#include "DHT.h"
#include <LiquidCrystal_I2C.h>
#define DHTPIN 2     
#define DHTTYPE DHT22   
DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27,16,2);
int led = 9;

void setup() {
  Serial.begin(9600);
 dht.begin();
 lcd.init();
 lcd.clear();
 lcd.setBacklight(1);
 lcd.print("Monitoring DHT22");
 pinMode(led,OUTPUT);
 delay(500);
 lcd.setCursor(0,1);
 lcd.print ("AGUNG");
 delay (1000);
  }

 void loop() {

 float temperature = dht.readTemperature();
 float humidity = dht.readHumidity();

 
 if (isnan(temperature) || isnan(humidity)) {
 Serial.println(F("Failed to read from DHT sensor!"));
 return;
 }
 if(temperature < 30){
 digitalWrite(led,HIGH);
 lcd.setCursor (0,2);
 lcd.print ("LED ON ");
    
 }
 if(temperature > 30){
  digitalWrite(led,LOW);
  lcd.setCursor (0,2);
  lcd.print ("LED OFF");
 } 
 lcd.setCursor(0,0);
 lcd.print("KELEMBAPAN :");
 lcd.print((float)dht.readHumidity());
 lcd.print("\337C");
 lcd.setCursor(0,4);
 lcd.print("SUHU :");
 lcd.print((float)dht.readTemperature());
 lcd.print("%");

 }