// For Seeed XIAO ESP32-S3

#define LED_PIN 21   // User LED (orange) on XIAO ESP32-S3


void setup() {
  Serial.begin(115200);
  pinMode(LED_PIN, OUTPUT);
}

void loop() {
  Serial.println("Loop running...");
  digitalWrite(LED_PIN, LOW);
  delay(500);
  digitalWrite(LED_PIN, HIGH);
  delay(500);
}