#include <dht.h>    // DHT library works for both DHT11 and DHT22
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

dht DHT;   // Declaring the DHT
#define DHT22_PIN 7  // DHT data pin, change it as per your connection

#define I2C_ADDR 0x27 // I2C address of your LCD
#define LCD_COLS 16   // Number of columns in the LCD
#define LCD_ROWS 2    // Number of rows in the LCD

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLS, LCD_ROWS); // Initialize the LCD

void setup() {
  Serial.begin(9600); // Serial baud rate
  lcd.init();         // Initialize the LCD
  lcd.backlight();    // Turn on the backlight
}

void loop() {
  int chk = DHT.read22(DHT22_PIN); // Reading data from the sensor
  float t = DHT.temperature * (9.0 / 5.0) + 32; // Converting Celsius to Fahrenheit

  // Display temperature and humidity on the LCD
  lcd.clear(); // Clear the LCD
  lcd.setCursor(0, 0); // Set cursor to the first column of the first row
  lcd.print("Temp: ");
  lcd.print(DHT.temperature);
  lcd.print(" C");

  lcd.setCursor(0, 1); // Set cursor to the first column of the second row
  lcd.print("Humidity: ");
  lcd.print(DHT.humidity);
  lcd.print("%");

  // Output temperature and humidity to serial monitor
  Serial.print("Temperature = ");
  Serial.print(DHT.temperature); // Showing the temperature in Celsius
  Serial.print("°C ");
  Serial.print("Humidity = ");
  Serial.println(DHT.humidity); // Showing the humidity

  delay(2000); // Repeat every 2 seconds (make sure the reading is done every 2 seconds or more)
}