arduino-esp32/libraries/NetBIOS/examples/ESP_NBNST/ESP_NBNST.ino

#include <WiFi.h>
#include <NetBIOS.h>

const char* ssid = "............";
const char* password = "..............";

void setup() {
  Serial.begin(115200);

  // Connect to WiFi network
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  Serial.println("");

  // Wait for connection
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.print("Connected to ");
  Serial.println(ssid);
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());

  NBNS.begin("ESP");
}

void loop() {
  
}