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kandi X-RAY | iot.eclipse.org Summary
kandi X-RAY | iot.eclipse.org Summary
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QUESTION
I have the following code that prints to my serial console in mongoose os. I can see the device in amazon aws, and in mdash as online. I get back a 0 from the pub and it never sends a message to aws mqtt I have subscribed to the topic in the test seciton in mqtt so not sure what I am doing wrong
...ANSWER
Answered 2020-Nov-11 at 00:17Ok it is working again, I needed to delete the device in amazon, and run the mos aws setup command again.
So the real problem was I was flashing my device each time I updated my code and it would overwrite my wifi settings, my aws settings and my mdash settings.
Thanks to help from a different source this solved it for me
QUESTION
I'm struggling to make a code that I found work.
The problem is that the functions defined inside the constructor return undefined
, so when trying to assign them when events happen, the following error appears:
Invalid type undefined for OnConnect
A mininal example is the following (full code at the end of the question)
...ANSWER
Answered 2020-Aug-18 at 14:26As stated in the comments: Your first example differs from the seconds as that in the first, you are creating the onConnect function within the constructor itself and in the second, it's in a class level.
If you want it to be correct in the first, you'll have to create it like this:
QUESTION
Trying to create a Python script that subscribes to an MQTT broker and works with the data. However, the MQTT broker is so far not receiving any data, which makes it difficult to test.
I found the following script to subscribe to a topic and print out the payloads, but it doesn't seem like I can connect to the test broker:
...ANSWER
Answered 2020-Feb-07 at 13:28There are two options:
- Create local broker, so install on your PC - example https://mosquitto.org/download/
- Use one online free broker like I am using now: https://www.cloudmqtt.com/
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