const int potPin = A0; // Analog pin connected to the potentiometer
const int ledPin = 9;  // PWM pin connected to the LED

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

void loop() {
  int potValue = analogRead(potPin); // Read the analog value from the potentiometer
  int ledBrightness = map(potValue, 0, 1023, 0, 255); // Map the potentiometer value to a range of 0-255

  analogWrite(ledPin, ledBrightness); // Set the LED brightness

  Serial.print("Potentiometer Value: ");
  Serial.print(potValue);
  Serial.print(" -> LED Brightness: ");
  Serial.println(ledBrightness);

  delay(100); // Wait for 100 milliseconds before taking another reading
}