#include <Adafruit_NeoPixel.h>

#define PIN D2
#define NUMPIXELS 1

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

void setup()
{
  Serial.begin(9600);
  delay(250);
  Serial.println("PIXEL");
  
  pixels.begin(); // This initializes the NeoPixel library.
}

void loop()
{
//  pixels.setBrightness(20); //die Helligkeit setzen 0 dunkel -> 255 ganz hell
//  pixels.setPixelColor(0, pixels.Color(255, 255, 255));
//  pixels.show();
//  delay(1000);
//
//  pixels.setBrightness(80); //die Helligkeit setzen 0 dunkel -> 255 ganz hell
//  pixels.setPixelColor(0, pixels.Color(255, 255, 255));
//  pixels.show();
//  delay(1000);
//
//  pixels.setPixelColor(0, pixels.Color(226, 0, 200));
//  for (int i = 1; i <= 250; i++) {
//    pixels.setBrightness(i);
//    pixels.show();
//    delay(20);
//  }

  pixels.setBrightness(10);
  for (int hsv = 0; hsv < 65535; hsv++) {
    pixels.setPixelColor(0, pixels.gamma32(pixels.ColorHSV(hsv)));
    pixels.show();
    delay(1);
  }

  
//  // pixels.Color takes RGB values, from 0,0,0 up to 255,255,255
//  for (int i = 0; i < 2; i++) {
//    for (int j = 0; j < 2; j++) {
//      for (int k = 0; k < 2; k++) {
//        pixels.setPixelColor(0, pixels.Color(i * 255, j * 255, k * 255)); // Moderately bright green color.
//        pixels.show(); // This sends the updated pixel color to the hardware.
//        delay(200); // Delay for a period of time (in milliseconds).
//      }
//    }
//  }
}