#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <DHT.h>
#include <LiquidCrystal_I2C.h>

#define DHT_PIN 4
#define DHT_TYPE DHT22

#define LCD_ADDRESS 0x27
#define LCD_COLS 16
#define LCD_ROWS 2

DHT dht(DHT_PIN, DHT_TYPE);
LiquidCrystal_I2C lcd(LCD_ADDRESS, LCD_COLS, LCD_ROWS);

void setup() {

  Serial.begin(9600);

  dht.begin();


  lcd.init();
  lcd.backlight();
}

void loop() {
  
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();


  if (isnan(temperature) || isnan(humidity)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.print(" °C\t");
  Serial.print("Humidity: ");
  Serial.print(humidity);
  Serial.println(" %");

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Temp: ");
  lcd.print(temperature);
  lcd.print("C");
  lcd.setCursor(0, 1);
  lcd.print("Humidity: ");
  lcd.print(humidity);
  lcd.print("%");

  delay(5000);
}