Neopixel ring with Particle Photon via Blynk

rgbblynk.ino

#include <blynk.h>
#include <neopixel.h>

#define PIXEL_COUNT 24
#define PIXEL_PIN D6
#define PIXEL_TYPE WS2812B
#define BRIGHTNESS 60 // 50

Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);

// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = "xxxxxxxxxxxx";

void setup()
{
    Blynk.begin(auth);
    RGB.brightness(1);
    strip.setBrightness(BRIGHTNESS);
    strip.begin();
    strip.show();
}

BLYNK_WRITE(V1) //Helligkeit
{
    int h = param.asInt();
    strip.setBrightness(h);
    strip.show();
}


BLYNK_WRITE(V2) // Alle LEDs aus
{
  int button = param.asInt();
  for (int i=0; i<strip.numPixels(); i++) {
    strip.clear();
    }
    strip.show();
}

BLYNK_WRITE(V3) // Rainbow
{
  int button = param.asInt();
    for(int j=0; j<256; j++) {
    for(int i=0; i<strip.numPixels(); i++) {
      strip.setPixelColor(i, Wheel((i+j) & 255));
    }
    strip.show();
    //delay(600);
    Blynk_Delay(300);
    }
}


BLYNK_WRITE(V4) //Farbauswahl für alle LEDs
{
  int r = param[0].asInt(); // get a RED channel value
  int g = param[1].asInt(); // get a GREEN channel value
  int b = param[2].asInt(); // get a BLUE channel value
  for (int i = 0; i < strip.numPixels(); i++) {
    strip.setPixelColor(i, r, g, b);
  }
  strip.show();
}

void Blynk_Delay(int milli){
    int end = millis() + milli;
    while(millis() < end){
       Blynk.run();
    }
}

void loop()
{
  Blynk.run();
}

// Input a value 0 to 255 to get a color value.
// The colours are a transition r - g - b - back to r.
uint32_t Wheel(byte WheelPos) {
  if (WheelPos < 85) {
    return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
  } else if (WheelPos < 170) {
    WheelPos -= 85;
    return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
  } else {
    WheelPos -= 170;
    return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
  }
}

Picture of Blynk App