【花雕动手做】有趣好玩的音乐可视化系列小项目（19）--通体光纤灯 简单

/*
  【花雕动手做】有趣好玩的音乐可视化系列小项目（19）--通体光纤灯
  项目程序之一：绿色单灯循环测试
  模块接线：WS2812B接D6
  MAX4466      UNO
  VCC          5V
  GND         GND
  OUT          D7
*/

#include <Adafruit_NeoPixel.h>

#define PIN 6
#define MAX_LED 6

#define ADD true
#define SUB false

int 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(255, 100, 0);

  while (a < 7)
  {
    for (i = 0; i < 6; i++)
    {
      if (i == a) strip.setPixelColor(i, color);
      else strip.setPixelColor(i, 0);
    }
    strip.show();
    delay(100);
    a++;
  }
}

/*
  【花雕动手做】有趣好玩的音乐可视化系列小项目（19）--通体光纤灯
  项目程序之二：通体光纤灯简易流动变色测试
  模块接线：WS2812B接D6
  MAX4466      UNO
  VCC          5V
  GND         GND
  OUT          D7
*/

#include <FastLED.h>
#define LED_PIN     6
#define NUM_LEDS    4
CRGB leds[NUM_LEDS];

void setup() {
  FastLED.addLeds<WS2812, LED_PIN, GRB>(leds, NUM_LEDS);
}

void loop() {
  for (int i = 0; i <= 3; i++) {
    leds[i] = CRGB ( 0, 0, 255);
    FastLED.show();
    delay(200);
  }
  for (int i = 3; i >= 0; i--) {
    leds[i] = CRGB ( 255, 0, 0);
    FastLED.show();
    delay(200);
  }
  for (int i = 0; i <= 3; i++) {
    leds[i] = CRGB ( 0, 255, 0);
    FastLED.show();
    delay(200);
  }
}

/*
  【花雕动手做】有趣好玩的音乐可视化系列小项目（19）--通体光纤灯
  项目程序之三：FastLED音乐反应节奏灯
  模块接线：WS2812B接D6
  MAX4466      UNO
  VCC          5V
  GND         GND
  OUT          A0
*/

#include<FastLED.h>
#define LED_PIN 6
#define NUM_LEDS 4

CRGB leds[NUM_LEDS];
uint8_t hue = 0;
int soundsensor = A0;

void setup() {
  delay(3000);
  FastLED.setBrightness(255);
  pinMode(soundsensor, INPUT);
  FastLED.addLeds<WS2812B, LED_PIN, GRB>(leds, NUM_LEDS);
}

void loop() {
  int sensval = digitalRead(soundsensor);

  if (sensval == 1) {
    leds[0] = CRGB :: Red;
    fill_solid(leds, NUM_LEDS, CRGB :: Blue);
    rainbow_moving();
    FastLED.show();
    delay(100);
  }
  else {
    leds[0] = CRGB :: Black;
    fill_solid(leds, NUM_LEDS, CRGB :: Black);
    FastLED.show();
    delay(100);
  }
}

void rainbow_moving() {
  for (int i = 0; i < NUM_LEDS; i++) {
    leds[i] = CHSV(hue + (i * 10), 255, 255);
  }
  EVERY_N_MILLISECONDS(10) {
    hue++;
  }
}

/*
  【花雕动手做】有趣好玩的音乐可视化系列小项目（19）--通体光纤灯
  项目程序之四：通体光纤音乐反应灯
  模块接线：WS2812B接D6
  MAX4466      UNO
  VCC          5V
  GND         GND
  OUT          D7
*/

#define FASTLED_INTERRUPT_RETRY_COUNT 0
//#define FASTLED_ESP8266_RAW_PIN_ORDER

#include <FastLED.h>
#define NUM_LEDS 4
CRGB leds[NUM_LEDS];

const int ledPin = 6;
int sensorPin = 7;
boolean val = 0;

void setup() {
  pinMode(ledPin, OUTPUT);
  pinMode(sensorPin, INPUT);
  FastLED.addLeds<WS2812B, ledPin, RGB>(leds, NUM_LEDS);
}

void loop () {
  val = digitalRead(sensorPin);
  Serial.println (val);
  if (val == HIGH) {
    leds[0] = CRGB(250, 0, 0);
    FastLED.show();
    delay(8);
    leds[1] = CRGB(0, 250, 0);
    FastLED.show();
    delay(8);
    leds[2] = CRGB(0, 0, 250);
    FastLED.show();
    delay(8);
    leds[3] = CRGB(250, 0, 250);
    FastLED.show();
    delay(8);
  }
  else {
    leds[4] = CRGB(250, 20, 20);
    FastLED.show();
  }
  FastLED.clear();
}