#include <DHT.h>
#define ac 2
#define DHTPIN 2
#define DHTTYPE 22
DHT dht(DHTPIN, DHTTYPE);

#include <LiquidCrystal_I2C.h>
int kolom=16;
int baris=12;
LiquidCrystal_I2C lcd(0x27, kolom, baris);

void setup(){
pinMode(ac, OUTPUT);
dht.begin();
Serial.begin(9600);
lcd.init();
lcd.backlight();
}

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

lcd.setCursor(0,0);
lcd.print("suhu:");
lcd.print(temperature);
lcd.print((char)223);
lcd.print("c");
lcd.setCursor(0,1);
lcd.print("Hum:");
lcd.print(humidity);
lcd.print("%");

if (temperature > 40){
lcd.setCursor(13,1);
lcd.print("ON");
digitalWrite(ac, HIGH);

}else{
  lcd.setCursor(13,1);
  lcd.print("OFF");
digitalWrite(ac, LOW);
}
}