int sensorValue;
void setup() {
  pinMode(13, INPUT);
  pinMode(7, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(11, OUTPUT);
  Serial.begin(115200);
}

void loop() {
  sensorValue=digitalRead(13);
  Serial.println(sensorValue);
  if(sensorValue==0){
    digitalWrite(8, HIGH);
    digitalWrite(7, LOW);
    noTone(11);

  }else{
    digitalWrite(8, LOW);
    digitalWrite(7, HIGH);
   tone(11,1000);  
  }
}