基于单片机的北斗定位系统

广东东软学院本科生毕业设计（论文）AbstractThere are more and more empty nesters in modern society.The elderlycan't call for help in time due to accidents,which brings threats to health andeven life safety.Therefore,more and more attention has been paid to thesafety monitoring of the elderly.In order to solve this problem,STC12C5A60S2 single chip microcomputer is used as the main processor,um220 module as the core,LCD12864 display module,buzzer and sim900module are combined to realize the multi-functional alarm system.If theelderly or vulnerable groups have an accident,press the alarm button,thebuzzer will sound,the case,allergy history,drug location,etc.will bedisplayed on the LCD screen,and the location address information can alsobe switched through the button.And through the GSM wirelesscommunication module,the location information is sent to the family cellphone,so that the injured can be rescued in time.The experimental resultsshow that the system can accurately realize the functions of alarm,locationand information display,and provide a solution for safety monitoring.Key words:Beidou positioning system;single chip microcomputer;information collection;GSM communication