#include <Servo.h>

Servo myservo;

#define Servo_pin     2
#define Flame_pin     3
#define buzzer_pin    4
#define Gas_A_pin     A6



int Gas_State;
int Flame_State;



void setup() {
  Serial.begin(9600);
  pinMode(Gas_A_pin, INPUT);
  pinMode(Flame_pin, INPUT);
  pinMode(buzzer_pin, OUTPUT);
  myservo.attach(Servo_pin);
  myservo.write(0);
  digitalWrite(buzzer_pin, 0);
}

void loop() {
  Gas_State   = analogRead(Gas_A_pin);
  Flame_State = digitalRead(Flame_pin);
 Serial.println(Gas_State);
 Serial.println(Flame_State);
  if (Gas_State > 500 || Flame_State == 0) {
    myservo.write(90);
    digitalWrite(buzzer_pin, 1);
    delay(5000);
  }
  else {
    myservo.write(0);
    digitalWrite(buzzer_pin, 0);
    delay(2000);
  }
  delay(50);
}