power down ESP about espduino HOT 2 CLOSED

void setup() {
  Serial.begin(19200);
  debugPort.begin(19200);
  esp.enable();
  delay(500);
  esp.reset();
  delay(500);
  while(!esp.ready());

  debugPort.println("ARDUINO: setup mqtt client");
  if(!mqtt.begin("DVES_duino", "admin", "Isb_C4OGD4c3", 120, 1)) {
    debugPort.println("ARDUINO: fail to setup mqtt");
    while(1);
  }


  debugPort.println("ARDUINO: setup mqtt lwt");
  mqtt.lwt("/lwt", "offline", 0, 0); //or mqtt.lwt("/lwt", "offline");

/*setup mqtt events */
  mqtt.connectedCb.attach(&mqttConnected);
  mqtt.disconnectedCb.attach(&mqttDisconnected);
  mqtt.publishedCb.attach(&mqttPublished);
  mqtt.dataCb.attach(&mqttData);

  /*setup wifi*/
  debugPort.println("ARDUINO: setup wifi");
  esp.wifiCb.attach(&wifiCb);

  esp.wifiConnect("DVES_HOME","wifipassword");


  debugPort.println("ARDUINO: system started");
}