Rainbow color wash demo sketch for Brian

BrianBasic.ino

#include <FastLED.h>

#define LED_PIN     3
#define LED_TYPE    WS2811
#define COLOR_ORDER RGB
#define COLOR_CORRECTION CRGB(255,172,240)

#define BRIGHTNESS  64

#define NUM_LEDS    100
CRGB leds[NUM_LEDS];


// setup gets called once
void setup() {
   // power-up sanity delay
  delay( 3000 );
  
  // tell FastLED about the LEDs
  FastLED.addLeds<LED_TYPE,LED_PIN,COLOR_ORDER>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip);
  
  // set master brightness control
  FastLED.setBrightness(BRIGHTNESS);
}


// loop is called repeatedly forever
void loop()
{
  // fill 'leds' array with a rainbow, starting at
  // a slightly different color each time, to create motion.
  static uint8_t startIndex = 0;
  startIndex = startIndex + 1; /* higher = faster motion */

  fill_rainbow( leds, NUM_LEDS, startIndex);

  // tell FastLED to send the 'leds' buffer out to the
  // actual LEDs
  FastLED.show();
  
  // insert a delay to keep the framerate modest (eg, 60 FPS).
  // delay takes milliseconds, to 1000/60 = about 60 FPS.
  FastLED.delay(1000 / 60);
}