NeoPixel Ring 16 LED Project Source Code Arduino Programing

NeoPixel ring 16 Led Pattern Arduino code

#include <Adafruit_NeoPixel.h>

#define PIN 2   // input pin Neopixel is attached to

#define NUMPIXELS      16 // number of neopixels in strip

Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

int delay_val = 50; // timing delay in milliseconds

int r = 100;
int g = 100;
int b = 0;



void setup() {
  // Initialize the NeoPixel library.
  Serial.begin(9600);
  pixels.begin();

}

void loop() {

  for (int i=0; i <3 ; i++){
    setColor();
  for (int j=0; j < NUMPIXELS; j++) {
    
    
    pixels.setPixelColor(j,r,g,b);

    // This sends the updated pixel color to the hardware.
    pixels.show();
     delay(delay_val); 
  }
    delay(delay_val); 
    // off the leds
    
    for (int k=0; k < NUMPIXELS; k++) {
    
    //pixels.setPixelColor(i, pixels.Color(redColor, greenColor, blueColor));
    
    pixels.setPixelColor(k,0,0,0); // off the leds

    // This sends the updated pixel color to the hardware.
    pixels.show();
    

    // Delay for a period of time (in milliseconds).
    delay(20); 
  }

    // Delay for a period of time (in milliseconds).
   // delay(delay_val); 
  }
  pattern1();
  delay(10);

  pattern2();
  delay(10);

  pattern3();
  delay(10);

  pattern4();
  }


// setColor()
// picks random values to set for RGB
void setColor(){
  r = random(0, 255);
  g = random(0,255);
  b = random(0, 255);
}



void pattern1() {
  setColor();
  for (int c = 0; c <= 13; c++) {
    pixels.setPixelColor(c,r,g,b);
    setColor();
    pixels.setPixelColor(c+1,r,g,b);
    setColor();
    pixels.setPixelColor(c+2,r,g,b);
    
    
    
    
    pixels.show();
    delay(100);
    
    
    pixels.setPixelColor(c,0,0,0);
    
    pixels.setPixelColor(c+1,0,0,0);
    pixels.setPixelColor(c+2,0,0,0);
    
    
    pixels.show();
 
      
  }
}

void pattern2() {
  setColor();
  for (int b = 0; b <= 12; b++) {
    pixels.setPixelColor(b,r,g,b);
    setColor();
    pixels.setPixelColor(b+1,r,g,b);
    setColor();
    pixels.setPixelColor(b+2,r,g,b);
    setColor();
    pixels.setPixelColor(b+3,r,g,b);
    
    
    
    pixels.show();
    delay(100);
    
    
    pixels.setPixelColor(b,0,0,0);
    
    pixels.setPixelColor(b+1,0,0,0);
    pixels.setPixelColor(b+2,0,0,0);
    pixels.setPixelColor(b+3,0,0,0);
    
    pixels.show();
 
      
  }
}
void pattern3() {
 
  setColor();
  for (int d = 0; d <= 11; d++) {
    pixels.setPixelColor(d,r,g,b);
    setColor();
    pixels.setPixelColor(d+1,r,g,b);
    setColor();
    pixels.setPixelColor(d+2,r,g,b);
    setColor();
    pixels.setPixelColor(d+3,r,g,b);
    
    setColor();
    pixels.setPixelColor(d+4,r,g,b);
    
    
    pixels.show();
    delay(100);
    
    
    pixels.setPixelColor(d,0,0,0);
    
    pixels.setPixelColor(d+1,0,0,0);
    pixels.setPixelColor(d+2,0,0,0);
    pixels.setPixelColor(d+3,0,0,0);
    pixels.setPixelColor(d+4,0,0,0);
    
    
    pixels.show();
 
      
  }
}




void pattern4() {
 
  setColor();
  for (int a = 0; a <= 10; a++) {
    pixels.setPixelColor(a,r,g,b);
    setColor();
    pixels.setPixelColor(a+1,r,g,b);
    setColor();
    pixels.setPixelColor(a+2,r,g,b);
    setColor();
    pixels.setPixelColor(a+3,r,g,b);
    
    setColor();
    pixels.setPixelColor(a+4,r,g,b);
    setColor();
    pixels.setPixelColor(a+5,r,g,b);
    
    pixels.show();
    delay(100);
    
    
    pixels.setPixelColor(a,0,0,0);
    
    pixels.setPixelColor(a+1,0,0,0);
    pixels.setPixelColor(a+2,0,0,0);
    pixels.setPixelColor(a+3,0,0,0);
    pixels.setPixelColor(a+4,0,0,0);
    pixels.setPixelColor(a+5,0,0,0);
    
    pixels.show();
 
      
  }
}