#include <Adafruit_NeoPixel.h>

#define PIN_WS2812B 2
#define NUM_PIXELS 6

Adafruit_NeoPixel WS2812B(NUM_PIXELS, PIN_WS2812B, NEO_GRB + NEO_KHZ800);

void setup() {
  // put your setup code here, to run once:
WS2812B.begin();
Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
WS2812B.clear();
WS2812B.show();
delay(1000);

for (int pixel = 0; pixel < NUM_PIXELS; pixel++) {
  WS2812B.setPixelColor(pixel,WS2812B.Color(0,255,0));
  WS2812B.show();

  delay(500);
  WS2812B.setPixelColor(pixel,WS2812B.Color(207,80,47));
  WS2812B.show();

  delay(500);
}

for (int pixel = 0; pixel < NUM_PIXELS; pixel++) {           // for each pixel
    WS2812B.setPixelColor(pixel, WS2812B.Color(255, 0, 0));  // it only takes effect if pixels.show() is called
  }
  WS2812B.show();  // send the updated pixel colors to the WS2812B hardware.
  delay(2000);     // on time

for (int pixel = NUM_PIXELS; pixel >=0; pixel--) {           // for each pixel
    WS2812B.setPixelColor(pixel, WS2812B.Color(66, 148, 183));  // it only takes effect if pixels.show() is called
  
  WS2812B.show();  // send the updated pixel colors to the WS2812B hardware.
  delay(500);     // on time
}
for (int pixel =0; pixel <255; pixel++){
 // Serial.println(pixel);
  WS2812B.setPixelColor(4, WS2812B.Color(pixel, 255-pixel, pixel));  // it only takes effect if pixels.show() is called
  WS2812B.show();
  delay(150);
}
WS2812B.clear(); // set all pixel colors to 'off'
WS2812B.show();
delay(1500);
  }