Published in Journal of Industrial Engineering and Robotics, Volume 6, Number 3
Written by TUREAC Marius, SAVU Tom
Scientific coordinators:

We are going to talk about the MQTT protocol and how it sends data (values measured by sensors in converted to bytes format) from a publisher that is an ESP32 to different topics that are stored on a server then accessed by clients which subscribe to certain topics on the server. The word topic refers to an UTF-8 string that the server uses to filter messages for each connected client. Subscribers can use the topics to control other devices from distance.

[Read full article] [Citation]