#include <FastLED.h>

#define LED_PIN     7           // GPIO 7 on ESP32-S3
#define LED_COUNT   1            // One WS2812 LED
#define LED_TYPE    WS2812       // LED chipset
#define COLOR_ORDER GRB          // Color order for WS2812
#define BRIGHTNESS  128          // Adjust as needed

CRGB leds[LED_COUNT];

void setup() {
  FastLED.addLeds<LED_TYPE, LED_PIN, COLOR_ORDER>(leds, LED_COUNT);
  FastLED.setBrightness(BRIGHTNESS);
}

void loop() {
  // Basic color cycle
  leds[0] = CRGB::Red;
  FastLED.show();
  delay(500);

  leds[0] = CRGB::Green;
  FastLED.show();
  delay(500);

  leds[0] = CRGB::Blue;
  FastLED.show();
  delay(500);

  // Rainbow fade
  for (int hue = 0; hue < 255; hue++) {
    leds[0] = CHSV(hue, 255, BRIGHTNESS);
    FastLED.show();
    delay(10);
  }
}