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


#define PIXEL_PIN D2
#define PIXEL_COUNT 16
#define PIXEL_TYPE WS2812
 
Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);

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


}

void loop() {
   uint16_t i;
  uint32_t c = strip.Color(127, 0, 255);

  for(i=0; i< strip.numPixels(); i++) {
    strip.setPixelColor(i, c );
		strip.show();
		delay( 300 );
  }
  

  for(i=strip.numPixels(); i>0; i--){
      strip.setPixelColor(i,strip.Color(0,0,0));
      strip.show();
      delay(300);
  }
	
	delay( 100 );

}
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