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


#define DHTPIN 7        
#define DHTTYPE DHT22    

DHT sensorSuhu(DHTPIN, DHTTYPE);


LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
 
  sensorSuhu.begin();
  lcd.init();
  lcd.backlight();
  
  
  lcd.setCursor(0, 0);
  lcd.print(" ALAT PENGUKUR ");
  lcd.setCursor(0, 1);
  lcd.print(" SUHU RUANGAN ");
  delay(2000);    
  lcd.clear();    
}

void loop() {
 
  float kelembapan = sensorSuhu.readHumidity();
  float suhu = sensorSuhu.readTemperature();

 
  if (isnan(kelembapan) || isnan(suhu)) {
    lcd.setCursor(0, 0);
    lcd.print("Error Baca!     ");
    lcd.setCursor(0, 1);
    lcd.print("Cek Kabel Sensor");
    delay(2000);
    return;
  }

 
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Suhu Ruangan:");
  lcd.setCursor(0, 1);
  lcd.print(suhu, 1);    
  lcd.print(" ");
  lcd.write(223);          
  lcd.print("C");
  delay(3000);

 
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Kelembapan:");
  lcd.setCursor(0, 1);
  lcd.print(kelembapan, 1); 
  lcd.print(" % RH");
  delay(3000);
}