#include <Servo.h>
Servo myservo;

int ledPin = 13;                // LED 
int pirPin = 2;                 // PIR Out pin 
int pirStat = 0;                // PIR status
int pos = 0;
int gassensor=A0;
int buzzer=12;
float flamelevel = 0; 

void setup() {
 pinMode(ledPin, OUTPUT);     
 pinMode(pirPin, INPUT);
 pinMode(gassensor, INPUT);
 pinMode(buzzer, OUTPUT);
 myservo.attach(9);  // attaches the servo on pin 9 to the servo object
 Serial.begin(9600);
}
void loop(){
 //PIR and SERVO MOTOR Code
 pirStat = digitalRead(pirPin); 
 if (pirStat == HIGH) {            // if motion detected
   digitalWrite(ledPin, HIGH);  // turn LED ON
   
   Serial.println("Hey I got you!!!,Door opening");

   for (pos = 0; pos <= 180; pos += 1) { // goes from 0 degrees to 180 degrees
    // in steps of 1 degree
    myservo.write(pos);              
    delay(15);                       
   } 
   digitalWrite(ledPin, LOW); // turn LED OFF if we have no motion
    for (pos = 180; pos >= 0; pos -= 1) { 
    myservo.write(pos);              
    delay(15);                       
   }
 } 
 else {
 }
 //GAS SENSOR Code
 int sensorvalue=analogRead(gassensor);
 flamelevel = map(sensorvalue, 0, 1024, 100, 0);
 if (sensorvalue>90)
  {
    digitalWrite(buzzer,HIGH);
    Serial.println("Leakage Detected");
  }
  else
  {
    digitalWrite(buzzer,LOW);
    Serial.println("Safe");
   }
}