#include <LiquidCrystal_I2C.h>
#include "DHT.h"
#define DHTPIN 12     // DHT PIN 12
#define DHTTYPE DHT22   // DHT 22
DHT dht(DHTPIN, DHTTYPE);

LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {
  lcd.init();
  lcd.backlight();
  lcd.setCursor(1, 0);
  lcd.print("Hello, Wokwi!");
  delay(1000);
  lcd.clear();
  dht.begin();
}

void loop() {
  delay(1000);
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  
  
  if (isnan(h) || isnan(t) ) {
    lcd.setCursor(1, 0);
    lcd.print("Failed to read!");
    return;
  }
  lcd.setCursor(0, 0);
  lcd.print(t);

  lcd.setCursor(6, 0);
  lcd.print("Celcius");

  lcd.setCursor(0, 1);
  lcd.print(h);

  lcd.setCursor(6, 1);
  lcd.print("%");

  delay(1000);
}