#include <Adafruit_NeoPixel.h>
#define LED_PIN 15
#define LED_COUNT 3

Adafruit_NeoPixel strip(LED_COUNT, LED_PIN);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  strip.begin();
  strip.show();

}

void loop() {
  // put your main code here, to run repeatedly:
  strip.setPixelColor(0, 255, 0, 0);
  strip.setPixelColor(1, 0, 255, 0);
  strip.setPixelColor(2, 0, 0, 255);
  strip.show();
}