const byte numeral[13] = {
  //0 = led dalam seven segment yang tidak diberikan tegangan
  //1 = led dalam seven segment yang diberikan tegangan masukan
  B01101111, //H
  B11101111, //a
  B10001101, //r
  B00011101, //l
  B10011111, //e
  B01110111, //y
  B11110111, //g
  B00001101, //i
  B00011101, //l
  B00111111, //b
  B10011111, //e
  B10001101, //r
  B11100001, //t
};
// pin dari segment dp,G,F,E,D,C,B,A
const int segmentPins[8] = { 5, 9, 8, 7, 6, 4, 3, 2 };

void setup() {
  for (int i = 0; i < 8; i++) {
    pinMode(segmentPins[i], OUTPUT);
  }
}

void loop() {
  // Seven segment will start from 0 to 10
  // The system increments by 1 with a delay of 1 second
  
  for (int i = 0; i <= 13; i++) {
    showDigit(i);
    delay(1000);
  }
  delay(2000);
}

void showDigit(int number) {
  boolean isBitSet;
  for (int segment=1;segment < 8; segment++)
  {
  if (number < 0 || number > 12) 
    {
      isBitSet=0; 
    }
    else
    {
       isBitSet = bitRead(numeral[number], segment);
    }
   isBitSet=!isBitSet;
   digitalWrite(segmentPins[segment], isBitSet);
  }
  }