Chasing Led

This is an Arduino project that drives a WS2812B Addressable LED panel with the push a the button. The lights cascades from clockwise to counter clockwise on the circle or snakes its way from one side to the other on the square. you can use a strip if you prefer

https://youtube.com/shorts/yc9sM284M7A?feature=share

Supplies

Addressable LED, this project is designed for 16 but can be added easily by changing the number values

One 240 Ohms resistor and heat shrink tubing

One or two three pin male to female cable/s

One three pin female to female cable

Two pushbutton Switches, I used a 8 button

One 3 pin connector

Step 1:

First cut and strip back the insulation on of the three pin wires that will be the data line on the female to female cable. Solder the resistor between the two wire segments. When cool use the heat shrink tubing with a heat source to reinforce the cable. My Arduino bord has ground 5V and Signal in a nice 3 rows. They are indicated by ground / black, red/ 5v and signal / yellow. You may but its is more likely will need to connect pin 9 and 240 Ohms resistor wire, ground and 5v with single wire cables individually.

Step 2:

Break off 3 pins from your strip if needed and solder so that the 5V pin is in the center if posable. This will prevent accidental shorting of your 5V to ground. Data line shorted to ground dose no harm.

Step 3:

Attach the ground pin to the ground with the other two pins connecting to pin 13 and 12 to the pushbutton switch ground and the two pins closest to the ground

Step 4:

// Copy the folowing code to a new Arduino Sketch

// video link https://youtube.com/shorts/yc9sM284M7A?feature=share

#include "FastLED.h"    // This is the Fastled library to control the LEDs (installed it on your PC)

int x =0;

int y =0;

int z =0;

int caseVar = 0; // picks the case for switch command

char(colour);

// constants won't change. They're used here to set pin numbers:

const int buttonPin1 = 12;   // the number of the pushbutton pin

const int buttonPin2 = 13;   // the number of the pushbutton pin

#define NUM_LEDS 16      // defines led array

#define DATA_PIN 9      // defines data pin

CRGB leds[NUM_LEDS];

 int ledNum = 0;

// variables will change:

int buttonState1 = 0;     // variable for reading the pushbutton status

int buttonState2 = 0; 

void setup() {

 delay(2000);       // safety measure to help if Arduino brown outs

 // initialize the pushbutton pin as an input:

 pinMode(buttonPin1, INPUT_PULLUP);

 pinMode(buttonPin2, INPUT_PULLUP);

 FastLED.addLeds<WS2811, DATA_PIN, GRB>(leds, NUM_LEDS); // sets up FastLED function

 Serial.begin(9600);

}

void loop() {

 // read the state of the pushbutton value:

 buttonState1 = digitalRead(buttonPin1);

 buttonState2 = digitalRead(buttonPin2);

// buttonState3 = digitalRead(buttonPin3);

 if (buttonState1 == HIGH){x=0;}else {x=1;}

 if (buttonState2 == HIGH){y=0;}else {y=2;}

 caseVar = x+y+z;

 switch (caseVar) {

 case 1:

  //do something when var equals 1

  ledChase();

  break;

 case 2:

  //do something when var equals 2

  ledChase1();

 default:

  // if nothing else matches, do the default

  // default is optional

  break;

} 

// Serial.println(caseVar);

delay (50);

}

void ledChase(){

  for( ledNum = 0; ledNum < NUM_LEDS; ledNum = ledNum + 1)

  { 

    leds[ledNum] = CRGB::DimGray;

    FastLED.show();

      delay(50); // change to increes or decrease speed

    leds[ledNum] = CRGB:: Black;

    FastLED.show();

   // leds[ledNum]=0;

  }    

}

void ledChase1(){  

    for( ledNum = 15; ledNum > -1; ledNum = ledNum - 1  )

    { 

    leds[ledNum] = CRGB:: Red; 

    FastLED.show();

      delay(50);

    leds[ledNum] = CRGB:: Black; 

    FastLED.show();

   // leds[ledNum]=15;

  }    

}

Step 5:

The list below is all the colors you can change the sketch to. Want a color instead of black just select the one you want and have fun

