arduino 智能小車(蔽障、蜂鳴提醒、警示led燈，帶串口輸出)

#define Buzzer 2 #define InfraredSensorPin 4 #define LedDisp 13 void setup() { pinMode(Buzzer,OUTPUT); //設置輸出引腳 Serial.begin(9600); Serial.println("Start!"); pinMode(InfraredSensorPin,IN

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