elbear_arduino_bsp/libraries/NeoPixel/examples/simpleWithSerial/simpleWithSerial.ino

#include <NeoPixel.h>

#define PIN        2
#define NUMPIXELS  8

NeoPixel pixels(NUMPIXELS, PIN);

void setup() {
  // init Serial and pin for led control
  Serial.begin(9600);
  pixels.begin();  
  Serial.println("pixels.begin");
  delay(1000);
  // clear pixels and show
  pixels.clear();
  pixels.show();
  Serial.println("pixels.clear");
  delay(1000);
}

void loop() {  
  // sequentially set a new pixel color and show it
  for(int i=0; i<NUMPIXELS; i++) {
    pixels.setPixelColor(i, pixels.Color(0xff, 0x00, 0x00));
    pixels.show();
  }
  Serial.println("pixels.Color red");
  delay(1000);

  for(int i=0; i<NUMPIXELS; i++) {
    pixels.setPixelColor(i, pixels.Color(0x00, 0xff, 0x00));
    pixels.show();
  }
  Serial.println("pixels.Color green");
  delay(1000);

  for(int i=0; i<NUMPIXELS; i++) {
    pixels.setPixelColor(i, pixels.Color(0x00, 0x00, 0xff));
    pixels.show();
  }
  Serial.println("pixels.Color blue");
  delay(1000);

  for(int i=0; i<NUMPIXELS; i++) {
    pixels.setPixelColor(i, pixels.Color(0xff, 0xff, 0xff));
    pixels.show();
  }
  Serial.println("pixels.Color white");
  delay(1000);

  // clear leds
  pixels.clear();
  pixels.show();
  Serial.println("pixels.clear");
  delay(1000);
}