#include "DHT.h"

#define DHTTYPE DHT11   // DHT 11
//#define DHTTYPE DHT22   // DHT 22  (AM2302)
//#define DHTTYPE DHT21   // DHT 21 (AM2301)
#include <LiquidCrystal_I2C.h>
#include <Wire.h>
#define DHTPIN 2 
LiquidCrystal_I2C lcd(0x27, 16, 2);
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(9600);
  dht.begin();
   lcd.init();                     
  lcd.backlight();

}

void loop() {

  delay(2000);

  float h = dht.readHumidity();
  float t = dht.readTemperature();


  if (isnan(h) || isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Sensor error");
    return;
  }

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Humid: ");
  lcd.print(h);
  lcd.print("%");

  lcd.setCursor(0, 1);
  lcd.print("Temp: ");
  lcd.print(t);
  lcd.print((char)223); // Degree symbol
  lcd.print("C");


}