CRGB::AliceBlue  CRGB::Amethyst  CRGB::AntiqueWhite  CRGB::Aqua  CRGB::Aquamarine  CRGB::Azure 

CRGB::Beige  CRGB::Bisque  CRGB::Black  CRGB::BlanchedAlmond   CRGB::Blue   CRGB::BlueViolet  

CRGB::Brown  CRGB::BurlyWood  CRGB::CadetBlue  CRGB::Chartreuse  CRGB::Chocolate  CRGB::Coral 

CRGB::CornflowerBlue  CRGB::Cornsilk  CRGB::Crimson  CRGB::Cyan  CRGB::DarkBlue  CRGB::DarkCyan  

CRGB::DarkGoldenrod  CRGB::DarkGray   CRGB::DarkGreen  CRGB::DarkKhaki  CRGB::DarkMagenta 

CRGB::DarkOliveGreen  CRGB::DarkOrange  CRGB::DarkOrchid  CRGB::DarkRed  CRGB::DarkSalmon 

CRGB::DarkSeaGreen  CRGB::DarkSlateBlue  CRGB::DarkSlateGray  CRGB::DarkTurquoise  CRGB::DarkViolet  

CRGB::DeepPink  CRGB::DeepSkyBlue  CRGB::DimGray  CRGB::DodgerBlue   CRGB::FireBrick  CRGB::FloralWhite 

CRGB::ForestGreen  CRGB::Fuchsia  CRGB::Gainsboro  CRGB::GhostWhite  CRGB::Gold  CRGB::Goldenrod 

CRGB::Gray  CRGB::Green  CRGB::GreenYellow  CRGB::Honeydew  CRGB::HotPink  CRGB::IndianRed 

CRGB::Indigo  CRGB::Ivory  CRGB::Khaki  CRGB::Lavender  CRGB::LavenderBlush  CRGB::LawnGreen 

CRGB::LemonChiffon  CRGB::LightBlue  CRGB::LightCoral  CRGB::LightCyan  CRGB::LightGoldenrodYellow  

CRGB::LightGreen  CRGB::LightGrey  CRGB::LightPink  CRGB::LightSalmon  CRGB::LightSeaGreen 

CRGB::LightSkyBlue  CRGB::LightSlateGray  CRGB::LightSteelBlue  CRGB::LightYellow  CRGB::Lime  

CRGB::LimeGreen  CRGB::Linen  CRGB::Magenta  CRGB::Maroon  CRGB::MediumAquamarine  

CRGB::MediumBlue  CRGB::MediumOrchid   CRGB::MediumPurple  CRGB::MediumSeaGreen  

CRGB::MediumSlateBlue  CRGB::MediumSpringGreen CRGB::MediumTurquoise CRGB::MediumVioletRed 

CRGB::MidnightBlue  CRGB::MintCream  CRGB::MistyRose  CRGB::Moccasin  CRGB::NavajoWhite 

CRGB::Navy  CRGB::OldLace  CRGB::Olive  CRGB::OliveDrab  CRGB::Orange  CRGB::OrangeRed 

CRGB::Orchid  CRGB::PaleGoldenrod CRGB::PaleGreen  CRGB::PaleTurquoise  CRGB::PaleVioletRed 

CRGB::PapayaWhip  CRGB::PeachPuff  CRGB::Peru  CRGB::Pink  CRGB::Plaid  CRGB::Plum  

CRGB::PowderBlue  CRGB::Purple  CRGB::Red  CRGB::RosyBrown  CRGB::RoyalBlue  CRGB::SaddleBrown 

CRGB::Salmon  CRGB::SandyBrown  CRGB::SeaGreen  CRGB::Seashell  CRGB::Sienna  CRGB::Silver  

CRGB::SkyBlue  CRGB::SlateBlue  CRGB::SlateGray  CRGB::Snow  CRGB::SpringGreen  CRGB::SteelBlue 

CRGB::Tan  CRGB::Teal  CRGB::Thistle  CRGB::Tomato  CRGB::Turquoise  CRGB::Violet  CRGB::Wheat 

CRGB::White  CRGB::WhiteSmoke  CRGB::Yellow  CRGB::YellowGreen