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+--- Thread: MQTT Broker and Client testing (/showthread.php?tid=5912)
MQTT Broker and Client testing - Domoticatorino - 05.03.2025
Dear all,
I am testing MQTT apps. I have a MQTT client which send a Json topic to LM Broker.
After that I set LM MQTT client app in order to read data sent received by. Topic name I use is the same I set on the MQTT client.
LM client app is correctly link to broker but how can I understand if data are received from broker?
I follow the script but there's a way, before setting the scripts, if data are correctly reveived by broker?
Thanks.
BR
RE: MQTT Broker and Client testing - Daniel - 05.03.2025
You can use MQTT explorer on PC to see every topic.
https://mqtt-explorer.com/
RE: MQTT Broker and Client testing - admin - 05.03.2025
What do you mean by correctly received? Broker does not validate the data in any way. It simply passes published data to all subscribers.
RE: MQTT Broker and Client testing - Erwin van der Zwart - 05.03.2025
You can also put log(payload) in the script in section, that way the received payload on the topic will be logged in the controller.
RE: MQTT Broker and Client testing - Domoticatorino - 05.03.2025
(05.03.2025, 17:08)admin Wrote: What do you mean by correctly received? Broker does not validate the data in any way. It simply passes published data to all subscribers.
Hi admin, yes I know that broker simply passes data but I though there was a way to log the publishing data sent by the client.
In any case with MQTT Explorer I was able to read the topics and payloads of the client so now I understand how it works.
Thanks a lot.