Simple LED fade with Arduino Nano

simpleFade.ino

//Reference: https://www.arduino.cc/en/Tutorial/Fade
const int ledPin = 9;
int brightness = 0;
int change = 5;

void setup() {
  pinMode(ledPin, OUTPUT);
  Serial.begin(9600);
}

void loop() {  
  if (brightness <= 0) {
    Serial.println("Increasing");
    change = 5;
  }
  if (brightness >= 255) {
    Serial.println("Decreasing");
    change = -5;
  }
  brightness = brightness + change;
  analogWrite(ledPin, brightness);
  delay(30);
}