#include <Adafruit_NeoPixel.h>

#define PIN 6 // Data pin for NeoPixels
#define NUMPIXELS 12 // Number of NeoPixels

Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  pixels.begin();
}

void loop() {
  flashWhite(1000); // Flash white for 1000 milliseconds (1 second)
  delay(2000); // Delay for 2 seconds before flashing again
}

void flashWhite(int duration) {
  unsigned long startTime = millis();

  while (millis() - startTime < duration) {
    pixels.fill(pixels.Color(255, 255, 255)); // White
    pixels.show();
    delay(1); // Very short delay for a fast flicker
    pixels.fill(pixels.Color(0, 0, 0)); // Off
    pixels.show();
    delay(1); // Very short delay for a fast flicker

  }
}