#include "DHT.h"

#define DHTPIN 2
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321

DHT dht(DHTPIN, DHTTYPE);

#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  Serial.begin(115200);

  dht.begin();

  lcd.begin(16, 2);
  lcd.init();
  lcd.backlight();

}

void loop() {
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

  // Check if any reads failed and exit early (to try again).
  if (isnan(temperature) || isnan(humidity)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

  Serial.print(F("Humidity: "));
  Serial.print(humidity);
  Serial.print(F(" %  Temperature: "));
  Serial.print(temperature);
  Serial.println(F(" C "));

  lcd.setCursor(0, 0);
  lcd.print("Humidity: ");

  lcd.setCursor(9, 0);
  lcd.print(humidity);

  lcd.setCursor(14, 0);
  lcd.print(" %");

  lcd.setCursor(0, 1);
  lcd.print("Temp: ");

  lcd.setCursor(5, 1);
  lcd.print(temperature);

  lcd.setCursor(10, 1);
  lcd.print(" C");


  // Wait a few seconds between measurements.
  delay(2000);
}