Created
May 21, 2019 15:59
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Arduino Sound LED Strip
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#include <FastLED.h> | |
#define AUDIO_PIN A0 | |
#define LEDST_PIN 5 | |
#define LED_TYPE WS2811 | |
#define BRIGHTNESS 100 | |
#define NUM_LEDS 60 | |
#define COLOR_ORDER GRB | |
#define UPDATES_PER_SECOND 100 | |
CRGB leds[NUM_LEDS]; | |
CRGBPalette16 colors; | |
CRGB randcolor; | |
int start = 0; | |
void setup() { | |
delay(3000); | |
Serial.begin(115200); | |
pinMode(5, INPUT); | |
pinMode(6, OUTPUT); | |
FastLED.addLeds<LED_TYPE, LEDST_PIN, COLOR_ORDER>(leds, NUM_LEDS).setCorrection( TypicalLEDStrip ); | |
FastLED.setBrightness( BRIGHTNESS ); | |
} | |
int maxread = 0; | |
CRGB lastread; | |
void loop() { | |
int reading = analogRead(AUDIO_PIN); | |
if (reading > 50) { | |
lastread = CHSV(reading, 255, reading%200+random8()%50); | |
} | |
if (reading > maxread) { | |
maxread = reading; | |
Serial.println(maxread); | |
} | |
for (int i = NUM_LEDS-1; i >= 1 ; i--) { | |
leds[i] = leds[i-1]; | |
} | |
leds[0] = lastread; | |
FastLED.show(); | |
FastLED.delay(1000 / UPDATES_PER_SECOND); | |
} |
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