Blynk combined with WS2812 ringled controlled via zeRGBa RGB controls on V1 and V2. Reset button on V0

gistfile1.txt

/**************************************************************
 * Blynk is a platform with iOS and Android apps to control
 * Arduino, Raspberry Pi and the likes over the Internet.
 * You can easily build graphic interfaces for all your
 * projects by simply dragging and dropping widgets.
 *
 *   Downloads, docs, tutorials: http://www.blynk.cc
 *   Blynk community:            http://community.blynk.cc
 *   Social networks:            http://www.fb.com/blynkapp
 *                               http://twitter.com/blynk_app
 *
 * Blynk library is licensed under MIT license
 * This example code is in public domain.
 *
 **************************************************************
 * This example runs directly on ESP8266 chip.
 *
 * You need to install this for ESP8266 development:
 *   https://github.com/esp8266/Arduino
 *
 * Please be sure to select the right ESP8266 module
 * in the Tools -> Board menu!
 *
 * Change WiFi ssid, pass, and Blynk auth token to run :)
 *
 **************************************************************/

#define BLYNK_PRINT Serial    // Comment this out to disable prints and save space
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>

#include <Adafruit_NeoPixel.h>

#define PIXEL_PIN    D2    // Digital IO pin connected to the NeoPixels.
#define PIXEL_COUNT 16

// Parameter 1 = number of pixels in strip,  neopixel stick has 8
// Parameter 2 = pin number (most are valid)
// Parameter 3 = pixel type flags, add together as needed:
//   NEO_RGB     Pixels are wired for RGB bitstream
//   NEO_GRB     Pixels are wired for GRB bitstream, correct for neopixel stick
//   NEO_KHZ400  400 KHz bitstream (e.g. FLORA pixels)
//   NEO_KHZ800  800 KHz bitstream (e.g. High Density LED strip), correct for neopixel stick
Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, NEO_GRB + NEO_KHZ800);


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

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "[wifi ssid here]";
char pass[] = "[wifi pass here]";

int i;

//Reset
BLYNK_WRITE(V0)
{
  for(int p=0;p<PIXEL_COUNT;p++)
  {
    strip.setPixelColor(p, strip.Color(0,0,0));
  }
  strip.show();
  i=0;
}

BLYNK_WRITE(V1)
{
  // strip.Color takes RGB values, from 0,0,0 up to 255,255,255
  strip.setPixelColor(i, strip.Color(param[0].asInt(),param[1].asInt(),param[2].asInt()));

  i++;
  if(i>PIXEL_COUNT) i=0;
  strip.show();
  
  // process received value
}

BLYNK_WRITE(V2)
{
  for(int i=0;i<PIXEL_COUNT;i++)
  {
    // pixels.Color takes RGB values, from 0,0,0 up to 255,255,255
    strip.setPixelColor(i, strip.Color(param[0].asInt(),param[1].asInt(),param[2].asInt()));
  }
  strip.show();
}


void setup()
{
  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
  i=0;
}

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