#include <LiquidCrystal_I2C.h>
#include "DHT.h"
#define DHTPIN 2
#define DHTTYPE DHT22
DHT dht(DHTPIN,DHTTYPE);
LiquidCrystal_I2C lcd(0x27,20,4);
int relay1 = A3;
int relay2 = A2;

void setup(){
  pinMode(relay1,OUTPUT);
  pinMode(relay2,OUTPUT);
  pinMode(DHTPIN,INPUT);
  lcd.init();
  lcd.backlight();
  lcd.begin(20,4);
  dht.begin();
  // put your setup code here, to run once:

}

void loop(){
  delay(100);
  lcd.setCursor(0,0);
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  if(isnan(h)||isnan(t)){
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }
  lcd.print("KELEMBAPAN: ");
  lcd.print(h);
  lcd.setCursor(0,1);
  lcd.print("SUHU: ");
  lcd.print(t);
  lcd.setCursor(0,2);
  lcd.print("==SITI MASRUROH==");
  lcd.setCursor(0,3);
  lcd.print("Semester II Reg A");
  lcd.setCursor(0,4);
  lcd.scrollDisplayLeft();
  delay(100);

  //put your main code here, to run repeatedly:
  if(t<41)
  {
    digitalWrite;(relay1,HIGH);
    digitalWrite;(relay2,LOW);
  }
  else
  {
    digitalWrite;(relay1,LOW);
    digitalWrite;(relay2,HIGH);
  }
}