#define LED_PIN 6 // must support PWM
#define POTENSIOMETER_PIN A0

void setup() {
  Serial.begin(115200);
  pinMode(LED_PIN, OUTPUT);
  pinMode(POTENSIOMETER_PIN, INPUT);
}

void loop() {
  int value = analogRead(POTENSIOMETER_PIN); //Memiliki nilai 0-1023 (10-bit)
  Serial.println(value);
  delay(100);

  analogWrite(LED_PIN, value/4); //Dibagi 4 karena nilai max 255
}