iot:tutorial:mqtt
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iot:tutorial:mqtt [2020/09/21 13:51] – Publisher/Subscriber edit atolstov | iot:tutorial:mqtt [2020/10/21 08:42] (current) – [MQTT Protocol] atolstov | ||
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===== MQTT Protocol ===== | ===== MQTT Protocol ===== | ||
MQTT today has become an intermediary in IoT communication. | MQTT today has become an intermediary in IoT communication. | ||
- | It is supported by integration controller WebHMI([[: | + | It is supported by integration controller WebHMI ([[: |
==== What is MQTT? ==== | ==== What is MQTT? ==== | ||
It is a lightweight, | It is a lightweight, | ||
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- | ===== WebHMI as MQTT Publisher/ | + | ===== WebHMI as MQTT Client (Publisher/ |
There is a possibility to create a WebHMI connection to subscribe or publish MQTT messages. | There is a possibility to create a WebHMI connection to subscribe or publish MQTT messages. | ||
This allows WebHMI register mapping with certain topics on any broker. So editing register value will trigger WebHMI to publish MQTT message and vice versa: if you have an active register, receiving the message from the broker will trigger changing the value. | This allows WebHMI register mapping with certain topics on any broker. So editing register value will trigger WebHMI to publish MQTT message and vice versa: if you have an active register, receiving the message from the broker will trigger changing the value. |
iot/tutorial/mqtt.1600696302.txt.gz · Last modified: 2020/09/21 13:51 by atolstov