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Can not connect to ThingSpeak MQTT broker using MQTT X Client
If you're connecting over Secure MQTT, you need to use port 8883, not port 1883 as your screenshot shows.

presque 3 ans il y a | 0

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can I send the things speak data to a wordpress website?
You can host the ThingSpeak chart inside of your wordpress site. See this blog entry. There are 3rd party plugins also available...

environ 3 ans il y a | 1

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MQTT X and thingspeak - lost connection
Here's the settings you need to connect with MQTTX:

environ 3 ans il y a | 0

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Migrating my existing ThingSpeak channel to new MQTT server
If you have 2 devices publishing to the same channel, one with the legacy mqtt connection and another with mqtt3 connection, but...

environ 3 ans il y a | 0

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I am trying to publish data through desktop MQTT Client, but it's get connected but when I am doing subscribe it says connection lost?
If the connection is being dropped when you attempt to subscribe, it is most likely you are subscribing to an incorrect topic, o...

environ 3 ans il y a | 0

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how to embed matlab script in website ?
You may want to look at MATLAB Production Server and MATLAB Web App Server to build something like what you describe.

environ 3 ans il y a | 0

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How to send by HTTP method (POST) many values to one field with diferent timestamps?
I think you are looking to collect a bunch of data and upload a number of points in a single POST request. Take a look at this d...

environ 3 ans il y a | 0

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Can we create dashboard and shared with a customer in ThingSpeak ? what is count for paid version ?
Take a look at the answer to this question: https://www.mathworks.com/matlabcentral/answers/740952 and this answer as well

environ 3 ans il y a | 0

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API call from postman to Matlab.
I think you will find this documentation helpful: https://www.mathworks.com/help/matlab/ref/webread.html

environ 3 ans il y a | 0

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Thingspeak : account creation / login issue
There are no known issues at this time. Do you get any errors? Can you share a screenshot of what you see when you try to lo...

environ 3 ans il y a | 0

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When connecting the second MQTT client to the Thingspeak channel, the connection is first bursting.
If you are using the same triplet of clientid, username and password on multiple devices,only the last connected device will sta...

environ 3 ans il y a | 1

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Bulk upload issue - HTTP Error code 502
@Johannes Kuder: Thank you for posting your question on the ThingSpeak Community. Like @Yongjian Feng says, you should try your ...

environ 3 ans il y a | 1

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From where can I get the access to ThingSpeak MQTT API?
I'd recommend starting by reading the documentation here: <https://www.mathworks.com/help/thingspeak/mqtt-api.html> Also, tak...

environ 3 ans il y a | 0

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LWIP MQTT not connecting
Could you provide more information - what is the client ID of your device? We may be able to look at the server logs given the c...

environ 3 ans il y a | 0

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Can I subscribe my channel(s) with MQTT with a free license?
Yes. Even a free license enables you to publish and subscribe to ThingSpeak channels. Note that you may still only publish to a ...

environ 3 ans il y a | 0

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Downloading data from thingspeak into microbit
ThingSpeak provides <https://www.mathworks.com/help/thingspeak/read-data-from-channel.html an API to read data> stored in your c...

environ 3 ans il y a | 0

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data loss during christmas?
There are no known issues. For example, see this channel: <https://thingspeak.com/channels/12397> Can you try exporting all t...

environ 3 ans il y a | 0

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Thingspeak - status 429 with message "Too Many Requests"
Did you read the note on the help page that says "Users are limited to 2 alerts every 30 minutes. The rate limit is applied when...

environ 3 ans il y a | 1

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Values are getting updated every 15 seconds in thingspeak. How do I lower this time?
Also note that if your license allows you to update a channel once every 15s and you are knowingly wasting resources by having a...

plus de 3 ans il y a | 1

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Why I don't get thingspeak update from both DHT11 with 4 field
What have you tried to debug the issue? Have you tried printing the measured readings to your serial port before updating your t...

plus de 3 ans il y a | 0

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is there a data upload limit on thinkspeak? for example temperature data uploaded in real time
Your question is similar to this one and the FAQ linked there will answer your questions as well.

plus de 3 ans il y a | 1

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ThingSpeak: How to set 'NumPoints' equal to the maximum available in the channel?
See this documentation. The NumPoints can be at max 8000. If you have less than 8000 points in your channel, everything is retur...

plus de 3 ans il y a | 0

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At what point in thingspeak data upload created_at timestamp is added to channel data?
The created_at is set at the time the data is received by the ThingSpeak API server. If you are using MQTT, or static IP - which...

plus de 3 ans il y a | 0

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Is there a limit to the amount of data I can collect on Thingspeak?
I believe answer to question #23 on the ThingSpeak license FAQ is what you are looking for.

plus de 3 ans il y a | 2

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how can i specify the timezone?
Go to https://thingspeak.com/account/profile and set your timezone. Also, ensure your system time is set to the correct timezone...

plus de 3 ans il y a | 1

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DELAY in state from on- off spontaneously
Are you using a ThingSpeak account with the free tier? If so, a channel can only be updated every 15 seconds or less frequentl...

plus de 3 ans il y a | 0

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What is wrong with this code?
Thingspeak can only accept data sampled at 1hz or lower frequency. That is, tStamps should be at least 1s apart. My initial gues...

plus de 3 ans il y a | 0

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Can I detect when a channel is queried?
ThingSpeak does not currently provide this information. If you are concerned about the access to the channel, make it private. T...

plus de 3 ans il y a | 0

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How to parse JSON with ThingHTTP when field names have spaces? Standard dot notation doesn't with ThingHTTP?
You can parse JSON using the dot notation. Here's an example: Of course, this is a bit contrived to create a thingHTTP to rea...

plus de 3 ans il y a | 0

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ThingHTTP returns -1
It appears that the certificate chain of the website may have an expired or invalid certificate or it is not from a recognized c...

plus de 3 ans il y a | 0