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include引入串行通讯库定义小车的两个电机constintmotorLeftA9;constintmotorLeftB10;constintmotorRightA5;constintmotorRightB6;SoftwareSerialserial(7,8);创建软件串口，连接到电脑的某个端口voidsetup(){putyoursetupcodehere,torunonce:Serial.begin(9600);初始化串口通信pinMode(motorLeftA,OUTPUT);pinMode(motorLeftB,OUTPUT);pinMode(motorRightA,OUTPUT);pinMode(motorRightB,OUTPUT);serial.begin(9600);开启串口通...