#include <Adafruit_NeoPixel.h>

#define LED_PIN 6
#define LED_COUNT 24

Adafruit_NeoPixel ring = Adafruit_NeoPixel(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  ring.begin();
  ring.show(); // Initialize all pixels to "off"
}

void loop() {
  // Set all LEDs to a different color
  for(int i = 0; i < LED_COUNT; i++) {
    ring.setPixelColor(i, ring.Color(random(256), random(256), random(256)));
  }
  ring.show(); // Display the new colors
  
  // Wait for 2 seconds
  delay(2000);
  
  // Turn off all LEDs
  for(int i = 0; i < LED_COUNT; i++) {
    ring.setPixelColor(i, 0);
  }
  ring.show(); // Turn off all LEDs
  
  // Wait for 2 seconds
  delay(1000);
}