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標題: arduino的關于音律燈的源代碼 [打印本頁]

作者: wuhongLIN 時間: 2021-12-25 12:21
標題: arduino的關于音律燈的源代碼
#include <FastLED.h>

int sound_value;
#define NUM_LEDS 30  //燈珠數
#define LED_PIN 2
#define ANALOG_READ 35

CRGB leds[NUM_LEDS];

void setup(){
  Serial.begin(9600);
  FastLED.setBrightness(30);
  FastLED.addLeds<WS2812B, LED_PIN, RGB>(leds, NUM_LEDS);
}

void loop() {

sound_value = analogRead(ANALOG_READ);
if(sound_value > 2000 && sound_value < 2200){
for (int i = 0; i <= 10; i++)
leds[i] = CRGB(255, 0, 0);  //五分之一的燈珠綠光
for (int j = 11; j <= NUM_LEDS; j++)
leds[j] = CRGB(0, 0, 0);
FastLED.show();
delay(15);
}

if(sound_value > 2400 && sound_value < 2600){
for (int i = 0; i <= 18; i++)
leds[i] = CRGB(0, 0, 255);  //五分之二的燈珠藍光
for (int j = 19; j <= NUM_LEDS; j++)
leds[j] = CRGB(0, 0, 0);
FastLED.show();
delay(15);
}

if(sound_value > 2800 && sound_value < 3000){
for (int i = 0; i <= 26; i++)
leds[i] = CRGB(0, 125, 125);  //五分之三的燈珠紫光
for (int j = 27; j <= NUM_LEDS; j++)
leds[j] = CRGB(0, 0, 0);
FastLED.show();
delay(15);
}

if(sound_value > 3200 && sound_value < 3400){
for (int i = 0; i <= 34; i++)
leds[i] = CRGB(125, 125, 0);  //五分之四的燈珠黃光
for (int j = 35; j <= NUM_LEDS; j++)
leds[j] = CRGB(0, 0, 0);
FastLED.show();
delay(15);
}

if(sound_value > 3500){
for (int i = 0; i <= NUM_LEDS; i++)
leds[i] = CRGB(0, 255, 0);  //全部紅光
FastLED.show();
delay(5);
}
}

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