// ESP32 Pot to LED PWM / Potansiyometre ile LED parlaklik

// Pin tanimlari / Pin definitions
const int POT_PIN = 34;  // ADC1_CH6, input-only / Classic DevKit V1 safe
const int LED_PIN = 5;   // PWM cikis + 220R / PWM out via 220R resistor

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

  // 12-bit ADC sabitle / Force 12-bit ADC
  analogReadResolution(12);

  pinMode(LED_PIN, OUTPUT);

  Serial.println("Potansiyometre ile LED parlaklik kontrolu basladi.");
}

void loop() {
  int rawValue = analogRead(POT_PIN);

  // 0-4095 -> 0-255 / Map ADC to PWM
  int brightness = map(rawValue, 0, 4095, 0, 255);

  analogWrite(LED_PIN, brightness);

  Serial.print("ADC: ");
  Serial.print(rawValue);
  Serial.print("  |  PWM: ");
  Serial.println(brightness);

  delay(50);
}