Broker MQTT Gratis

RosarIoT Broker MQTT es un servicio gratuito para I+D con Eclipse Mosquitto, un bróker de mensajes de código abierto que implementa las versiones 5.0, 3.1.1 y 3.1 del protocolo MQTT. 

Gratis sin TLS

  • Broker: mqtt.rosariot.com
  • Puerto: 1800
  • Persistencia: NO
  • Backups: NO

Gratis con TLS

  • Broker: mqtt.rosariot.com
  • Puerto: 8880
  • Certificado:  Descargar
  • Persistencia: NO
  • Backups: NO

Broker MQTT Free TLS


Broker MQTT Free


Broker MQTT Free TLS


Broker MQTT Free


Broker MQTT Free TLS





#include <ESP8266Wifi.h>
#include <PubSubClient.h>
const char *ssid = "ssid-wifi";
const char *pass = "password-wifi";
WiFiClientSecure wifi_client;
const char* mqtt_server = "mqtt.rosariot.com";
const int mqtt_port = 8880;
const char* mqtt_fingerprint = "42:EF:11:A3:D2:3F:9C:43:8C:03:FC:B2:A1:21:13:73:AC:B1:77:26:1F:34:96:7D:DD:2A:CF:5B:A5:0E:86:F8";
//const char* mqtt_pass = "mqtt-user";
//const char* mqtt_user = "mqtt-pass";
PubSubClient mqtt_client(mqtt_server, mqtt_port, wifi_client);
void setup()
{
  Serial.begin(115200);
  delay(100);
  Serial.println("Connecting to ");
  Serial.println(ssid);
  WiFi.begin(ssid, pass);
  while (WiFi.status() != WL_CONNECTED) {
   	 delay(500);
   	 Serial.print(".");
	 }
  Serial.println("");
  Serial.println("WiFi connected");
  wifi_client.setFingerprint(mqtt_fingerprint);
}
void loop()
{
  wifi_client.connect(mqtt_server,mqtt_port);  					 //CONNETION TCP/IP TO SERVER
  if(wifi_client.verify(mqtt_server,mqtt_fingerprint)) {  			 //VERIFICATION TLS
   	 Serial.println("SECURE TLS OK");
   	 wifi_client.stop();
   	 if(mqtt_client.connect(“mqtt_id”)) {  		 //CONNETION TO MQTT BROKER
   		 Serial.println("MQTTS OK");
//-----------------------YOUR CODE------------------------------//
   	 } else {
                wifi_client.stop();
   	         Serial.print(" --> ERROR WHEN TRYING CONNECT TO BROKER MQTT, "); Serial.print("rc= "); Serial.println(mqtt_client.state()); 
   	 }
  } else {
          wifi_client.stop();
   	   Serial.println(" --> ERROR SECURE TLS");
  }
  delay(5000);
}
Arduino IDE 
#include <ESP8266Wifi.h>
#include <PubSubClient.h>
const char *ssid = "ssid-wifi";
const char *pass = "password-wifi";
WiFiClient wifi_client;
const char* mqtt_server = "mqtt.rosariot.com";
const int mqtt_port = 1880;
//const char* mqtt_pass = "mqtt-user";
//const char* mqtt_user = "mqtt-pass";
PubSubClient mqtt_client(mqtt_server, mqtt_port, wifi_client);
void setup()
{
  Serial.begin(115200);
  delay(100);
  Serial.println("Connecting to ");
  Serial.println(ssid);
  WiFi.begin(ssid, pass); //WOKWI WIFI SIMULATION --> WiFi.begin("Wokwi-GUEST","",6); 
  while (WiFi.status() != WL_CONNECTED) {
   	 delay(500);
   	 Serial.print(".");
	 }
  Serial.println("");
  Serial.println("WiFi connected");  
}
void loop()
{
  mqtt_client.connect(“mqtt_id”);    //CONNETION TCP/IP TO SERVER
  if(mqtt_client.connected()) {    //CONNETION TO MQTT BROKER
      Serial.println("MQTTS OK");
    //-----------------------YOUR CODE------------------------------//
      } else {
          wifi_client.stop();
          Serial.print(" --> ERROR WHEN TRYING CONNECT TO BROKER MQTT, "); 
          Serial.print("rc= "); Serial.println(mqtt_client.state()); 
      }  
  delay(5000);
}