// LCD1602 to Arduino Uno connection example

#include <LiquidCrystal.h>
#define button1 A5

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

void setup() {
  pinMode(button1, INPUT_PULLUP); 
  lcd.begin(16, 2);
  // you can now interact with the LCD, e.g.:
  lcd.setCursor(5,0);
  lcd.print("hai dea");
  delay(3000);
  lcd.clear();
  }

void loop() {
  lcd.setCursor(0,0);
  lcd.print("masukkan pass :");
  lcd.setCursor(0,1);
  lcd.print('_');

  if(digitalRead(button1) == LOW)
  {
    lcd.clear();
    lcd.print("password OK");
    delay(5000);
  }
}