#include <LiquidCrystal_I2C.h>
#include "DHT.h"

LiquidCrystal_I2C lcd(0x27, 16, 2);
DHT dht(2, DHT22);

int temp = 0;
int hum = 0;

void setup() {
  // Init
  //Serial.begin(115200);
  dht.begin();
  lcd.init();
  lcd.backlight();
}

void loop() {
  
  tempHum();
  delay(2000);

}

void tempHum(){
 
  temp = dht.readTemperature();
  hum = dht.readHumidity();
  if (isnan(temp) || isnan(hum)) {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("DHT22 : Error");
    return;
  }
  lcd.setCursor(0, 0);
  lcd.print("Temp. : ");
  lcd.print("     ");
  lcd.setCursor(8, 0);
  lcd.print(temp);
  lcd.print(" C");

  lcd.setCursor(0, 1);
  lcd.print(" Hum. : ");
  lcd.print("     ");
  lcd.setCursor(8, 1);
  lcd.print(hum);
  lcd.print(" %");
 
}