Build Instructions

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  Run a Program

  int buzzer = 8;
  int LED = 7;
  int flame_sensor = 4;
  int flame_detected;
  
  void setup()
  { 
   Serial.begin(9600); 
   pinMode(buzzer, OUTPUT);
   pinMode(LED, OUTPUT); 
   pinMode(flame_sensor, INPUT);
  }
  
  void loop()
  { 
   flame_detected = digitalRead(flame_sensor); 
   if (flame_detected == 1) 
   {    
    Serial.println("Flame detected...! take action immediately."); 
    digitalWrite(buzzer, HIGH);  
    digitalWrite(LED, HIGH);    
    delay(200);    
    digitalWrite(LED, LOW);    
     delay(200);  
   }  
  else 
  {    
    Serial.println("No flame detected. stay cool");       
  
    digitalWrite(buzzer, LOW); 
    digitalWrite(LED, LOW);  
    }  
    delay(1000);
  }

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