const int potPin = A0;
const int ledPin = 6;

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

void loop() {
  int adcValue = analogRead(potPin);           // Range: 0–1023
  int pwmValue = map(adcValue, 0, 1023, 0, 255); // Range: 0–255

  analogWrite(ledPin, pwmValue);               // Set LED brightness

  float dutyCycle = (pwmValue / 255.0) * 100;   // Duty cycle in %
  Serial.print("ADC: ");
  Serial.print(adcValue);
  Serial.print(" | PWM: ");
  Serial.print(pwmValue);
  Serial.print(" | Duty Cycle: ");
  Serial.print(dutyCycle, 1);
  Serial.println(" %");

  delay(500);
}