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Reading values from thingspeak website
Please refer to this page and the FAQ for information on the different license types and the capacity of each license type. Also...

6 years ago | 1

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Running CURL - Post method to Thingspeak
Have you tried starting from the examples in the ThingSpeak library? There are specific examples for the Yun that you can start ...

6 years ago | 1

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Data storeged in thingspeak
I think you will find the answers to your questions in the License FAQ.

6 years ago | 0

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Can we upload image to Thingspeak?
If you are using a Raspberry Pi, you can set up the IP camera functionality on it and then use the IP camera in a MATLAB visuali...

6 years ago | 1

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Getting authentication failure when using POST from ESP32
Have you taken a look at this example: https://www.mathworks.com/help/thingspeak/continuously-collect-data-and-bulk-update-a-th...

6 years ago | 0

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ThingHTTP Example not working
It appears Coinbase changed their CSS or page layout, yet again. Try this instead: In the URL field, enter: https://cointelegra...

6 years ago | 1

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Can Raspberry pi 3B+ use Talkback (Thingspeak)?
Any device that can make HTTP requests should be able to use the Talkback feature on ThingSpeak, including the Raspberry Pi.

6 years ago | 1

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How can I change the standard 15 s update time when using my own local Thingspeak server?
One second updates are only supported on the ThingSpeak service. To get the one-second update rate, you will need to purchase a ...

6 years ago | 0

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How to clear thingspeak channel from Matlab?
Try this: ChannelID = YOUR_CHANNEL_NUMBER; UserAPIKey = 'YOUR_USER_API_KEY'; % This is available from https://thingspeak.com/a...

6 years ago | 4

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urlfilter provides wrong number
It appears that the website loads its data dynamically (i.e., data is loaded into the page's DOM asynchronously after the initia...

6 years ago | 1

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Can't import csv file into thingspeak.
Thank you for reporting the issue. It has been resolved.

6 years ago | 1

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Raspberry Pi with MPU6050 Sensor Data Visualisation (Accelerometer, Gyroscope)
There are numerous tutorials online. Have you tried looking at some?

6 years ago | 0

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How to write a matlab code to automate the bulk write procedure on Thingspeak
Please see the documentation for the thingSpeakWrite function.

6 years ago | 0

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need help with Talk back, commands and fields
Have you taken a look at the Thingspeak examples? This one might be relevant to what you're trying to do: <https://www.mathwo...

6 years ago | 0

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Insert the fields into a web site
Take a look at this documentation: https://www.mathworks.com/help/thingspeak/embed-a-chart.html I'm not sure what you mean by "...

6 years ago | 0

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Receiving multiple math errors while plotting data with Matlab AQI Calculator Example
My suspicion is your data contains 'NaN' and you are attempting to perform arithmetic on NaNs. You may want to look into functio...

6 years ago | 0

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How do I breakline in MATLAB emails?
Try alertBody = sprintf('El sistema de monitoreo no ha obtenido ningun dato del Arduino en los ultimos 10 minutos.\r\n Se rec...

6 years ago | 0

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Error -304 in writeFields()
I believe you have isolated the problem to your Netgear extender. The symptoms point to a delay of some sort that the extender i...

6 years ago | 0

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Answered
Message update interval limit / MQTT subscriptions
With a free license, a channel can only be updated at most once every 15s. It does not matter if the updates are happening using...

6 years ago | 0

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I am unable to connect my arduino ESP 8266 01 with Thinkspeak
Have you considered using the library here: https://github.com/mathworks/thingspeak-arduino My recommendation is to start from ...

6 years ago | 1

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Just letting you know of a simple error
Thank you for letting us know, Clarry. I appreciate you reporting it. I've filed an issue with the documentation team to fix th...

6 years ago | 0

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Can't write data to channel via REST API on Arduino
If the same code works to send data to ThingSpeak from an embedded device on one network but not on another, it almost certainly...

6 years ago | 0

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how to post matlab output to a website by not using thingspeak?
Here's where I would start: https://www.mathworks.com/help/matlab/ref/webwrite.html If you post more details about what you a...

6 years ago | 0

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Why its not possible to view visualization on your channel when being shared?
You can share a channel privately with someone knowing their email address. Please see the documentation. Note that the user wil...

6 years ago | 1

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Sending data from another cloud provider to ThingSpeak
Haydar, If I understand right, your question is how to READ data from Azure and have the data show up on ThingSpeak. It is not ...

6 years ago | 0

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Error 401 Arduino ESP8266
Are you still seeing a '0' response code to your requests to update a channel?

6 years ago | 0

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Answered
How to change the width of widgets? - gauge, lamp, numerical display
If you are familiar with HTML and CSS, you can use CSS to resize the widget. For example, create a new HTML file called example....

6 years ago | 0

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Answered
Annotations on channel data
I think this page has what you're looking for.

6 years ago | 0

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Unable to Post Data on Channel
I'm able to post to your channel using the link specified. Can you try again? Also, my recommendation is to reset the API key ...

6 years ago | 0

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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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