#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

#define flamePin 10 // Flame Sensor Connected To Arduino
#define buzzerPin 11 //Buzzer Connected To Arduino


void setup() {
  Serial.begin(9600);
  lcd.init();
  lcd.init();
  lcd.backlight();
  pinMode(buzzerPin, OUTPUT);
  pinMode(flamePin, INPUT);

  lcd.setCursor(0, 0);
  lcd.print("Calibrating");
  for (int i = 0; i < 15; i++) {
    if (i == 4)
    {
      lcd.setCursor(0, 1);
      lcd.print(".");
    }
    else  lcd.print(".");
    delay(500);
  }
  lcd.setCursor(11, 1);
  lcd.print("Done");
  delay(1000);
  lcd.clear();
  lcd.setCursor(1, 0);
  lcd.print("Sensor Active");
  delay(1500);
  lcd.clear();

}

void loop() {

  int Flame = digitalRead(flamePin);

  if (Flame == LOW)
  {
    digitalWrite(buzzerPin, HIGH);
    lcd.setCursor(0, 0);
    lcd.print(" Flame : ");
    lcd.print("Flame");
    lcd.setCursor(0, 1);
    lcd.print("  is Detected");
    Serial.print(Flame);
    Serial.print("\t");
    Serial.print("Flame is Detected");
  }
  else if (Flame == HIGH)
  {
    digitalWrite(buzzerPin, LOW);
    lcd.setCursor(0, 0);
    lcd.print("Flame : ");
    lcd.print("No Flame");
    Serial.print(Flame);
    Serial.print("\t");
    Serial.println("No Flame");
  }

  delay(300);
  lcd.clear();
}