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Vinod


Last seen: 1 day ago

MathWorks

282 total contributions since 2011

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Answered
Update of TS data?
What is the status code you get from ThingSpeak when you update your channel? If you are using the Write Data API and get a HTTP...

2 days ago | 0

| accepted

Submitted


Model-Based Design of a SUV Anti-Rollover Control System
Models and literature demonstrating Model Based Design of a SUV Anti-Rollover Control System.

9 days ago | 5 downloads |

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Answered
Problem sending GPS Data from TTGO T-Call (ESP32) board to Thingspeak using integrated SIM800L.
Try to strip down the example to the minimum to find the source of your issue. Since this is a build issue, I suspect your toolc...

13 days ago | 0

Answered
Arduino built in example "WriteMultipleFields" gets error code -301
Have you made sure you're using the latest version of the library? Are you unable to see channel updates with the examples that ...

13 days ago | 0

Answered
How do I get ThingSpeak (Channel ID: 1077109) to update the ThingSpeak page automatically every 2 minutes.
The MATLAB visualization will update if you reload the page or visit it again every 5 minutes.

13 days ago | 0

Answered
Send GPIO Status to Thingspeak (Lamp Indicator Widget)
Take a look at this example. You can modify it to show your pump status instead of CPU percent utilization quite easily.

22 days ago | 0

Answered
Update channels with Arduino MKR NB 1500 or Dfrobot SIM7600CE-T 4G(LTE) Shield
I'm guessing you're using AT commands to send the data to ThingSpeak. It is likely you will need to modify the AT commands from ...

24 days ago | 0

Answered
Thingspeak Server Uptime and Lost Data
The ThingSpeak team has a very high standard for uptime for API servers. Our releases are planned keeping in mind having zero do...

29 days ago | 0

Answered
Number of Fields in a Thingspeak Channel
Try going to the Channel's "Settings" tab and enabling the fields. You may not have enabled the fields on the channel, or may ha...

1 month ago | 1

Answered
Matlab Analysis won't update my field!
If you want a plot of your values, you need to use a MATLAB visualization and add the output to the view of your channel.

1 month ago | 0

Answered
Trend lines and forcasts
Certainly possible to use MATLAB and fit a curve through the data points and project the curve into the future to see where it m...

1 month ago | 1

Answered
Location data along fields vs channel settings
The lat-lon of the channel is where the channel is located. The lat-lon of the feed is where the actual feed was measured. To ...

1 month ago | 1

| accepted

Answered
Data sent to ThingSpeak only twice
My guess is the RTC is interrupting the network stack during the transmission of data to ThingSpeak. Maybe eliminate the RTC int...

1 month ago | 1

Answered
Widget name with spaces or other special characters
A fix for this has been deployed. Please let us know if you are still seeing spaces being replaced by %20, or other special char...

1 month ago | 0

| accepted

Answered
MATLAB Analysis Code window does not allow editing in Firefox 77.0.1
I just tried Firefox 77.0.1 and I don't have this problem. I suspect it is one of your plugins/extensions that is interfering wi...

2 months ago | 0

Answered
From Google Sheets to ThingSpeak
You can set up a MATLAB analysis code to use this function to read data from your google sheet. Once you have the data in your M...

2 months ago | 2

| accepted

Answered
ThingSpeak Pushing Messages?
If you want SMS messages to your phone, it is easily possible. 1) Use ThingHTTP to send an email alert to yourself. 2) In yo...

2 months ago | 0

Answered
How to create an editable map on thingspeak?
If you have a paid license of ThingSpeak, you can enable the "Auto Update" checkbox on the MATLAB visualization that will cause ...

2 months ago | 1

| accepted

Answered
Getting sporadic 404 Bad request and 429 Too Many Requests when posting bulk data
This is most likely with a badly constructed request to ThingSpeak. It will be difficult to debug because it is likely that some...

2 months ago | 0

Answered
Sending an Email to someone else using Thingspeak
ThingSpeak only sends email to the account owner, to prevent it from being used to spam people. You can set up a rule in your em...

3 months ago | 0

Answered
how to enable email notification once a month or after 30 days.
Have you taken a look at the TimeControl app on ThingSpeak? You can use that to schedule your MATLAB code to run on a schedule o...

3 months ago | 0

| accepted

Answered
ThingSpeak error responses broken?
We are looking into this. I'll post a response here when we have more information.

3 months ago | 0

Channel


BatteryTest

3 months ago

Answered
ESP32 - Arduino - no data seen on Thingspeak
I'd recommend starting with the examples here. They will provide a good foundation as you develop your specific sketch.

3 months ago | 0

Answered
MQTT subscribe gets no data back
Have you taken a look at this example? It should be possible to modify it for a Particle Argon quite easily.

3 months ago | 0

Answered
ThingSpeak account not accepting messages after anniversary date
Have you tried sending messages from a browser window to rule out a code issue?

3 months ago | 1

| accepted

Answered
Can't export data from thingspeak. Thingspeak takes too long to respond.
We're able to reproduce this and are working on a fix. I'll update this thread once the fix is deployed.

4 months ago | 0

| accepted

Answered
Random appearance of error code 400
A 400 response is in response to a bad request. This usually can be traced back to a request that likely has badly encoded data....

4 months ago | 0

Answered
Thingspeak - upload stopped working on all channels simultaneously
I think this has to do with your device connectivity or something on that end. To confirm, can you try logging in to ThingSpea...

4 months ago | 1

| accepted

Answered
How do i send multiple emails to different people using the Thingspeak Matlab Analysis
The alerts feature is designed to only send emails to the ThingSpeak accout holder. This is to prevent abuse of the service to g...

4 months ago | 0

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