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

#define DHTPIN 33
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal lcd(2, 4, 5, 18, 19, 21);

void setup() {
  pinMode(34, OUTPUT);
  lcd.begin(16, 2);
  lcd.print("Hello!");
  delay(2000);
  lcd.clear();
  dht.begin();
}

void loop() {
  digitalWrite(34, HIGH);
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();

  lcd.print("Temp: ");
  lcd.print(temperature);
  lcd.print(" C");
  delay(2000);

  lcd.clear();

  lcd.print("Humid: ");
  lcd.print(humidity);
  lcd.print(" %");
  delay(2000);
  digitalWrite(34, LOW);

  lcd.clear();
}