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

#define DHTPIN 2
#define DHTTYPE DHT22

LiquidCrystal_I2C lcd (0x27, 16, 2); // I2C address 0x3F, 16 column and 2 rows
DHT dht (DHTPIN, DHTTYPE);

void setup() {
  dht.begin(); // initialize the sensor
  lcd.init(); // initialize the lcd
  lcd.backlight(); // open the backlight
}

void loop() {
  delay(2000); // wait for 2 seconds between measurements
  float humi = dht.readHumidity(); // read humidity
  float tempC = dht.readTemperature(); // read temperature
  lcd.clear(); // clear the screen
  lcd.setCursor(0, 0);
  lcd.print("Temp: ");
  lcd.print(tempC);
  lcd.print((char)223); // print degree symbol
  lcd.print("C");
  lcd.setCursor(0, 1);
  lcd.print("Humi: ");
  lcd.print(humi);
  lcd.print("%");
}