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

// Define I2C LCD address and dimensions
LiquidCrystal_I2C lcd(0x27, 16, 2); // Adjust address if needed

// Define the analog pin for the temperature sensor
const int tempSensorPin = 34; // ESP32 analog pin
const int PIR = 25;

void setup() {
  // Initialize LCD
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("Temp & Humid");
  
  // Set the analog pin
  pinMode(tempSensorPin, INPUT);
  pinMode(PIR, INPUT);
  delay(2000); // Display the welcome message
  lcd.clear();
}

void loop() {
  // Read the analog value from the sensor
  int analogValue = analogRead(tempSensorPin);

  // Convert the analog value to voltage
  float voltage = analogValue * 3.3 / 4095.0;

  // Convert voltage to temperature (LM35: 10mV per degree Celsius)
  float temperatureC = voltage * 100.0;

  // Clear and update the LCD display
  lcd.setCursor(0, 1);
  lcd.print("Temp: ");
  lcd.print(temperatureC);
  lcd.print(" C");
  

  // Add a delay for readability
  delay(1000);

  int Motion=digitalRead(PIR);

  if (PIR == HIGH) {
  lcd.setCursor(0, 0);
  lcd.print("Motion: Detected");
}
  else {
  lcd.setCursor(0, 0);
  lcd.print("NO MOTION"); 
}
  
}