Broker Mosquitto has group of topics in which he publishes various information about his work. By subscribing to these topics, we can find out, for example, what the number of subscribers are now, or how many messages have been published or received since the start of the server. At the beginning of the check the […]
While our broker is located inside the home network does not threaten us that someone is not authorized subscribe, or publish something in our topics, but when the server will be available outside the network we need some secure. It would not be good if someone would not be allowed to control the light in […]
In the previous article I described the basic of the MQTT communication protocol, now I will discuss the practical use of communication using the Mosquitto broker. Mosquitto is a lightweight broker that supports the MQTT protocol provided by the Eclipse Foundation under the EPL/EDL license. Installing a Broker The following method will install Mosquitto on […]
The project was created as a manifestation of total laziness, there is nothing worse than give up from the writing program to switch on light, or turn off in the morning. The target are simple, the possibility of switching on and off the lighting, and adjusting the brightness. In addition, the system must be invisible […]
The MQTT communication protocol is based on the publication and subscription pattern. Its main advantage is lightness, so it can be implemented in very small microprocessor systems, and at low data transmission. MQTT was created by Andy Stanford-Clark and Mihaelaanca Nippera in 1999 year. The MQTT protocol is a special application in the IoT industry. […]