Arduino MQTT test

ArduinoMQTT.ino

#include <WiFi.h>
#include <PubSubClient.h>

const char* ssid = "******";
const char* password = "*******";
const char* mqttServer = "******";
const int mqttPort = 14314;
const char* mqttUser = "aidjmvrz";
const char* mqttPassword = "5ZQBhUygU0f0";

WiFiClient espClient;
PubSubClient client(espClient);

String toSend = "Hello from the other side";
char toSendf[30];

void setup() 
{
  Serial.begin(115200);
  WiFi.begin(ssid, password);
 
  while (WiFi.status() != WL_CONNECTED) {
   delay(500);
  Serial.println("Connecting to WiFi..");
  }
 
  Serial.println("Connected to the WiFi network");

  client.setServer(mqttServer, mqttPort);
  while (!client.connected()) {
    Serial.println("Connecting to MQTT...");
 
    if (client.connect("ESP32Client", mqttUser, mqttPassword )) {
 
      Serial.println("connected");  
 
    } else {
 
      Serial.print("failed with state ");
      Serial.print(client.state());
      delay(2000);
     }
}
    toSend.toCharArray(toSendf, 30);
    client.publish("esp/test", toSendf);

}

void loop() {
  client.loop();

}