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

void setup() {
  pinMode(ledPin, OUTPUT); // Set the LED pin as an output
  Serial.begin(9600);      // Initialize serial communication
}

void loop() {
  int sensorValue = analogRead(potPin); // Read the potentiometer value (0-1023)

  int brightness = map(sensorValue, 0, 1023, 0, 255); // Map the sensor value to LED brightness (0-255)
  analogWrite(ledPin, brightness); // Set the LED brightness
  
  Serial.print("Potentiometer Value: ");
  Serial.print(sensorValue);
  Serial.print(" | LED Brightness: ");
  Serial.println(brightness);
  
  delay(100); // Delay for stability
}