Janice's Goggles

goggles.ino

#include <Adafruit_NeoPixel.h>

#define PIN 1

Adafruit_NeoPixel pixels = Adafruit_NeoPixel(32, PIN);

uint32_t colors[] = {
  0xdf151a,
  0xfd8603,
  0xf4f328,
  0x00da3c,
  0x00cbe7,
  0xaa00ff,
  0xff00aa,
  0x00ff00
};
uint8_t num_colors = sizeof(colors)/sizeof(uint32_t);

void setup() {
  pixels.begin();
  pixels.setBrightness(85); // 1/3 brightness
}

#define ON_COUNT 3
void loop() {
  uint8_t index[ON_COUNT];
  for(int i=0; i<ON_COUNT; i++) {
    index[i] = random(32);
    uint8_t c = random(num_colors);
    pixels.setPixelColor(index[i], colors[c]);
  }
  pixels.show();
  delay(30);
  for(int i=0; i<ON_COUNT; i++)
    pixels.setPixelColor(index[i], 0);
}