// Muhammad Ikhsan Faturrahman Wiguna
// 21/480831/TK/53068
// Teknik Elektro


int LED_PIN = 11;
int brightness = 0;
int fading = 5;

void setup() {
  pinMode(LED_PIN, OUTPUT);
}

void loop() {
  analogWrite(LED_PIN, brightness);

  brightness = brightness + fading;

  if (brightness <= 0 || brightness >= 255) {
    fading = -fading;
  }
  delay(30);
}