Detail-2.ino

  analogWrite(10, 30); delay(200); analogWrite(10, 0); delay(300); analogWrite(10, 30); delay(200); analogWrite(10, 0); delay(1000);  // blink 2 times when arduino boot finish

  while (cyclecompt < 500) { // check for 5 seconds the number of time mode button is pushed
    buttonState = digitalRead(mode);
    if (buttonState != lastButtonState) {
      if (buttonState == HIGH) {
        buttonCounter++;
        delay(200);
      }
    }
    lastButtonState = buttonState;
    delay(10);
    cyclecompt++;
  }

  if (buttonCounter == 0) {
    md2 = initTime;
  }
  else {
    md2 = initTime + ( buttonCounter * 2 ); // Add 2 minutes per push of the mode button
  }
  intervaL = 21.0 / ( (float)md2 * 6.0 ); //21 is the interval between brightness change from starting 11 breath per minute (20 ms) to ending 6 breath per minute (41 ms)
  start = 0;
  if ( md2 != initTime ) { // blink the number of time mode button is pushed
    cyclecompt = 1;
    while (cyclecompt < buttonCounter + 1) {
      analogWrite(10, 50); delay(200); analogWrite(10, 0); delay(300);
      cyclecompt++;
    }
    delay(800);
  }
}