#define soundSensor A0
#define relayPin 13

int tapThreshold = 100; // Adjust the threshold based on your testing
unsigned long lastTapTime = 0;
int tapCounter = 0;

void setup() {
  Serial.begin(115200);
  pinMode(relayPin, OUTPUT);
}

void loop() {
  int soundLevel = analogRead(soundSensor);
  Serial.println(soundLevel);

  if (abs(soundLevel - 512) > tapThreshold && millis() - lastTapTime > 500) {
    lastTapTime = millis();

    // Increment the tap counter
    tapCounter++;

    // Toggle the relay based on the tap counter
    if (tapCounter == 2) {
      digitalWrite(relayPin, HIGH); // Turn the light on
    } else if (tapCounter == 4) {
      digitalWrite(relayPin, LOW);  // Turn the light off
      tapCounter = 0;  // Reset the counter after turning off the light
    }

    delay(500); // Add a delay to avoid rapid toggling due to continuous sound
  }
}