// common cathoda, HIGH nyala, ke GND
// cathoda ke GND
// anoda ke pin

// Nama : Bakri Ahmad Ridhwan
// NIM  : 23.21.1576
// Kelas : Transfer


#define satu 23

int pinLED[] = {22, 23, 24, 25, 26, 27, 28, 29};
int jumlahPIN = 8;

void setup() {
  // put your setup code here, to run once:

  for (int x = 0; x < jumlahPIN; x++) {
    pinMode(pinLED[x], OUTPUT);
  }
}

void loop() {
  // put your main code here, to run repeatedly:
  for (int x = 0; x < jumlahPIN; x++) {
    digitalWrite(pinLED[x], HIGH);
    delay(100);
    digitalWrite(pinLED[x], LOW);
    delay(100);
  }

  for (int x = jumlahPIN; x > 0; x--) {
    digitalWrite(pinLED[x], HIGH);
    delay(100);
    digitalWrite(pinLED[x], LOW);
    delay(100);
  }
}