#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include "DHTesp.h"

#define DHTPIN D6            // Pin del sensor DHT11
#define DHTTYPE DHTesp::DHT11   // Tipo de sensor DHT11
#define I2C_ADDR 0x27       // Dirección I2C del LCD
#define LCD_COLS 21         // 21 columnas
#define LCD_ROWS 4          // 4 filas

DHTesp dht;

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLS, LCD_ROWS);

void setup() {
  Serial.begin(115200);
  dht.setup(DHTPIN, DHTTYPE);
  lcd.init();
  lcd.backlight();
}

void loop() {
  delay(2000);
  
  float humidity = dht.getHumidity();
  float temperature = dht.getTemperature();

  if (isnan(humidity) || isnan(temperature)) {
    Serial.println("Error al leer el sensor DHT11!");
    return;
  }

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Temp: ");
  lcd.print(temperature);
  lcd.print(" C");

  lcd.setCursor(0, 1);
  lcd.print("Hum: ");
  lcd.print(humidity);
  lcd.print(" %");
}