int potPin = A0;   // Potentiometer connected to analog pin A0
int ledPin = 9;    // LED connected to PWM pin 9

void setup() {
  pinMode(ledPin, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  int potValue = analogRead(potPin);             // Read potentiometer (0 - 1023)
  int brightness = map(potValue, 0, 1023, 0, 255); // Scale to PWM range (0 - 255)
  
  analogWrite(ledPin, brightness);             // Control LED brightness using PWM
  
  // Optional: Print values to Serial Monitor for debugging
  Serial.print("Pot: ");
  Serial.print(potValue);
  Serial.print(" | Brightness: ");
  Serial.println(brightness);
  delay(50);
}