randomly placed leds blue and white.

// arduino randomly placed leds blue and white.

#include <FastLED.h>

#define LED_PIN 6
#define NUM_LEDS 62
#define AUDIO_PIN A0

CRGB leds[NUM_LEDS];

void setup() {
  Serial.begin(9600);
  FastLED.addLeds<WS2812B, LED_PIN, GRB>(leds, NUM_LEDS);
  randomSeed(analogRead(0)); // Seed the random number generator with analogRead value
}

void loop() {
  int audioLevel = analogRead(AUDIO_PIN);

  int startPixel = random(NUM_LEDS); // Randomly determine the start pixel

  if (audioLevel < 450) {
    // No pixels light
    fill_solid(leds, NUM_LEDS, CRGB::Black);
  } else {
    int numPixels = map(audioLevel, 450, 1023, 0, NUM_LEDS);

    if (audioLevel >= 450 && audioLevel <= 550) {
      // Light blue
      fill_solid(leds, NUM_LEDS, CRGB::LightSkyBlue);
    } else if (audioLevel > 550 && audioLevel <= 650) {
      // Sky blue
      fill_solid(leds, startPixel, CRGB::Black);
      fill_solid(leds + startPixel, numPixels, CRGB::DeepSkyBlue);
      fill_solid(leds + startPixel + numPixels, NUM_LEDS - startPixel - numPixels, CRGB::Black);
    } else {
      // White
      fill_solid(leds, startPixel, CRGB::Black);
      fill_solid(leds + startPixel, numPixels, CRGB::White);
      fill_solid(leds + startPixel + numPixels, NUM_LEDS - startPixel - numPixels, CRGB::Black);
    }
  }

  FastLED.show();
  delay(50);  // Adjust the delay as needed
}