#include <FastLED.h>
#define NUM_LEDS 12
#define DATA_PIN 10    // we will figure this out during connection
CRGB leds[NUM_LEDS];
//-------------------------------------------------------------
void setup() {
  FastLED.addLeds<WS2812, DATA_PIN, RGB>(leds, NUM_LEDS);
}
//-------------------------------------------------------------
void loop() {
      leds[0] = CRGB::Blue;
      FastLED.show();
    delay(200);
      leds[1] = CRGB::Red;
      FastLED.show();
    delay(200);
     leds[2] = CRGB::Green;
      FastLED.show();
    delay(200);
}