Neopixel

Codice:
#include <Adafruit_NeoPixel.h>
#define PIN 2   
#define NUMPIXELS      12
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
int delayval = 100;
int redColor = 0;
int greenColor = 0;
int blueColor = 0;
void setup() {
  pixels.begin();
}
void loop() {
  setColor();
  for (int i=0; i < NUMPIXELS; i++) {
        pixels.setPixelColor(i, pixels.Color(redColor, greenColor, blueColor));
      pixels.show();
     delay(delayval);
  }
}

void setColor(){
  redColor = random(0, 255);
  greenColor = random(0,255);
  blueColor = random(0, 255);
}