Get on information of fire danger and gas in your home

//Blynk Fire Alarm Notification
#define BLYNK_PRINT Serial
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
BlynkTimer timer;
char auth[] = "......"; //Auth code sent of blynk via Email
char ssid[] = "samnul"; //Wifi name
char pass[] = "samnul";  //Wifi Password
int flag=0;
int flag1=0;
int redled = D6;
int greenled = D7;
int Flame = HIGH;
int whiteled = D5;


void notifyOnFire()
{
  int isButtonPressed = digitalRead(D1);
  if (isButtonPressed==1 && flag==0) {
    Serial.println("Fire in the House");
    Blynk.notify("Fire in the house. Pls come on samnul");
    flag=1;
  }
  else if (isButtonPressed==0)
  {
    flag=0;
  }
  
/// MQ_2 GAS

 int isButtonPressed1 = digitalRead(D2);
  if (isButtonPressed1==1 && flag1==0) {
    Serial.println("Alter: MQ_2 Gas ");
    Blynk.notify("Gas detect PLC or Smoke in the house. Pls come on samnul");
    flag1=1;
  }
  else if (isButtonPressed1==0)
  {
    flag1=0;
  }

  
}
void setup()
{
Serial.begin(9600);
Blynk.begin(auth, ssid, pass);
pinMode(D1,INPUT_PULLUP);
pinMode(D2,INPUT_PULLUP);
timer.setInterval(1500L,notifyOnFire);
pinMode(redled, OUTPUT);
pinMode(greenled, OUTPUT);
pinMode(whiteled, OUTPUT);


 
}
void loop()
{
  Blynk.run();
  timer.run();

  Flame = digitalRead(D1);
  if (Flame== LOW)
  {
//    digitalWrite(buzzerPin, HIGH);
    digitalWrite(redled, HIGH);
    digitalWrite(greenled, LOW);
    digitalWrite(whiteled, LOW);
  }
  else
  {
//    digitalWrite(buzzerPin, LOW);
    digitalWrite(greenled, HIGH);
    digitalWrite(whiteled, HIGH);
    digitalWrite(redled, LOW);
  }
}