int NumLEDs::start(String args) {
    int val = args.toInt();
    //Always clear the strip first
    _strip->clear();
    if( val > 0 ) {
      _strip->fill(_color, 0, val);
    }
    _strip->show();
    return "";
  };
char * NumLEDs::args() {return "<int num_leds>"; };
int BrightnessLEDs::start(String args) {
    int val = args.toInt();
    _strip->clear();
    _strip->fill(_strip->ColorHSV(_hue,_sat,val));
    _strip->show();
    return "";
  };
char * BrightnessLEDs::args() {return "<int brightness>"; };
void BreathingLEDs::update() {
    if( _rate <= 0 ) {
      _strip->fill(0);
      _strip->show();
      return;
    }
    _current = _current + (_rate * _direction);
    if( _current < 0 ) {
      _current = 0;
      _direction = 1;
    }
    if( _current > 255 * _factor ) {
      _current = 255 * _factor;
      _direction = -1;
    }
    _strip->fill(_strip->ColorHSV(_hue,_sat,_current / _factor));
    _strip->show();

  };
int BreathingLEDs::start(String args) {
    _current = 0;
    _direction = 1;
    _running = true;
    int val = args.toInt();
    _rate = val;
    return "";
  };
char * BreathingLEDs::args() {return "<int rate (1-255ish)>"; };