#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
#include <avr/power.h> // Required for 16 MHz Adafruit Trinket
#endif

#define PIN_NEO_PIXEL  6   // Arduino pin that connects to NeoPixel
#define NUM_PIXELS     1  // The number of LEDs (pixels) on NeoPixel

Adafruit_NeoPixel NeoPixel(NUM_PIXELS, PIN_NEO_PIXEL, NEO_GRB + NEO_KHZ800);

int DELAY_INTERVAL = 500;
int DELAY_1 = 5;
int DELAY_2 = 250;

void setup() {
  NeoPixel.begin(); // INITIALIZE NeoPixel strip object (REQUIRED)
}

void loop() {
    NeoPixel.setPixelColor(0, NeoPixel.Color(255, 0, 0)); // it only takes effect if pixels.show() is called
    NeoPixel.show();   // send the updated pixel colors to the NeoPixel hardware.

//    delay(50); // pause between each pixel


//    delay(DELAY_INTERVAL);

    for (int fade = 255; fade > 0; fade--) {
          NeoPixel.setPixelColor(0, NeoPixel.Color(fade, 255 - fade, 0));
          NeoPixel.show(); 
          delay(DELAY_1);
    }

    for (int fade = 255; fade > 0; fade--) {
          NeoPixel.setPixelColor(0, NeoPixel.Color(0, fade, 255 - fade));
          NeoPixel.show(); 
          delay(DELAY_1);
    }

    for (int fade = 255; fade > 0; fade--) {
          NeoPixel.setPixelColor(0, NeoPixel.Color(255 - fade, 0, fade));
          NeoPixel.show(); 
          delay(DELAY_1);
    }





}