#include "DHT.h"
#define DHTPIN 2     
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
DHT dht(DHTPIN, DHTTYPE);
int led=8;
int led1=7;

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {
  // put your setup code here, to run once:
 Serial.begin(115200);
  Serial.println(F("Pendeteksi suhu!"));

  lcd.setCursor(0,5);
  lcd.init();
  lcd.backlight();
  dht.begin();
}

void loop() {
  // put your main code here, to run repeatedly:
 float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();
  if (temperature>=30){
  digitalWrite(led, HIGH);
  lcd.clear();
  lcd.setCursor(1, 1);
  lcd.print("Suhu: ");
  lcd.setCursor(7, 1);
  lcd.print(temperature);
  lcd.setCursor(13, 1);
  lcd.print("Celcius");
  lcd.setCursor(2, 2);
  lcd.print("Led Merah Menyala");
  digitalWrite(led1, LOW);
  }
  else{
    digitalWrite(led, LOW);
  digitalWrite(led1, HIGH);
  lcd.clear();
  lcd.setCursor(1, 1);
  lcd.print("Suhu: ");
  lcd.setCursor(7, 1);
  lcd.print(temperature);
  lcd.setCursor(13, 1);
  lcd.print("Celcius");
  lcd.setCursor(2, 2);
  lcd.print("Led Kuning Menyala");
  }
  
  
  
  // Check if any reads failed and exit early (to try again).
  if (isnan(temperature) || isnan(humidity)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

  delay(200);
}