#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,16,2);

byte Heart[] = { 
  0b00000, 
  0b01010, 
  0b11111, 
  0b11111, 
  0b01110, 
  0b00100, 
  0b00000, 
  0b00000 
};

void setup() {
  pinMode(2, OUTPUT);
  pinMode(13, INPUT_PULLUP);
  Serial.begin(115200);

  lcd.init();
  lcd.clear();
  lcd.backlight();
  lcd.createChar(0, Heart);
  lcd.setCursor(0,0);
  lcd.print("##STATUS LAMPU##");

  for(int i=0; i<16; i++) {
    lcd.setCursor(i,1);
    lcd.write(0);
    delay(100);
  }

  for(int i=16; i>0; i--) {     
    lcd.setCursor(i-1,1);     
    lcd.print(" ");     
    delay(100);   
  } 
}


void loop() {
  int status = digitalRead(13);
  lcd.setCursor(0,1);
  if(status == HIGH)
  { 
    digitalWrite(2, HIGH);
    lcd.print("LAMPU MENYALA");
  } else {
    digitalWrite(2, LOW);
    lcd.print("LAMPU MATI    ");
  }


}