const int ledPins[8] = {13, 12, 14, 27, 26, 25, 33, 32};
const int potPin = 34;

int currentLed = 0;

void setup() {
  for (int i = 0; i < 8; i++) {
    pinMode(ledPins[i], OUTPUT);
  }
  pinMode(potPin, INPUT);
}

void loop() {
  int potValue = analogRead(potPin); 


  int delayTime = map(potValue, 0, 4095, 500, 20);


  for (int i = 0; i < 8; i++) {
    digitalWrite(ledPins[i], LOW);
  }
  digitalWrite(ledPins[currentLed], HIGH);

  delay(delayTime);

  currentLed++;
  if (currentLed >= 8) {
    currentLed = 0;
  }
}