Arduino: Blinking LED Strip

BlinkRGBStrip

#include "FastLED.h"

// How many leds in your strip?
#define NUM_LEDS 50

// For led chips like Neopixels, which have a data line, ground, and power, you just
// need to define DATA_PIN. 
#define DATA_PIN 3

// Define the array of leds
CRGB leds[NUM_LEDS];

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

//fill whole stripe with one color
void wholecolor(CRGB col) {
  for (int i=0;i<NUM_LEDS;i++) {
  leds[i] = col;
  }  
  FastLED.show();
}

//Turn it off
void off() {wholecolor(CRGB::Black);}

// Run 5 lights in segments by 10
void run5(CRGB col, int speed=200) {
  for (int i=0;i<10;i++) {
    leds[i] = col;
    leds[i+10] = col;
    leds[i+20] = col;
    leds[i+30] = col;
    leds[i+40] = col;

    leds[i+9] = CRGB::Black;
    leds[i+19] = CRGB::Black;
    leds[i+29] = CRGB::Black;
    leds[i+39] = CRGB::Black;

    if (i>0) {
      leds[i-1] = CRGB::Black;
    } else {
      leds[49] = CRGB::Black;
    }
  FastLED.show();
  delay(speed);
  }
}

uint8_t r=255,g=255,b=255;

void loop() { 

//effect1
/*
  for (int i=0;i<NUM_LEDS;i++) {
  leds[i] = CRGB::Red;
  if (i>0) {leds[i-1] = CRGB::Black;}
  else {leds[NUM_LEDS-1] = CRGB::Black;}
  FastLED.show();
  delay(50);
  }
  */

//Effect 2
  /*
  for (int i=0;i<NUM_LEDS;i++) {
  leds[i] = col1;
  if (i>0) {leds[i-1] = CRGB::Black;}
  else {leds[NUM_LEDS-1] = CRGB::Black;}

  leds[NUM_LEDS-i-1] = col2;
  if (i<49) {leds[NUM_LEDS-i] = CRGB::Black;}
  else {leds[0] = CRGB::Black;}
  
  
  FastLED.show();
  delay(20);
  }
*/

wholecolor((CRGB)(b<<0 | g<<8 | r<<16));
  

delay(200);
  r = r - 5;
  if (r<10) r=255;

  b = b - 7;
  if (b<10) b=255;

  g = g - 3;
  if (g<10) g=255;



}