const int potPin = 10;   // Analog pin for potentiometer input
const int pwmPin = 39;    // PWM pin for output
const int ledPin = 15;   // Built-in LED pin

void setup() {
  // Initialize serial communication for debugging
  Serial.begin(9600);

  // Set PWM pin and LED pin as outputs
  pinMode(pwmPin, OUTPUT);
  pinMode(ledPin, OUTPUT);
}

void loop() {
  // Read the value from the potentiometer
  int potValue = analogRead(potPin);

  // Map the potentiometer value (0-1023) to PWM range (0-255)
  int dutyCycle = map(potValue, 0, 1023, 0, 255);

  // Output the duty cycle
  analogWrite(pwmPin, dutyCycle);

  // Print potentiometer value and corresponding duty cycle
  Serial.print("Potentiometer Value: ");
  Serial.print(potValue);
  Serial.print("   Duty Cycle: ");
  Serial.println(dutyCycle);

  // Blink the built-in LED
  digitalWrite(ledPin, HIGH);
  delay(500);
  digitalWrite(ledPin, LOW);
  delay(500);
}