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Vinod


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MathWorks

248 total contributions since 2011

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Answered
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...

3 days ago | 0

Answered
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...

4 days ago | 1

| accepted

Answered
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.

20 days ago | 1

| accepted

Answered
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 ...

25 days ago | 0

Answered
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...

25 days ago | 0

Answered
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...

27 days ago | 1

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

1 month ago | 1

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

1 month ago | 0

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

1 month ago | 0

| accepted

Answered
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...

1 month ago | 0

Answered
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 "...

2 months ago | 0

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Answered
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...

2 months ago | 0

Answered
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...

2 months ago | 0

Answered
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...

2 months 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...

2 months ago | 0

Answered
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 ...

2 months ago | 1

Answered
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...

2 months ago | 0

Answered
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...

2 months ago | 0

Answered
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...

2 months ago | 0

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Answered
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...

2 months ago | 1

Answered
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 ...

2 months ago | 0

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

2 months 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....

2 months ago | 0

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

2 months ago | 0

Answered
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 ...

3 months ago | 0

| accepted

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...

3 months ago | 0

| accepted

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. ...

3 months 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...

3 months 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 ...

3 months 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...

3 months ago | 0

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