Answered
Change matlab visualization timezone
If you log in to ThingSpeak and set your timezone on this page (remember to edit and save it), then the MATLAB visualizations wi...

6 years ago | 2

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Answered
Thingspeak channel, update visualization title based on field change
If you have a paid ThingSpeak license, you can have the MATLAB viualizations auto update by simply enabling a checkbox setting. ...

6 years ago | 0

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Answered
Cannot access my Thingspeak account
If you are using Safari browser (default on Mac, iPhone, iPad), a recent change in the browser's default settings has caused pro...

6 years ago | 1

Answered
Use generated code from Simulink Model in Thingspeak
It is certainly possible to do, but requires some engineering of wrappers to expose the MATLAB code as a service. Do you mind ...

6 years ago | 0

Answered
Unable to write data to ThingSpeak , HTTP error 400
Hello Otto, Can you start from one of the examples in the library here: https://github.com/mathworks/thingspeak-arduino Are yo...

6 years ago | 0

Answered
ThingSpeak account not accepting messages after anniversary date
Hi Alan -- are you still having trouble?

6 years ago | 0

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Answered
How to pick data from time range of every day?
Here's an example: d = thingSpeakRead(12397,'NumPoints',8000,'OutputFormat','TimeTable'); t = timerange(today('datetime'),toda...

6 years ago | 0

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Answered
How do I type ']' in matlab editor built in ThingSpeak?
I am unable to reproduce this issue with the latest version Google Chrome. What browser (Chrome/Safari/Firefox/Edge/Internet...

6 years ago | 0

Answered
Thingspeak - Expired License message & upload stopped working Sept 4
I think your issue is the same as that reported on this thread: https://www.mathworks.com/matlabcentral/answers/480414 Can you...

6 years ago | 0

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Answered
How to turn on and off a led disatnce using the MQTT with ESP32 and thingspeak.
This example may be a good starting point: https://www.mathworks.com/help/thingspeak/mqtt-publish-and-subscribe-with-esp8266.htm...

6 years ago | 0

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Answered
CSV format data with API export only 1st field
I think you're looking for the API documented here: https://www.mathworks.com/help/thingspeak/readdata.html

6 years ago | 0

Answered
Thingspeak "data export" button not working
This has been fixed. For those who are having trouble, you should now be able to go to the "Data Import/Export" tab of your chan...

6 years ago | 0

Answered
How to test your IFTTT service to see you receive data via URL on ThingSpeak channel?
You can now send emails from ThingSpeak in a much simpler way. Steps below: 1) Go to your ThingSpeak profile and click on the "...

6 years ago | 1

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Answered
accelerometer data from Raspberry to Thingspeak not displaying properly
Are you sure your data in the field 2 is numeric? When you export the data, does it show as numeric or text? If the data in th...

6 years ago | 0

Answered
MATLAB visualization layout problem
The white bar is because the window color does not match the background color of the window in which the figure is displayed. We...

6 years ago | 0

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Answered
How to send Data from GSM module(SIM800A) to my chhanel Thingspeak i try this AT commands but not responding.
Check out the solutions described here.

6 years ago | 0

Answered
Thingspeak, Analysing within a channel
This is by design -- once the data is recorded for a particular timestamp, the datapoint associated with that timestamp is consi...

6 years ago | 2

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Answered
How to read data in more than 2 fields in thingspeak?
Your RESTClient can read all 8 fields using the documented API and the lines of code in your application subsequent to the RESTC...

6 years ago | 0

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Answered
ThingSpeak Channel Does Not Update Automatically when using ESP8266 with AT Commands and C Programming Language
Have you looked at the examples in the ThingSpeak Communication Library? Specifically, this example might be a useful starting p...

6 years ago | 0

Answered
Error 429 Too many requests
Which API are you using to upload the data? If you are using the update API then you should be able to get the 1 second update r...

6 years ago | 1

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Answered
ThingHTTP call to Twilio results in "AccountSid or AuthToken was incorrect"
Thanks for sharing your code and the solution in your comment. Looks like you were able to figure out the solution before we co...

6 years ago | 0

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Answered
How can I show live track of GPS data?
Perhaps this example will provide you a good starting point.

6 years ago | 0

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Answered
Error in ThingSpeak with Fit Function
This is because you are logging in with two different MathWorks Accounts, each of them have access to a different set of toolbox...

6 years ago | 0

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Answered
ThingSpeak: Bug in Data Import related to UTC
Thank you for reporting the issue with detailed reproduction steps. We'll looking into resolving this in an upcoming release.

6 years ago | 0

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Answered
Unable to post to Thingspeak channel
Since your ultimate goal is to get this working on a NodeMCU, I'd recommend starting from the examples in the ThingSpeak Client ...

6 years ago | 0

Answered
Instrument Control Toolbox - Scan for devices without tmtool
Does instrhwinfo not do what you are looking for? Which VISA vendor are you using?

6 years ago | 0

Answered
Failed to load to the server with 400 status
Isn't this the same question as https://www.mathworks.com/matlabcentral/answers/490380

6 years ago | 0

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Will NodeMCU/ESP8266 reliably send data to Thingspeak for months, without my intervention, reboots etc ?
It's difficult to comment on the reliability of your NodeMCU device with your code running on it without knowing it. I'd say you...

6 years ago | 0

Answered
Thingspeak - Expired License message & upload stopped working
It appears you may have ignored an email requiring you link your account to a MathWorks Account before September 2019. Based on ...

6 years ago | 2

Answered
can somebody provide a REAL copy & paste example how to clear a channel?
An example of the HTTP request to clear a channel on https://thingspeak.com using a tool like Postman can be found in the docume...

6 years ago | 0