const int potPin = A0;       // Analog input pin for the potentiometer
const int ledCount = 10;     // Number of LEDs in the bar graph
int ledPins[] = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11}; // Pins for the LEDs

void setup() {
  // Initialize all LED pins as outputs
  for (int i = 0; i < ledCount; i++) {
    pinMode(ledPins[i], OUTPUT);
  }
}

void loop() {
  // Read the potentiometer value (0-1023)
  int sensorValue = analogRead(potPin);
  
  // Map the sensor value to the number of LEDs to light (0-10)
  int ledLevel = map(sensorValue, 0, 1023, 0, ledCount);
  
  // Light up the LEDs up to the ledLevel
  for (int i = 0; i < ledCount; i++) {
    digitalWrite(ledPins[i], (i < ledLevel) ? HIGH : LOW);
  }
  
  // Small delay for stability
  delay(10);
}