int Lane1 = 9;    // OutputChannel 1

void setup() {
  // nothing happens in setup
}

void loop() {

  for (int fadeValue = 0 ; fadeValue <= 255; fadeValue += 5) {
    analogWrite(Lane1, fadeValue);
    delayMicroseconds(30);
  }

  // fade out from max to min in increments of 5 points:
  for (int fadeValue = 255 ; fadeValue >= 0; fadeValue -= 5) {
    // sets the value (range from 0 to 255):
    analogWrite(Lane1, fadeValue);
    // wait for 30 milliseconds to see the dimming effect
    delayMicroseconds(30);
  }
}