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1、苏州大学本科生毕业设计（论文）附件：外文文献资料与中文翻译稿外文文献资料收集：苏州大学应用技术学院10电子（学号1016405041）［林俊涵］TheSystemDesignofWirelessBasketballTimerBasedonMCUandNRF24L01Abstract:Currently,Basketballplayersmustknowtheprogresswellintimeinthegame,thepresenceofelectronictimerwithLEDdisplayinfluencesthebasketballga
2、mes.Thewiredoperationinfluencesthecontroldistance,controlreliability,controlefficiencyandsoon.Sohowtomakeitlonger,anti-interference,easyoperationandhighefficiencyisadifficultproblem.Akindofwirelessbasketballtimerisdesignedbasedonmicro-computerunit(MCU)andwirelessnRF24L01modu
3、letocompensatefortheexistingdisadvantages,whichhasLEDdigitaltubeoflargesizeforthesectionnumberdisplayandmiddlesizeforgamedisplayand24sdisplay.Theuseriseasytocarryandcontrolthetimerwirelesslyatanyplaceinthebasketballcourtusingthesendingcontroldevice.Thetestresultsshowthatthes
4、ystem,easytocontrolandstabletooperate,isreliabletotransmitthewirelessdata.Keywords:Basketballtimer,MCU,nRF24L01,systemdesign,wirelesscommunication1.INTRODUCTIONInthecurrentbasketballgames,playersneedtoknow24secandtheremaining第16页苏州大学本科生毕业设计（论文）附件：外文文献资料与中文翻译稿timeofeachperiod
5、matchintime;electronictimerwiththeadvantagesofitsconvenientoperation,compactsizeandvisualizationhasbeenwidelyusedinbasketballgames.NBAtimingandscoresystemwasdesignedbyachipcalled8031ofMCS-51.Thesystemconsistsoftimecounting,scorecounting,keyboardsanddisplaysub-systems(Luo-She
6、ng,2004).AnewtimingandscoringequipmentforbasketballmatchwasdesignedandmadebyChineseBasketballAssociation,usedin2004CBAleaguematchandNBAinBeijing,whichwashelpfulforthepresenttimingandscoringequipmentspecializedinsportvenuesandhasgreatroomfordevelopmentandapplication(Zhangetal
7、.,2006).Thecontrolsystemofbasketballscoreboardwith16*16matrixLEDwasdesignedbasedonsingle-chipmicrocomputer,whichcouldbeoff-lineandcontinuouslong-termoperationandsoon(Wei-Yuetal.,2008).Thedesignofhardwareandsoftwareoftiming-scoresystemwasachievedusing89C51,whichhadthefunction
8、softhetotaltimeandthetotalcountdown,withitsfeaturesofmodulardesign,simplepr
