#define PIN_WS2812B  4   // ESP32 pin that connects to WS2812B
#define NUM_PIXELS     30  // The number of LEDs (pixels) on WS2812B

Adafruit_NeoPixel WS2812B(NUM_PIXELS, PIN_WS2812B, NEO_GRB + NEO_KHZ800);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32-S2!");
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}