const int ledPin = 2;
const int potPin = 34;

const int pwmThresholds[] = {0, 64, 192, 255};
const char* statusStrings[] = {"Mati", "Redup", "Terang", "Terang Sekali"};

void setup() {
  pinMode(ledPin, OUTPUT);
  pinMode(potPin, INPUT);
  Serial.begin(115200);
}

void loop() {
  int potValue = analogRead(potPin);
  int pwmValue = map(potValue, 0, 4095, 0, 255);
  analogWrite(ledPin, pwmValue);

  int statusIndex = 0;
  while (pwmValue > pwmThresholds[statusIndex]) {
    statusIndex++;
  }

  float voltage = potValue * (3.3 / 4095.0);

  Serial.print("Adc: ");
  Serial.print(potValue);
  Serial.print(" - Tegangan: ");
  Serial.print(voltage, 2);
  Serial.print("V - Status: ");
  Serial.println(statusStrings[statusIndex]);

  delay(10);
}