实验程序四:MegunoLink音乐反应式24颗LED灯带
/*
【花雕动手做】有趣好玩的音乐可视化项目(11)---WS2812幻彩LED灯带
实验程序四:MegunoLink音乐反应式24颗LED灯带
*/
#include<FastLED.h>
#include<MegunoLink.h>
#include<Filter.h>
// define necessary parameters
#define N_PIXELS24
#define MIC_PIN A0
#define LED_PIN D6 // labeled "D6" on the board
// the following parameters can be tweaked according to your audio levels
#define NOISE 50
#define TOP (N_PIXELS+2) // allow the max level to be slightly off scale
#define LED_TYPEWS2811
#define BRIGHTNESS18 // a little dim for recording purposes
#define COLOR_ORDER GRB
// declare the LED array
CRGB leds;
// define the variables needed for the audio levels
int lvl = 0, minLvl = 0, maxLvl = 600; // tweak the min and max as needed
// instantiate the filter class for smoothing the raw audio signal
ExponentialFilter<long> ADCFilter(5,0);
void setup() {
// put your setup code here, to run once:
Serial.begin(115200);
// initialize the LED object
FastLED.addLeds<LED_TYPE,LED_PIN,COLOR_ORDER>(leds,N_PIXELS).setCorrection(TypicalLEDStrip);
FastLED.setBrightness(BRIGHTNESS);
}
void loop() {
// put your main code here, to run repeatedly:
// read the audio signal and filter it
int n, height;
n = analogRead(MIC_PIN);
// remove the MX9614 bias of 1.25VDC
n = abs(1023 - n);
// hard limit noise/hum
n = (n <= NOISE) ? 0 : abs(n - NOISE);
// apply the exponential filter to smooth the raw signal
ADCFilter.Filter(n);
lvl = ADCFilter.Current();
//// plot the raw versus filtered signals
//Serial.print(n);
//Serial.print(" ");
//Serial.println(lvl);
// calculate the number of pixels as a percentage of the range
// TO-DO: can be done dynamically by using a running average of min/max audio levels
height = TOP * (lvl - minLvl) / (long)(maxLvl - minLvl);
if(height < 0L) height = 0;
else if(height > TOP) height = TOP;
// turn the LEDs corresponding to the level on/off
for(uint8_t i = 0; i < N_PIXELS; i++) {
// turn off LEDs above the current level
if(i >= height) leds = CRGB(0,0,0);
// otherwise, turn them on!
else leds = Wheel( map( i, 0, N_PIXELS-1, 30, 150 ) );
}
FastLED.show();
}
CRGB Wheel(byte WheelPos) {
// return a color value based on an input value between 0 and 255
if(WheelPos < 85)
return CRGB(WheelPos * 3, 255 - WheelPos * 3, 0);
else if(WheelPos < 170) {
WheelPos -= 85;
return CRGB(255 - WheelPos * 3, 0, WheelPos * 3);
} else {
WheelPos -= 170;
return CRGB(0, WheelPos * 3, 255 - WheelPos * 3);
}
}
实验场景图动态图
实验的视频记录
https://v.youku.com/v_show/id_XNTg4NzE0NDMxNg==.html?spm=a2hcb.playlsit.page.1
https://v.youku.com/v_show/id_XNTg4NzE0NDMxNg==.html?spm=a2hcb.playlsit.page.1
【花雕动手做】看见声音,基于Arduino系列音乐可视器(1)---LED节奏灯
https://mc.dfrobot.com.cn/thread-311167-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(2)---OLED频谱灯
https://mc.dfrobot.com.cn/thread-311174-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(3)---RGB律动灯
https://mc.dfrobot.com.cn/thread-311183-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(4)---WS2812条灯
https://mc.dfrobot.com.cn/thread-311190-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(5)---WS2812柱跳灯
https://mc.dfrobot.com.cn/thread-311192-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(6)---点阵频谱灯
https://mc.dfrobot.com.cn/thread-311201-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(7)---大方格频谱灯
https://mc.dfrobot.com.cn/thread-311364-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(8)---四位32段点阵屏
https://mc.dfrobot.com.cn/thread-311490-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(9)---X Music Spectrum
https://mc.dfrobot.com.cn/thread-311627-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(10)---WS2812硬板屏
https://mc.dfrobot.com.cn/thread-311641-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(11)---WS2812幻彩灯带
https://mc.dfrobot.com.cn/thread-313648-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(12)---米管快速节奏灯
https://mc.dfrobot.com.cn/thread-313708-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(13)---有机棒立柱灯
https://mc.dfrobot.com.cn/thread-313723-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(14)---水杯水瓶灯
https://mc.dfrobot.com.cn/thread-313803-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(15)--横排LED方管灯
https://mc.dfrobot.com.cn/thread-313811-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(16)--热干胶棒棒灯
https://mc.dfrobot.com.cn/thread-313844-1-1.html
【花雕动手做】有趣好玩音乐可视化系列(17)--光导纤维灯
https://mc.dfrobot.com.cn/thread-313867-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(18)--LED平面板灯
https://mc.dfrobot.com.cn/thread-313951-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(19)--通体光纤灯
https://mc.dfrobot.com.cn/thread-313962-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(20)--首饰盒镜子灯
https://mc.dfrobot.com.cn/thread-313969-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(21)--CD 光盘灯
https://mc.dfrobot.com.cn/thread-313984-1-1.html
【花雕动手做】看见声音,基于Arduino系列音乐可视器(22)--LED无限魔方
https://mc.dfrobot.com.cn/thread-313994-1-1.html
【花雕动手做】有趣好玩的音乐可视化(23)--3合1闪点光纤
https://mc.dfrobot.com.cn/thread-314168-1-1.html
【花雕动手做】有趣好玩的音乐可视化(24)--无限LED镜子灯
https://mc.dfrobot.com.cn/thread-314180-1-1.html
【花雕动手做】有趣好玩音乐可视化(25)--水龙卷旋涡灯
https://mc.dfrobot.com.cn/thread-314231-1-1.html
【花雕动手做】有趣好玩音乐可视化系列(26)--LED 超立方体
https://mc.dfrobot.com.cn/thread-314244-1-1.html
【花雕动手做】有趣好玩的音乐可视化(27)--磁搅LED水旋灯
https://mc.dfrobot.com.cn/thread-314273-1-1.html
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