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

LiquidCrystal_I2C lcd(0x27, 16, 2); // Set the LCD address to 0x27 for a 16 chars and 2 line display

const int pirPin = 2;
const int lm35Pin = A0;

void setup() {
   pinMode(pirPin, INPUT);
  
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("Security System");
  delay(2000);

lcd.clear();
}


void loop() {
  int pirState = digitalRead(pirPin);
  int tempValue = analogRead(lm35Pin);
  float temperature = (tempValue * 5.0 * 100.0) / 1024.0;

  lcd.setCursor(0, 0);
  if (pirState == HIGH) {
    lcd.print("Motion Detected!");
  } else {
    lcd.print("No Motion       ");
  }

  lcd.setCursor(0, 1);
  lcd.print("Temp: ");
  lcd.print(temperature);
  lcd.print(" C");

  delay(1000);
}