#include <Adafruit_NeoPixel.h>

#define PIN 8  // Define the pin where the data line is connected to
#define NUMPIXELS 32  // Define the total number of pixels you're using

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

void setup() {
  strip.begin();  // Initialize the strip
  strip.show();   // Initialize all pixels to 'off'
}

void loop() {
  for(int i=0; i<strip.numPixels(); i++) {
    // Turn on the i-th pixel with a color (in this case, red)
    strip.setPixelColor(i, strip.Color(255,125 ,0));
    strip.show();  // Display the pixel color
    
    // Turn off the i-th pixel
    strip.setPixelColor(i, strip.Color(0,0,0));
    delay(30);  // Delay for a period of time (milliseconds) to see the 'chase' effect
  }
}