#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
#include "DHT.h"
#define DHTPIN 2 // Defines pin number to which the sensor is connected
#define DHTTYPE DHT22 // DHT 22
DHT dht(DHTPIN, DHTTYPE);

#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4
LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);


void setup() {
Serial.begin(9600);
Serial.println(F("DHT22 test!"));
dht.begin();

// Init
  lcd.init();
  lcd.backlight();
  // Print something
  lcd.setCursor(4, 0);
  lcd.print("DHT22 TEST");
  lcd.setCursor(2, 1);

}

void loop() {

delay(2000);

float t = dht.readTemperature();

float h = dht.readHumidity();

Serial.print(F("Humidity: "));
Serial.print(h);
Serial.print(F("%   Temperature: "));
Serial.print(t);
Serial.println(F("°C "));

lcd.setCursor(0,1); // Sets the location at which subsequent text written to the LCD will be displayed
lcd.print("Temp.: "); // Prints string "Temp." on the LCD
lcd.print(t); // Prints the temperature value from the sensor
lcd.print(" C");
lcd.setCursor(0,2);
lcd.print("Humidity.: ");
lcd.print(h);
lcd.print(" %");
delay(2000);

lcd.clear();

lcd.setCursor(8,2); // Sets the location at which subsequent text written to the LCD will be displayed
lcd.print("BYE");

delay(2000);
lcd.clear();


}