#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {

lcd.init();
lcd.backlight();

pinMode(13,OUTPUT);
pinMode(12,OUTPUT);
pinMode(11,OUTPUT);
pinMode(10,OUTPUT);
pinMode(6,INPUT);
pinMode(4,INPUT);
attachInterrupt(digitalPinToInterrupt(2), faqih, FALLING);

}

void loop() {
  int keadaanbutton1 = digitalRead(6);
  int keadaanbutton2 = digitalRead(4);

  
  if (keadaanbutton1 == HIGH)
  {
   digitalWrite(13,HIGH);
   digitalWrite(12,LOW);
   digitalWrite(11,HIGH);
   digitalWrite(10,LOW);
 
  lcd.setCursor(2,0);
  lcd.print("jalan kanan");
  delay(4000);
  lcd.clear();

  

  }
if (keadaanbutton2 == HIGH)
{
   digitalWrite(13,LOW);
   digitalWrite(12,HIGH);
   digitalWrite(11,LOW);
   digitalWrite(10,HIGH);

  lcd.setCursor(2,0);
  lcd.print("jalan kiri");
  delay(4000);
  lcd.clear();

}
}


void faqih()
{
  
  digitalWrite(13,LOW);
   digitalWrite(12,LOW);
   digitalWrite(11,LOW);
   digitalWrite(10,LOW);

}