#include <FastLED.h>

#define NUM_LEDS 512
#define DATA_PIN 4

CRGB leds[NUM_LEDS];

void setup() {
  FastLED.addLeds<WS2812, DATA_PIN, GRB>(leds, NUM_LEDS);  // Use GRB color order
  FastLED.setBrightness(50);  // Lower brightness to reduce power draw
}

void loop() {
  fill_solid(leds, NUM_LEDS, CRGB::Red);  // Set all LEDs to red
  FastLED.show();
  delay(500);  // Pause for half a second
}