#include <LiquidCrystal_I2C.h>

// Pin configuration
const int flameSensorPin = 2; // Connect the flame sensor to digital pin 2
const int ledPin = 13;        // Connect the LED to digital pin 13
const int analogPin = A0;     // Connect the flame sensor analog output to analog pin A0

// LCD configuration
LiquidCrystal_I2C lcd(0x27, 16, 2); // Address 0x27, 16 columns, 2 rows

void setup() {
  pinMode(flameSensorPin, INPUT);
  pinMode(ledPin, OUTPUT);
  
  lcd.begin(16, 2);
  lcd.print("Flame Detector");
  delay(2000);
  lcd.clear();
}

void loop() {
  // Read the flame sensor value
  int flameSensorValue = digitalRead(flameSensorPin);
  int analogValue = analogRead(analogPin);

  // Display flame status on LCD
  lcd.setCursor(0, 0);
  lcd.print("Flame: ");
  lcd.print(flameSensorValue == LOW ? "Detected" : "Not Detected");

  // Display analog value on LCD
  lcd.setCursor(0, 1);
  lcd.print("Voltage: ");
  lcd.print(analogValue);

  // Check if fire is detected (flame sensor value is LOW when fire is detected)
  if (flameSensorValue == LOW) {
    Serial.println("Fire detected! Turning on the LED.");
    digitalWrite(ledPin, HIGH); // Turn on the LED
  } else {
    Serial.println("No fire detected. Turning off the LED.");
    digitalWrite(ledPin, LOW); // Turn off the LED
  }

  delay(1000); // Add a small delay to avoid rapid LCD updates
  lcd.clear(); // Clear the LCD for the next iteration
}