控制电路的设计摘要本文首先介绍了智能家居的基本知识及其应用前景,接着着重介绍了开发单片机控制的红外线遥控窗帘系统所用到的集成芯片STC89C52、L7805稳压芯片、LCD1602液晶显示屏、DS1302时钟芯片、AT24C02存储芯片、28BYJ_48步进电机、HS0038红外线接收电路等硬件的结构原理。本文采用分块的模式,对整个系统的硬件电路设计进行分析,分别给出了系统方案原理框图、电源电路、显示电路、时钟DS1302电路、外扩存储电路、电机控制电路、红外线接收电路,并对相应电路设
2、计进行了相关的阐述。软件的编写思路也是采用分块的模式,分别写出了LCD1602液晶显示程序、DS1302时钟芯片控制程序、时间调整与定时程序、步进电机控制程序、HS0038红外线解码程序、AT24C02控制程序、光控程序的编写思路,每一模块都画出了其方框图,一目了然。最后通过仿真调试,时钟,手动开关窗帘等控制方面的设计上基本达到了预期目的。当然,该系统在一些细节的设计上还需要不断的完善和改进。关键词:STC89C52RC单片机;DS1302时钟芯片;红外遥控;LCD1602;窗帘IAbstractAtfirst
3、,thispaperintroducesthebasicknowledgeofthesmarthomeanditsapplicationprospect,andthenintroducesthedevelopmentofsingle-chipmicrocomputercontrolofinfraredremotecontrolcurtainsystemusedbytheintegratedchipSTC89C52,L7805voltagechip,LCD1602LCDdisplay,DS1302clockchi
4、p,28byj_48steppermotor,AT24C02storagechip,HS0038infraredreceivingcircuit,etc.hardwarestructureprinciple,basedontheblockmodel,thispapergiveananalysistothehardwarecircuitdesignofthewholesystem.Itrespectivelypresentsthesystemprincipleblockdiagram,powersupplycir
5、cuit,displaycircuit,clockDS1302circuit,outsideenlargestoragecircuit,motorcontrolcircuit,infraredreceivingcircuitandgivesacorrespondingexplanationoftherelatedcircuitdesign.Writingideasofsoftwareadopttheblockpatterntoo.TheywritedownthecompilethoughtsoftheLCD16
6、02LCDdisplayprogram,DS1302clockchipcontrolprocedures,timeadjustmentandtiming,steppermotorcontrolprocedures,HS0038infrareddecodingprocedures,AT24C02controlprocedures.Everymoduledrawstheveryblockdiagram,whichisclearataglance.Finally,viasimulationanddebugging,t
7、hedesignofthecontrolaspectssuchastheclock,themanualswitchcurtainhasbasicallyreachedtheexpectedpurpose.Ofcourse,thesystemrequiresconstantperfectionandimprovementonsomedetaildesigns.Keywords:stc89c52rcsinglechip;ds1302clockchip;infraredremotecontrol;lcd1602;cu
8、rtain目录摘要.......................................................................................................................................IAbstract.........................................