// 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);

void setup() {

  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
  
}

void loop() {

  uint16_t i;

    for(i=0; i< strip.numPixels(); i++) {
    strip.setPixelColor(i, 0,255,0 ); // green
	strip.show(); // Update each pixel one by one, and wait 1000 ms in between each update.
	delay( 1000 );
	strip.setPixelColor(i, 0, 0, 0 );
	
    }
}