MQTT

MQTT subscribe component is used to read data from MQTT broker.

Node Definitions

In this section you can enter name and description of the component, MQTT broker's IP address, port and if exist username and password.

Output Ports

This part allows you to subscribe the topics (also including wilcards) and read data. You can read multiple data by adding ports and entering name, topic and Qos level for each port. Also, you can use Import/Export feature for lightweight way to add output ports.

Input Ports

Enable/Disable port allows you to read data only when you need it. The port value must be boolean (True or False for enable and disable respectively). By adding input ports you can forward input values as output values. Also, you can use Import/Export feature for lightweight way to add input ports.

System Ports

For more information read here