#define BUZZER_PIN 5
#define POT_PIN 34

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

void loop() {
  int potValue = analogRead(POT_PIN); // 0-4095 on ESP32
  int frequency = map(potValue, 0, 4095, 200, 2000); // Map to 200–2000 Hz

  Serial.print("Pot: ");
  Serial.print(potValue);
  Serial.print("  Freq: ");
  Serial.println(frequency);

  tone(BUZZER_PIN, frequency); // Play tone

  delay(50);
}