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1st MQTT message not published
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1st MQTT message not published

by IoTAll on Mon Apr 26, 2021 8:40 am


I see a strange behaviour on the mqtt_winc1500 example from Adafruit MQTT library.

The example works fine as is, and I tried to modify it a little so that I only publish, not subscribe.

I see that if I comment out the line
Code: Select all | TOGGLE FULL SIZE
in the Setup of the sketch, then the first message is not published, even though the connection to the MQTT broker is fine. The following messages are published ok.

If I leave this line, it works good from the first message.

Is this line important even if I don't want to subscribe?

Thank you!

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Joined: Wed May 31, 2017 6:34 pm

Re: 1st MQTT message not published

by Jamicorn on Wed Apr 28, 2021 8:47 am

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Joined: Wed Apr 28, 2021 8:46 am

Please be positive and constructive with your questions and comments.