ESP8266 Community Forum

There are several DIY MQTT servers and they are free. My own favourite for the likes of Windows and Debian is MOSQUITTO which I have found to be 100% reliable over many, many months. If you want to play on Android - MQTT BROKER works - and in a couple of weeks hopefully will have two important features - username and password - and the ability to stay on regardless of what Android is doing. I run that and Node-Red on my phone for experimenting with.

Hi!!! Congratulations for this big project.

I test Basic Esp for create thermostat for my home, read temperature, humidity, external temperature, post to thing speaks and working all fine

All is very easy

Now I'm interested to put mqtt to this project, but have a question.

Is possible modify port in mqtt.setup("broker.mqttdashboard.com")? Need put this port, 19449

I created a Cloud mqtt broker in https://www.cloudmqtt.com/ (Is free for test and have up to 10 "users" for free account)
But this cloud mqtt broker fix a 19449 port

Thanks

You can use the following code

Where can find the document/help about MQTT? I could not find in language reference document of 2.0 and 3.0.