/*【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）实验三十六：WS2812B智能外控集成LED四位彩灯模块（内置驱动IC）之一第一个实验：一只LED的呼吸灯*/#include <Adafruit_NeoPixel.h>#define PIN 6#define MAX_LED 1#define ADD true#define SUB falseint val = 0;boolean stat = ADD;Adafruit_NeoPixel strip = Adafruit_NeoPixel( MAX_LED, PIN, NEO_RGB + NEO_KHZ800 );void setup(){strip.begin();strip.show();}void loop(){uint32_t color = strip.Color(val, val, val);strip.setPixelColor(0, color);if(val>=235)stat = SUB;if(val<=0)stat = ADD;strip.show();delay(15);if(stat==SUB) val --;else if(stat==ADD) val++;}

/*【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）实验三十六：WS2812B智能外控集成LED四位彩灯模块（内置驱动IC）之二第二个实验：四只LED轮流全彩快闪*/#include <Adafruit_NeoPixel.h>#define PIN 6#define MAX_LED 4#define ADD true#define SUB falseint val = 0;boolean stat = ADD;Adafruit_NeoPixel strip = Adafruit_NeoPixel( MAX_LED, PIN, NEO_RGB + NEO_KHZ800 );void setup(){strip.begin();           strip.show();           }void loop(){uint8_t i,a=0;                                        uint32_t color = strip.Color(0, 100, 255);        while(a<10){for(i=0;i<9;i++){if(i==a) strip.setPixelColor(i, color);     else strip.setPixelColor(i, 0);             }strip.show();                                delay(30);                                   a++;                                         }}

/*【Arduino】108种传感器模块系列实验（资料+代码+图形+仿真）实验三十六：WS2812B智能外控集成LED四位彩灯模块（内置驱动IC）之三第三个实验：循序点亮四只绿色光LED*/#include <Adafruit_NeoPixel.h>#ifdef __AVR__#include <avr/power.h>#endif#define PIN            6#define NUMPIXELS      4Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);int delayval = 500; void setup() {#if defined (__AVR_ATtiny85__)if (F_CPU == 16000000) clock_prescale_set(clock_div_1);#endifpixels.begin(); }void loop() {for(int i=0;i<NUMPIXELS;i++){pixels.setPixelColor(i, pixels.Color(0,150,0)); pixels.show(); delay(delayval); }}