#include "DHTesp.h"
#include "LiquidCrystal_I2C.h"

DHTesp dhtSensor; // Declare temp and humidity Sensor
LiquidCrystal_I2C lcd(0x27, 16, 2); // Declare LCD Display

const int DHT_PIN = 13;

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

  // setup sensor
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

  // setup LCD monitor
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
}

void loop() {
  float temperature = dhtSensor.getTemperature();
  float humidity = dhtSensor.getHumidity();

  Serial.println("Temperature: " + String(temperature, 2) + "°C");
  Serial.println("Humidity: " + String(humidity, 1) + "%");

  if (isnan(temperature) || isnan(humidity)) {
    Serial.println("Lỗi khi đọc dữ liệu từ cảm biến DHT22!");
  } else {
    // Display Temperature
    lcd.setCursor(0, 0);
    lcd.print("Nhiet do: ");
    lcd.print(temperature);
    lcd.print(" C");

    // Display Humidity
    lcd.setCursor(0, 1);
    lcd.print("Do am: ");
    lcd.print(humidity);
    lcd.print(" %");
  }

  delay(2000);
}