#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
#include <avr/power.h> // Required for 16 MHz Adafruit Trinket
#endif
 
#define PIN        6
#define NUMPIXELS  16
 
int delayTime = 50; 
Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
 
void NeoBlink(int num, int wait)
{
  for (int i = 0; i < num; i++)
  {
    pixels.setPixelColor(i, 255, 0, 0);
    pixels.show();
    delay(wait);
  }

  for (int j = 0; j < num; j++)
  {
    pixels.setPixelColor(j, 255, 255, 0);
    pixels.show();
    delay(wait);
  }
  
  for (int k = 0; k < num; k++)
  {
    pixels.setPixelColor(k, 0, 255, 0);
    pixels.show();
    delay(wait);
  }

  for (int l = 0; l < num; l++)
  {
    pixels.setPixelColor(l, 0, 255, 255);
    pixels.show();
    delay(wait);
  }
  
  for (int m = 0; m < num; m++)
  {
    pixels.setPixelColor(m, 0, 0, 255);
    pixels.show();
    delay(wait);
  }

  for (int n = 0; n < num; n++)
  {
    pixels.setPixelColor(n, 255, 0, 255);
    pixels.show();
    delay(wait);
  }

}
 
void setup()
{
  pixels.begin();
  pixels.setBrightness(255);
}
 
void loop()
{
  NeoBlink(NUMPIXELS, delayTime);
}