int ledky[] = {2,3,4,5,6,7,8,9,10,11};

void setup() {
  //Serial.begin(9600);
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(11, OUTPUT);
}
void loop() {
  //digitalWrite(2, HIGH);
  //digitalWrite(3, HIGH);
  //digitalWrite(4, HIGH);
  //digitalWrite(5, HIGH);
  //digitalWrite(6, HIGH);
  //digitalWrite(7, HIGH);
  //digitalWrite(8, HIGH);
  //digitalWrite(9, HIGH);
  //digitalWrite(10, HIGH);
  //digitalWrite(11, HIGH);
  //int val = analogRead(0);
  //int newVal = map(val, 0, 1023, 0, 255);
  //Serial.print("pot: ");
  //Serial.println(val);
  //Serial.print("map: ");
  //Serial.println(newVal);
  //delay(500);

  for (int i = 10; i >= 0; i--) {
    digitalWrite(ledky[i], HIGH);
    delay(100);
  }
  delay(100);
  for (int i = 0; i < 10; i++) {
    digitalWrite(ledky[i], LOW);
    delay(100);
  }
}