#include <FastLED.h>


#define LED_PIN     PB8 //DIN connect to pin B8
#define BRIGHTNESS  255
#define LED_TYPE    WS2812
#define COLOR_ORDER GRB
#define screeny    10 //number of leds
CRGB leds[screeny];
CRGBPalette16 currentPalette;
TBlendType    currentBlending;
#define UPDATES_PER_SECOND 5000
extern CRGBPalette16 myRedWhiteBluePalette;


long  maintime = millis();
int zeit1=0;
void setup(){

  delay(200);

FastLED.addLeds<LED_TYPE, LED_PIN, COLOR_ORDER>(leds, screeny).setCorrection( TypicalLEDStrip );
FastLED.setBrightness(  BRIGHTNESS );
currentPalette = RainbowColors_p;
currentBlending = BLEND;
}


void loop(){
regenbogen();
zeitreise();
}


int color2=0;
int color=0;
int speedz=0;
void regenbogen(void){
  color2+=speedz/10; // movingng one color other leds calculating with this
  color =color2;
for( int i = screeny; i > 0; i--) {
  color+=speedz*1.5; //space between new colors
 if (speedz > 50) { speedz = random(2,20);}
leds[i] = ColorFromPalette( currentPalette,255-color, BRIGHTNESS, currentBlending);
leds[screeny-i] = ColorFromPalette( currentPalette,255-color, BRIGHTNESS, currentBlending);
}
FastLED.show(); FastLED.delay(1000 / 2000); //updatespeed
   }

void zeitreise(void){
  while ((millis()- maintime) >=  10) {
   zeit1++;
   if(zeit1 > 30) { speedz++;zeit1 =0;}
  maintime = millis();
  }
}
//WS2812B testprog
//MEOW! its free use it or  parts if there is somethink usefull for you
//code by marderchen =^.^=