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

#define DHT_PIN 7
#define DHT_MODEL DHT11

LiquidCrystal_I2C lcd(0x27,16,2);
DHT dht(DHT_PIN, DHT_MODEL);

void setup() {  
  dht.begin();
  lcd.init(); 
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("COSMOLIGHT");
  lcd.setCursor(0, 1);
  lcd.print("Project Arduino");
  delay(3000);
}

void loop(){
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();
  
  lcd.clear();
  lcd.setCursor(0, 0);
  
  if (isnan(temperature) || isnan(humidity)) {
    lcd.setCursor(0, 0);
    lcd.print("ERROR");
    return;
  }
 
  lcd.setCursor(0, 0);
  lcd.print("Temp(");
  lcd.write(0xdf);
  lcd.print("C): " + String(temperature, 1));
  lcd.setCursor(0, 1);
  lcd.print("Hum(%): " + String(humidity, 1));
  
  delay(2000);
}