void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(12, OUTPUT);
}

void loop() {
  for(int i=0;i<15;i++){
    if(i>0 && i<=5){
      tone(12,10000);
      Serial.println(i);
      delay(1000);
    }
    else if(i>5 && i<=10){
      tone(12,5000);
      Serial.println(i);
      delay(1000);
    }
    else if(i>10 && i<=15){
      noTone(12);
      Serial.println(i);
      delay(1000);
    }
  }
  delay(10); // this speeds up the simulation
}