// This #include statement was automatically added by the Particle IDE.
#include <neopixel.h>

// IMPORTANT: Set pixel COUNT, PIN and TYPE
#define PIXEL_PIN D2
#define PIXEL_COUNT 16
#define PIXEL_TYPE WS2812

Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);
int numPixels = strip.numPixels();

void setup() {
    
    strip.begin();
    strip.show(); // Initialize all pixels to 'off'

}

void loop() {
    
      uint16_t i;
      uint32_t c = strip.Color(0, 255, 255);
    
    for(i=0; i< strip.numPixels(); i++) {
        strip.setPixelColor(i, c );
		strip.show(); // tells Neopixels to push the updates to each individual pixel
		delay( 200 );
  }
	
	delay( 500 );
	
	 for(int i= numPixels; i>=0 ; i--) {
     strip.setPixelColor(i, 0, 0, 0 );
     strip.show();
     delay(200);
   }
   delay( 500 );
}