#include <FastLED.h>
#define NUM_LEDS 9
#define DATA_PIN 13
CRGB leds[NUM_LEDS];

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

void loop() {
  static uint8_t hue = 0;
  fill_solid(leds, NUM_LEDS, CHSV(hue, 255, 255));
    FastLED.show();
    delay(50);
    hue += 5;
}