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

#define DHTPIN 15
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

// Initialize the LCD with the numbers of the interface pins
LiquidCrystal lcd(27, 26, 21, 20, 19, 18);

void setup() {
  Serial1.begin(115200);
  dht.begin();
  
  lcd.begin(16, 2);  // Initialize the LCD with 16 columns and 2 rows
  lcd.clear();
  lcd.print("LCD Initialized");
  delay(2000);
}

void loop() {
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();
  
  if (isnan(humidity) || isnan(temperature)) {
    Serial1.println("Failed to read from DHT sensor!");
    lcd.clear();
    lcd.print("Sensor error!");
    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(" %");
  
  delay(2000);
  
  Serial1.print("Temp: ");
  Serial1.print(temperature);
  Serial1.println(" C");
  
  Serial1.print("Humidity: ");
  Serial1.print(humidity);
  Serial1.println(" %");
  
  delay(2000);
}