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#include <Adafruit_NeoPixel.h>
#include <avr/power.h>
#ifdef __AVR__
#endif

#define PIN 6
#define NUMPIXELS 24 // Popular NeoPixel ring size

Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

#define DELAYVAL 100

void setup() {
#if defined(__AVR_ATtiny85__) && (F_CPU == 16000000)
clock_prescale_set(clock_div_1);
#endif

pixels.begin();
}

void loop() {
 while (1) {
  pixels.show();
	for(int i=0; i<NUMPIXELS; i++) {
		pixels.setPixelColor(i, pixels.Color(255, 0, 0));
		pixels.show();
		delay(DELAYVAL);
	}
	pixels.show();
	for(int i=23; i<NUMPIXELS; i--) {
		pixels.setPixelColor(i, pixels.Color(0, 0, 255));
		pixels.show();
		delay(DELAYVAL);
	}
 }
}