//inisial nilai pin yang digunakan
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

cons int ledPin=5;
cons int pushButton= 4;

void setup() {
  lcd.init();
  lcd.backlight();
  lcd.setCursor(2, 0);
  lcd.print("ADA ADA AJA");
  serial.begin (115200);
  pinMode(ledPin, OUTPUT);
  pinMode(pushButton, INPUT);

}
void loop() {
  int buttonState = digitalRead(pushButton);
  serial.println(buttonState);
  if (buttonState == 1){
    digitalWrite(ledPin, HIGH);
  }else{
    digitalWrite(ledPin, LOW);
  }
  delay(1);
}