#include "FastLED.h"

#define NUM_LEDS 60
#define DATA_PIN 3
CRGB leds[NUM_LEDS];

uint8_t hue = 0;

void setup() {
  FastLED.addLeds<WS2812B, DATA_PIN, RGB>(leds, NUM_LEDS);
}

void loop() {
  EVERY_N_SECONDS(10) {
    hue++;
  }

  fill_solid(leds, NUM_LEDS, CHSV(hue, 255, 255));
  
  FastLED.show();
}