#include <LiquidCrystal.h>
#include <Adafruit_Sensor.h>
#include <DHT.h>
#include <DHT_U.h>

#define DHIPIN 2
#define DHTTYPE  DHT22

DHT_Unified dht(DHIPIN, DHTTYPE);

LiquidCrystal lcd(12,13,15,18,19,21);
int counter = 0;

void setup() {
  lcd.begin(16, 2);

  lcd.print("DHT22");
  dht.begin();
  sensor_t sensor;
  dht.temperature().getSensor(&sensor);
  dht.humidity().getSensor(&sensor);
}

void loop() { delay(300);
   
  sensors_event_t event;
  dht.temperature().getEvent(&event);
  if (!isnan(event.temperature)) {
      lcd.setCursor(0,1);
      lcd.print(event.temperature);
      lcd.print(F("\xdf"));
      lcd.print(F("C"));
  }
  dht.humidity().getEvent(&event);
  if (!isnan(event.relative_humidity)) {
    lcd.setCursor(10,1);
    lcd.print(event.relative_humidity);
    lcd.print(F("%"));
  } 
}