#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);
int led1 = 6;
int led2 = 2;
int led3 = 1;
int led4 = 3;
int button1 = 9;
int button2 = 8;
int button3 = 7;
int buttonstatus1 = 0;
int buttonstatus2 = 0;
int buttonstatus3 = 0;

void setup() 
{
  lcd.init();
  lcd.backlight();
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(button1, INPUT);
  pinMode(button2, INPUT);
  pinMode(button3, INPUT);
}
void loop() 
{
  buttonstatus1 = digitalRead(button1);
  buttonstatus2 = digitalRead(button2);
  buttonstatus3 = digitalRead(button3);

   if(buttonstatus1==HIGH)
  {
    digitalWrite(led1, HIGH);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    digitalWrite(led4, HIGH);

    lcd.setCursor(4,0);
    lcd.print("KAMAR 1");
    delay(500);
    lcd.clear();

    lcd.setCursor(3,1);
    lcd.print("DARURAT!!");
    delay(500);
    lcd.clear();
  }
   else 
    {
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    digitalWrite(led4, LOW);
    }

    if(buttonstatus2==HIGH)
  {
    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    digitalWrite(led3, LOW);
    digitalWrite(led4, HIGH);

    lcd.setCursor(4,0);
    lcd.print("KAMAR 2");
    delay(500);
    lcd.clear();

    lcd.setCursor(3,1);
    lcd.print("DARURAT!!");
    delay(500);
    lcd.clear();
  }
   else 
    {
    digitalWrite(led1, LOW);
    digitalWrite(led3, LOW);
    digitalWrite(led4, LOW);
    }

    if(buttonstatus3==HIGH)
  {
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, HIGH);
    digitalWrite(led4, HIGH);

    lcd.setCursor(4,0);
    lcd.print("KAMAR 3");
    delay(500);
    lcd.clear();

    lcd.setCursor(3,1);
    lcd.print("DARURAT!!");
    delay(500);
    lcd.clear();
  }
   else 
    {
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led4, LOW);
    }
}