const int buzzerPin = 7;
const int flamePin = 10;
int Flame = HIGH;
int redled = 13;
void setup() 
{
  pinMode(buzzerPin, OUTPUT);
  pinMode(redled, OUTPUT);

  pinMode(flamePin, INPUT);
  Serial.begin(12000);
}

void loop() 
{
  Flame = digitalRead(flamePin);
  if (Flame== HIGH)
  {
    digitalWrite(redled, HIGH);
  int i=0;
  do {
    digitalWrite(buzzerPin, HIGH);
    tone(buzzerPin,3000);
    delay(200);
    noTone(buzzerPin);
    delay(200);
    
  }while (i<2);
  } 
  else
  {
    digitalWrite(buzzerPin, LOW);
    digitalWrite(redled, LOW);
  }
}