#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd (0x27,16,2);

#define led 8

const int buzzer = 6 ;
const int saklar = 7 ;

void setup() {
  // put your setup code here, to run once:
lcd.init();
lcd.backlight();
pinMode(led, OUTPUT);
pinMode(buzzer, OUTPUT);
pinMode(saklar, INPUT_PULLUP);


}

void loop() {
  // put your main code here, to run repeatedly:
int kondisi = digitalRead(saklar);
lcd.clear ();
if (kondisi == 0) {
lcd.setCursor (0,0);
lcd.print("Gagal");
digitalWrite(buzzer, HIGH);
digitalWrite(led, HIGH);
}
else {
digitalWrite(led, LOW);

}
delay(100);


}