int const led1 = 13;
int const led2 = 12;
int const led3 = 11;
int const led4 = 10;
int const led5 = 9;
int const led6 = 8;
int const ledBrightness;



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

  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(led5, OUTPUT);
  pinMode(led6, OUTPUT);
  pinMode(ledBrightness, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
analogWrite(ledBrightness, brightness);

brightness = brightness + fadeAmount;


if(brightness >= 255){
  brightness = brightness - fadeAmount;
}

delay(50);




  for(int ThisPin = 8; ThisPin <=13; ThisPin++){
    digitalWrite(ThisPin, HIGH);
    delay(100);
    digitalWrite(ThisPin, LOW);
  }
 

}