cylon_red

#include <FastLED.h>
#define NUM_LEDS 30
#define DATA_PIN 13
CRGB leds[NUM_LEDS];


void setup() {

      delay(2000);
      FastLED.addLeds<WS2812B, DATA_PIN, RGB>(leds, NUM_LEDS);
}

void loop() {
   for(int whiteLed = 0; whiteLed < NUM_LEDS; whiteLed = whiteLed + 1) {
      // Turn our current led on to white, then show the leds
      leds[whiteLed] = CRGB::Green;
      FastLED.show();
      delay(50);
      leds[whiteLed] = CRGB::Black;
   }
   for(int whiteLed = NUM_LEDS; whiteLed > 0; whiteLed = whiteLed - 1) {
      // Turn our current led on to white, then show the leds
      leds[whiteLed] = CRGB::Green;
      FastLED.show();
      delay(50);
      leds[whiteLed] = CRGB::Black;
   }
}