const int ledPin = 13;
const int potPin = 15;

void setup() {
  Serial.begin(115200);

  pinMode(ledPin, OUTPUT);
  pinMode(potPin, INPUT);

  delay(1000);  
}

void loop() {
  int brightness = readPotentiometer();
  
  analogWrite(ledPin, brightness);

  Serial.print("Potentiometer Value: ");
  Serial.print(brightness);
  Serial.print(" | LED Brightness (PWM): ");
  Serial.println(brightness);

  delay(10);
}

int readPotentiometer() {
  int potValue = analogRead(potPin);
  
  Serial.print("Raw Potentiometer Value: ");
  Serial.println(potValue);

  return map(potValue, 0, 4095, 0, 255);
}