로보

#define SOUT   12

#define REC    8

#define PLAYE  9

#define PLAYL  10

void setup(){

  pinMode(SOUT, INPUT);

  Serial.begin(9600);

}

void loop(){

  if (Serial.available()) {

    char cmd = Serial.read();

    digitalWrite(PLAYE, 1);

    delay(5000);

    digitalWrite(PLAYE, 0);

  }

}