Random Individual NeoPixels, color, delay

Faerie_Twinkle.ino

/*
  Blink NeoPixels randomly: vary color and on/off timing
  by @GreenMoonArt
*/

#include <Adafruit_NeoPixel.h>

#define PIN 6
#define numPIXELS 8
#define numCOLORS 7

Adafruit_NeoPixel strip = Adafruit_NeoPixel(numPIXELS, PIN, NEO_GRB + NEO_KHZ800);


void setup() {
  randomSeed(analogRead(A5));  //use an unconnected analog input
  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
}

//choose any colors you like - be sure to update numCOLORS accordingly
uint32_t colorArray[numCOLORS] = {strip.Color(91, 204, 222), 
                                  strip.Color(200, 204, 22), 
                                  strip.Color(191, 100, 75), 
                                  strip.Color(200, 200, 200), 
                                  strip.Color(220, 75, 35),
                                  strip.Color(220, 220, 35),
                                  strip.Color(240, 15, 10)
                                };

uint32_t offColor = strip.Color(0, 0, 0);

void loop() {

  int randomPixel = random(0, numPIXELS);
  int randomOnDelay = random(200, 2500);
  int randomOffDelay = random(2000, 5000);
  int randomColor = random(0, numCOLORS);


  strip.setPixelColor(randomPixel, colorArray[randomColor]);
  strip.show();

  delay(randomOnDelay);

  strip.setPixelColor(randomPixel, offColor);
  strip.show();

  delay(randomOffDelay);

}