乒乓球比赛模拟机的设计

北京理工大学珠海学院2020届本科生毕业设计Design of table tennis simulatorAbstractTable tennis is a traditional sport in China,which is loved by manypeople.Nowadays,the pace of people's life is speeding up.The most timeof people are fragmented in daily life.At the same time,traditional tabletennis is also limited by the venue and environment.Therefore,this designcombines table tennis with electronic technology.In order to simulate themovement track of table tennis,it mainly uses 741s194 bidirectional shiftregister and LED.And it uses 741s74d trigger and key control switch tocontrol and drive the whole circuit,which is the core part of thisdesign.It is used to simulate the receiving and serving of racket.Whenthe ball reaches the designated position,pressing the key in timerepresents a successful stroke.Otherwise,the opponent will score.Finally,the score of both sides is displayed by the combination of 741s160 decimalcounter and nixie tube.Keywords:Table tennis game simulator;741s194 bidirectional shiftregister;741s74 data flip-flop;741s160 decimal counter;