#include <FastLED.h>

#define NUM_LEDS 1

#define DATA_PIN 4

CRGB leds[NUM_LEDS];

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  FastLED.addLeds<WS2812, DATA_PIN, RGB>(leds, NUM_LEDS);
  Serial.println("Hello, ESP32-C3!");
}

void loop() {
  leds[0] = CRGB::Red;
  FastLED.show();
  delay(500);
  // Now turn the LED off, then pause
  leds[0] = CRGB::Green;
  FastLED.show();
  delay(500);
}