#include <LiquidCrystal_I2C.h>
#include <dht.h>

#define DHT22_PIN 5

#define I2C_ADDR    0x27
#define LCD_COLUMNS 16
#define LCD_LINES   2

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

dht DHT;

int pinLED = 2;

void setup() {
  // put your setup code here, to run once:
  pinMode(pinLED,OUTPUT);
  digitalWrite(pinLED,LOW);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("temp : ");
  lcd.setCursor(0, 1);
  lcd.print("humd : ");
  
}

void loop() {
  DHT.read22(DHT22_PIN);
  lcd.setCursor(6, 0);
  lcd.print(DHT.temperature);
  lcd.setCursor(6, 1);
  lcd.print(DHT.humidity);
  if(DHT.temperature > 28)
  {
    digitalWrite(pinLED,HIGH);
  }
  else
  {
    digitalWrite(pinLED,LOW);
  }
  delay(500);

}