#include <FastLED.h>

#define DATA_PIN 5
#define NUM_LEDS 16
#define BRIGHTNESS 255   /* Control the brightness of your leds */
#define SATURATION 255   /* Control the saturation of your leds */


CRGB leds[NUM_LEDS];

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello!");

  FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);  // GRB ordering is assumed
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
  for (int j = 0; j < 255; j++) {
    for (int i = 0; i < NUM_LEDS; i++) {
      leds[i] = CHSV(i - (j * 8), SATURATION, BRIGHTNESS); /* The higher the value 4 the less fade there is and vice versa */
    
    FastLED.show();
    delay(20); /* Change this to your hearts desire, the lower the value the faster your colors move (and vice versa) */
    }
  }
}