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MQTT

Introduction
The MQTT Nodes provide a means for the user to perform several actions within the MQTT messaging protocol. MQTT, or Message Queuing Telemetry Transport, allows the communication among devices and is commonly used in IoT applications. To use the MQTT Nodes in Incari, the user needs to locate the MQTT Attributes in Project Settings and add a Connection.
MQTT Guideline
These are the guidelines for incorporating MQTT Communication into a Project to form an MQTT Client. It is important to note that an MQTT server, either local or remote, has to be already running for Incari to connect to it.
To properly start a connection, see the General Guideline on the Communications Introduction page.
Once the connection has been established, there are several Nodes that cover important functions of MQTT Communication.
​On MQTT Topic executes when an MQTT Message (for one of the specified Topics) is received.
​MQTT Publish sends an MQTT Message.
​MQTT Subscribe starts listening for an MQTT Topic.
To properly stop a connection, see the General Guideline on the Communications Introduction page.
Contents
​Events​
​On MQTT Start​
​On MQTT Stop​
​On MQTT Topic​
​MQTT Publish​
​MQTT Start​
​MQTT Stop​
​MQTT Subscribe​
External Links
​More information on MQTT on Wikipedia.
​An in-depth explanation and tutorials on MQTT.
​An in-depth explanation of Topics​

MAVLink Stop

Events

Last modified 6mo ago