int i = 0;
bool recordingStarted = false; // Flag to track if recording has started
bool recordingChanged = false; // Flag to track if recording state has changed

void setup() {
  pinMode(13, OUTPUT);
  pinMode(2, INPUT_PULLUP);
  Serial.begin(9600); // Initialize serial communication
}

void loop() {
  if (digitalRead(2) == 0) {
    while (digitalRead(2) == 0) {
      delay(10);
    }
    i++;
    if (i % 2 == 1) {
      if (!recordingStarted) {
        recordingStarted = true;
        recordingChanged = true;
      }
    } else {
      if (recordingStarted) {
        recordingStarted = false;
        recordingChanged = true;
      }
    }
  }
  
  if (recordingChanged) {
    if (recordingStarted) {
      Serial.println("Recording now"); // Print message when recording starts
      digitalWrite(13, HIGH); // Turn on LED when recording starts
    } else {
      Serial.println("Recording off"); // Print message when recording stops
      digitalWrite(13, LOW); // Turn off LED when recording stops
    }
    recordingChanged = false; // Reset the flag
  }
}