#include <Adafruit_NeoPixel.h>
#define LED_PIN 6
#define LED_COUNT 16
Adafruit_NeoPixel ring(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);

void setup() 
{
 ring.begin();
 ring.show();
 ring.setBrightness(255);
}

void loop() 
{
 colorWipe(ring.Color(255, 0, 0), 50); // Rot
 colorWipe(ring.Color( 0, 255, 0), 50); // Grün
 colorWipe(ring.Color( 0, 0, 255), 50); // Blau
 /* theaterChase(ring.Color(255, 255, 255), 50); // Weiß, halbe Helligkeit
 theaterChase(ring.Color(255, 0, 0), 50); // Rot, halbe Helligkeit
 theaterChase(ring.Color( 0, 0, 255), 50); // Blau, halbe Helligkeit
 rainbow(10); // Fließender Regenbogenzyklus entlang des gesamten Rings theaterChaseRainbow(50); 
 // Regenbogen-verstärktetheaterChase-Variante
*/
 // delay(1000);
}

void colorWipe(uint32_t color, int wait)
{ for(int i=0; i<ring.numPixels(); i++) 
 {
  ring.setPixelColor(i, color);
  ring.show();
  delay(1000);
 }
}

/*

void theaterChase(uint32_t color, int wait) 
{ 
 for(int a=0; a<10; a++) 
 {
  for(int b=0; b<3; b++) 
  {
   ring.clear();
   for(int c=b; c<ring.numPixels(); c += 3) 
   {
    ring.setPixelColor(c, color); // Pixel 'c' auf Wert 'color' setzen
   }
   ring.show();
   delay(wait);
  }
 }
}

void rainbow(int wait) 
{
 for(long firstPixelHue = 0; firstPixelHue < 5*65536; firstPixelHue += 256) 
 {
  for(int i=0; i<ring.numPixels(); i++) 
  {
   int pixelHue = firstPixelHue + (i * 65536L / ring.numPixels());
   ring.setPixelColor(i, ring.gamma32(ring.ColorHSV(pixelHue)));
  }
  ring.show();
  delay(wait);
 }
}

void theaterChaseRainbow(int wait) 
{
int firstPixelHue = 0; // Das erste Pixel beginnt bei Rot (Farbton 0)
for(int a=0; a<30; a++) 
 {
  for(int b=0; b<3; b++) 
  {
  ring.clear();
  for(int c=b; c<ring.numPixels(); c += 3) 
   {
    int hue = firstPixelHue + c * 65536L / ring.numPixels();
    uint32_t color = ring.gamma32(ring.ColorHSV(hue));
    ring.setPixelColor(c, color);
   }
   ring.show();
   delay(wait);
   firstPixelHue += 65536 / 90;
  }
 }
}
*/