#include <FastLED.h>

#define LED_PIN    4
#define LED_COUNT  4

CRGB leds[LED_COUNT];

void setup() {
  FastLED.addLeds<WS2812B, LED_PIN, GRB>(leds, LED_COUNT);
}

void loop() {
  // Set all Neopixels to red color
  fill_solid(leds, LED_COUNT, CRGB::Red);
  FastLED.show(); // Update the Neopixels with the new colors
  
  delay(1000); // Wait for 1 second
}