int sensorPin = A0;
// pin led
int ledPins[] = {6, 5, 4, 3, 2};
int sensorValue = 0;

void setup() {
  // atur sebagai output
  for (int i = 0; i < 5; i++) {
    pinMode(ledPins[i], OUTPUT);
  }
  Serial.begin(9600);
}

void loop() {
  // read sensor potensiometer dan map nilai ke 0-5
  sensorValue = analogRead(sensorPin);
  int ledCount = map(sensorValue, 0, 1023, 0, 5);

  // Nyalakan LED sesuai dengan bacaan potensiometer
  for (int i = 0; i < 5; i++) {
    if (i < ledCount) {
      digitalWrite(ledPins[i], HIGH); // Turn on LED
    } else {
      digitalWrite(ledPins[i], LOW); // Turn off LED
    }
  }

  // Cek dengan serial monitor
  Serial.print("Sensor Value: ");
  Serial.print(sensorValue);
  Serial.print(" | LEDs ON: ");
  Serial.println(ledCount);

  delay(100);
}