Add Animated (Marquee) Lighting to Your Projects

/*
**********************************************************************
* Marquee lighting with Neopixels by ericBcreator
* simple script for lighting an (arcade) marquee
**********************************************************************
* last update 20181021 by ericBcreator
*
* Inspired by an article by sandyjmacdonald
* https://sandyjmacdonald.github.io/2015/12/02/picade-errata/
* 
* components: 
* - Neopixel strip
* - Arduino Nano
*
* This code is free for personal use, not for commercial purposes.
* Please leave this header intact.
*
* contact: ericBcreator@gmail.com
**********************************************************************
*/

//
// include the libraries
// 

#include <Adafruit_NeoPixel.h>

#define PIN 2																	// define the pin the strip is connected to

//
// setup variables and initialize the neopixel strip
// 

int numOfLeds = 11;														// the numbers of leds on the strip
int minBrightness = 80;												// the minimum brightness of the pulsing and flashing (0-255)
int maxBrightness = 255;											// the maximum brightness of the pulsing and flashing (0-255)
int walkingLedsDelay = 250;										// the delay in ms for the walking leds
int flashDelay = 250;													// the delay in ms for the flashing leds
int numOfFlashLoops = 3;											// the number of times the leds flash
int numOfPulseLoops = 10;											// the number of times the leds puls from min to max
int pulseDelay = 20;													// the delay in ms when pulsing from min to max and vice verse

Adafruit_NeoPixel strip = Adafruit_NeoPixel(numOfLeds, PIN);

//
// setup
// 

void setup() {
  strip.begin();
}

//
// main loop
// 

void loop() {
  walkingLeds();															// show the walking leds
  flashLeds();																// flash the leds
  
  for (int i = 0; i < numOfPulseLoops; i++)		// puls the leds
    pulseBrightness();
}

//
// functions
// 

void walkingLeds() {
  setLedColorsToZero();
  strip.setBrightness(maxBrightness);
  strip.show();
 
  for (int x = numOfLeds; x > 0; x--) {
    strip.setPixelColor(x, strip.Color(255, 255, 255));
    strip.show();
    delay(walkingLedsDelay );
    strip.setPixelColor(x, 0);
    strip.show();
  }  
}

void flashLeds() {
  setLedColors();

  for (int i = 0; i < numOfFlashLoops; i++) {
    strip.setBrightness(maxBrightness);
    strip.show();
    delay(flashDelay );

    strip.setBrightness(minBrightness);
    strip.show();
    delay(flashDelay );
  }
}

void pulseBrightness() {
  setLedColors();

  for (int i = minBrightness; i < maxBrightness; i++) {
    strip.setBrightness(i);
    strip.show();
    delay(pulseDelay);
  }

  for (int i = maxBrightness; i > minBrightness; i--) {
    strip.setBrightness(i);
    strip.show();
    delay(pulseDelay);
  }
}

void setLedColors() {
  for (int x = 0; x < numOfLeds; x++)
    strip.setPixelColor(x, strip.Color(255, 255, 255));
}

void setLedColorsToZero() {
  for (int x = 0; x < numOfLeds; x++)
    strip.setPixelColor(x, strip.Color(0, 0, 0));
}