#include <Adafruit_NeoPixel.h>

Adafruit_NeoPixel kruh(20,6, NEO_GRB + NEO_KHZ800);

void setup() {
  // put your setup code here, to run once
  kruh.begin();
  
  
}

void loop() {
  // put your main code here, to run repeatedly:
  

  for(int i=0;i<=20;i++)
  {
    //kruh.clear();
    kruh.setPixelColor(i, kruh.Color(255,0,0));
    kruh.show();
    delay(10);
  }

  for(int i=0;i<=20;i++)
  {
    //kruh.clear();
    kruh.setPixelColor(i, kruh.Color(0,0,255));
    kruh.show();
    delay(10);
  }
  
}