NeoPixels test

main.ino

// NeoPixel Ring simple sketch (c) 2013 Shae Erisson
// released under the GPLv3 license to match the rest of the AdaFruit NeoPixel library
#include <Adafruit_NeoPixel.h>

// Which pin on the Arduino is connected to the NeoPixels?
// On a Trinket or Gemma we suggest changing this to 1
#define PIN            11

// How many NeoPixels are attached to the Arduino?
#define NUMPIXELS      3

// When we setup the NeoPixel library, we tell it how many pixels, and which pin to use to send signals.
// Note that for older NeoPixel strips you might need to change the third parameter--see the strandtest
// example for more information on possible values.
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

int delayval = 500; // delay for half a second

void setup()
{
  pixels.begin(); // This initializes the NeoPixel library.
}

void loop ()
{
  // For a set of NeoPixels the first NeoPixel is 0, second is 1, all the way up to the count of pixels minus one.

  for (int i=0; i < NUMPIXELS; i++)
  {
    switch (i) {
      case 0: pixels.setPixelColor(i, pixels.Color(0, 0, 255)); break; // Moderately bright green color.
      case 1: pixels.setPixelColor(i, pixels.Color(0, 255, 0)); break; // Moderately bright green color.
      case 2: pixels.setPixelColor(i, pixels.Color(255, 0, 0)); break; // Moderately bright green color.
    }

    pixels.show(); // This sends the updated pixel color to the hardware.

    delay(delayval); // Delay for a period of time (in milliseconds).

  }
}