Neopixel

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

#define PIN 6 // NeoPixel Input Pin
#define NUMPIXELS 16 // Piexelanzahl des Ringes

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

void setup() {
  pixels.begin(); // This initializes the NeoPixel library.
}

void loop() {
  for (int i=0;i<16;i++){
    pixels.setPixelColor(i, pixels.Color(150,0,0)); 
    pixels.show(); 
    delay(50); 
    pixels.setPixelColor(i, pixels.Color(0,0,0)); 
    pixels.show(); 
  }
}