Color Clock for Arduino

color_clock.ino

#include <Wire.h>
#include "RTClib.h"
#include <Adafruit_NeoPixel.h>
#define PIN 5
#define NUMPIXELS 8

RTC_Millis rtc;
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
int second;
DateTime now;

void setup() {
  pixels.begin();
  rtc.begin(DateTime(F(__DATE__), F(__TIME__)));
}

void loop() {
  now = rtc.now();
  if (second != now.second()) {
    second = now.second();
    updateLED();
  }
}

void updateLED() {
  now = rtc.now();
  float red = ((float) now.hour() / 24) * 255;
  float green = ((float) now.minute() / 60) * 255;
  float blue = ((float) now.second() / 60) * 255;

  Bean.setLed(red, green, blue);

  for (int i=0; i < NUMPIXELS; i++) {
    pixels.setPixelColor(i, pixels.Color(red, green, blue));
    pixels.show();
  }
}