Arduino Button dan tampilan text I2C LCD

#include
#include LiquidCrystal_I2C lcd(0x27,16,2);  // set the LCD address to 0x27 for a 16 chars and 2 line display
const int buttonPin = 2;           // the number of the pushbutton pin
const int buttonPin1 = 3;           // the number of the pushbutton pin
int buttonState = 0;               // variables will change:
int buttonState1 = 1;
void setup()
{
  pinMode(buttonPin, INPUT);       // initialize the pushbutton pin as an input
  pinMode(buttonPin1, INPUT);       // initialize the pushbutton pin as an input
  lcd.init();                      // initialize the lcd
  lcd.backlight();
    lcd.setCursor(0,0);
  lcd.print(“Isur dan Arduino”);
  lcd.setCursor(0,1);
  lcd.print(“BUTTON & LCD-I2C”);
  delay(5000);
  lcd.setCursor(0,0);
  lcd.print(“BTN KANAN :    “);
  lcd.setCursor(0,1);
  lcd.print(“BTN KIRI  :    “);
}
void loop()
{
buttonState = digitalRead(buttonPin);   // read the state of the pushbutton value
buttonState1 = digitalRead(buttonPin1);   // read the state of the pushbutton value
if (buttonState == LOW)
{
      digitalWrite(buttonPin, LOW);
      lcd.setCursor(12,0);
      lcd.print(“ON  “);
}else{
      digitalWrite(buttonPin, HIGH);
      lcd.setCursor(12,0);
      lcd.print(“OFF “);
}
if (buttonState1 == LOW)
{
      digitalWrite(buttonPin1, LOW);
      lcd.setCursor(12,1);
      lcd.print(“ON  “);
}else{
      digitalWrite(buttonPin1, HIGH);
      lcd.setCursor(12,1);
      lcd.print(“OFF “);
}
}