#include <FastLED.h> 
   #define NUM_LEDS 10 
 #define LED_PIN 2 
   CRGB leds[NUM_LEDS]; 
   void setup() { 
 FastLED.addLeds<WS2812B, LED_PIN, GRB>(leds, NUM_LEDS); 
 FastLED.setBrightness(50); 
   Serial.begin(57600); 
 } 
   void loop() { 
   uint8_t sinBeat = beatsin8(30, 0, NUM_LEDS - 1, 0, 0); 
 uint8_t sinBeat2 = beatsin8(30, 0, NUM_LEDS - 1, 0, 85); 
 uint8_t sinBeat3 = beatsin8(30, 0, NUM_LEDS - 1, 0, 170); 
   // If you notice that your pattern is missing out certain LEDs, you 
 // will need to use the higher resolution beatsin16 instead. In this 
 // case remove the 3 lines above and replace them with the following: 
 // uint16_t sinBeat = beatsin16(30, 0, NUM_LEDS - 1, 0, 0); 
 // uint16_t sinBeat2 = beatsin16(30, 0, NUM_LEDS - 1, 0, 21845); 
 // uint16_t sinBeat3 = beatsin16(30, 0, NUM_LEDS - 1, 0, 43690); 
   leds[sinBeat] = CRGB::Green; 
 leds[sinBeat2] = CRGB::Blue; 
 leds[sinBeat3] = CRGB::Red; 
   EVERY_N_MILLISECONDS(1){ 
 for(int i = 0; i < 4; i++) { 
 blur1d(leds, NUM_LEDS, 50); 
 } 
 } 
   //fadeToBlackBy(leds, NUM_LEDS, 10); 
   FastLED.show(); 
 }