#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <DFRobot_DHT11.h>

// Set the LCD address to 0x27 for a 16 chars and 2 line display
LiquidCrystal_I2C lcd(0x27, 16, 2);

DFRobot_DHT11 DHT;
#define DHT11_PIN 6
#define in 7

void setup(){
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(11, OUTPUT);
  //DHT.begin();
  Serial.begin(9600);

  // initialize the LCD
  lcd.begin(16,2);


  // Turn on the blacklight and print a message.
  lcd.backlight();
}

void loop(){
  
 
  DHT.read(DHT11_PIN);
  lcd.setCursor(0,0);
  lcd.print("Suhu:");
  lcd.print(DHT.temperature);
  lcd.setCursor(10,0);
  lcd.print("C");
  lcd.setCursor(0,1);
  lcd.print("Hum :");
  lcd.print(DHT.humidity);
  lcd.setCursor(10,1);
  lcd.print("%");
  delay(1000);
//float suhu = dht.readtemperature();
  if(DHT.temperature <= 20){
    digitalWrite(9, HIGH);
    digitalWrite(10, LOW);
    digitalWrite(11, LOW);
  }
   if(DHT.temperature > 20 && DHT.temperature < 30 ){
    digitalWrite(9, LOW);
    digitalWrite(10, HIGH);
    digitalWrite(11, LOW);
  }
   if(DHT.temperature >= 30){
    digitalWrite(9, LOW);
    digitalWrite(10, LOW);
    digitalWrite(11, HIGH);
  }
  if (DHT.temperature < 30){
    digitalWrite(in, HIGH);
  } 
  else{
    digitalWrite(in, LOW);
}
}