#define SOUND_SENSOR_PIN 17   // GPIO17

void setup() {
  Serial.begin(115200);
  pinMode(SOUND_SENSOR_PIN, INPUT);
  Serial.println("Sound Sensor Test (KY-037 - Digital Output)");
}

void loop() {
  int soundState = digitalRead(SOUND_SENSOR_PIN);

  if (soundState == LOW) {
    Serial.println("Sound Detected!");
  } else {
    Serial.println("Sound not detected");
  }

  delay(100); // 100 ms delay
}