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Vinod


MathWorks

171 total contributions since 2011

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Answered
How can ı use talkback on thingspeak with simulink?
There are specific blocks in Simulink to send data to ThingSpeak or read data from ThingSpeak. See: https://www.mathworks.com...

4일 ago | 0

Channel


Mints dataset
This data is from the 'mints.mat' file with 8 of the 76 fields mapped

29일 ago

Answered
Multiple Values in one Field
You can pack more data into a field, but, you will have to use your own algorithm in MATLAB to unpack the data and update MATLAB...

2달 ago | 0

| accepted

Answered
Tweeting frequency with React App
Twitter rate limits how often the exact same tweet can be tweeted from an account. You will likely want to make your tweets uniq...

2달 ago | 0

| accepted

Answered
Use MATLAB on local ThingSpeak server
Hi James, At this time the GitHub version of ThingSpeak contains the data collection engine and some charting. If you are loo...

3달 ago | 1

| accepted

Answered
How can i put the generated Sensor Data from my Android Matlab App to thingspeak?
From the MATLAB app, you can use the thingSpeakWrite function to write data to ThingSpeak. Note that the time resolution of data...

3달 ago | 0

Answered
No Lines between points when plotting on ThingSpeak (Example ThingSpeak Code)
It is very likely that your data has NaN's in them. You can remove the missing entries using the RMMISSING function before plott...

4달 ago | 1

| accepted

Answered
thingSpeakPlot vs time of day.
Hi Mark, Can you use plot instead of thingSpeakPlot? Does that resovle the problem? -Vinod

4달 ago | 0

Answered
Can anyone sign up in Thingspeak
Yes. If you have an existing MathWorks Account, you can sign in to ThingSpeak using that account's credentials. If you do not h...

4달 ago | 0

| accepted

Answered
Is it possible to use a replacement key in a thinghttp header field?
You will need to do this using a MATLAB Analysis app. If you want to schedule it, you can schedule the MATLAB Analysis using the...

6달 ago | 0

| accepted

Answered
Is it possible to visualize the 1. derivation of a first curve as a separate second curve in the free of charge Thingspeak? I want to detect high value changes in the first curve.
You can always plot(diff(array)) where array contains the data you read from a ThingSpeak channel using thingSpeakRead.

6달 ago | 0

Answered
how do I extract data from a single field at 12 hour intervals without hitting the 8000 datapoint limit?
Allan, Can you describe your use case and application in further detail? How will this data that is older than the most recen...

10달 ago | 1

Answered
ThingSpeak Channel Status Update field
Have you enabled the "Show Status" checkbox on the channel setting page? If so, you should see "good" in your channel status w...

약 1년 ago | 0

| accepted

Answered
Error using thingSpeakWrite 'Values' must have a maximum of 8 elements.
Can you share the code you are using to update your ThingSpeak channel? Please replace your ThingSpeak API key with ___XXX___ so...

약 1년 ago | 0

Answered
Re-posed this question
Could you help me understand why almost every one of your posts tagged with "Statistics and Machine Learning Toolbox" and "Data ...

1년 이상 ago | 0

Submitted


Upload files to your DropBox folder from MATLAB
This function allows a user to upload files using MATLAB to DropBox(TM).

1년 이상 ago | 10 downloads |

Answered
How to capture a spectrum from a R&S spectrum analyzer?
See answer to the <https://www.mathworks.com/matlabcentral/answers/337575 question here> .

2년 이하 ago | 0

Answered
Controlling an SCPI instrument in Simulink
Perhaps you can use the Simulink <https://www.mathworks.com/help/simulink/slref/whileiterator.html While Iterator> to run a subs...

2년 이하 ago | 0

| accepted

Answered
How to connect to Keysight oscilloscope using the oscilloscope() function?
Try >> o=oscilloscope; >> o.Reource = 'USB0::0x2A8D::0x1769::MY56310266::INSTR' >> o.Driver = 'AgInfiniiVision' >>...

약 2년 ago | 0

Answered
Instrument control toolbox error when creating interface object
Install <https://www.mathworks.com/matlabcentral/fileexchange/52848 this support package> and try again. If you are still seeing...

약 2년 ago | 0

Answered
How to capture a spectrum from a R&S spectrum analyzer and find its maximum?
You could start by modifying <https://www.mathworks.com/help/instrument/examples/reading-inphase-and-quadrature-iq-data-from-a-s...

약 2년 ago | 0

Answered
Invalid MEX file error while running CAN communication demo
I suspect you don't have your software installed correctly. Specifically I suspect you need to install the Hardware Support Pac...

약 2년 ago | 0

Answered
I have an agilent 1002A oscilloscope.It is provided with an USB Port So how can i interface it with MATLAB
You should be able to modify this example with the SCPI commands for your oscilloscope: https://www.mathworks.com/matlabcentr...

약 2년 ago | 0

Answered
DAQ.getdevices works in MATLAB 2015?
According to the <https://www.mathworks.com/help/daq/ref/daq.getdevices.html documentation page>, the function was introduced in...

약 2년 ago | 0

Answered
How does the DAQ demo adaptor work?
The demo adaptor contains all the source code to add support for any device you wish in Data Acquisition Toolbox. The source cod...

약 2년 ago | 0

Answered
So what is the alternative to Data Acquisition Toolbox in all 64bit setup?
Support for Data Acquisition using Simulink from NI hardware is available in the latest version of MATLAB & Simulink. What versi...

약 2년 ago | 0

Answered
questions about bytesavailablefcncount of a serial port.
Behind the scenes, MATLAB is continuously polling the serial port for data and storing the results in a local buffer. The ...

2년 이상 ago | 2

| accepted

Answered
VISA Serial Read - Unsuccessful read: A timeout occurred before the Terminator was reached.
What you are seeing is normal. Please check the <https://www.mathworks.com/help/instrument/fscanf.html Rules for completing a re...

2년 이상 ago | 1

| accepted

Answered
Do you have any product that can communicate through Modbus protocol?
Instrument Control Toolbox added support for MODBUS in R2017a. Take a look at the functionality documented <https://www.mathwork...

2년 이상 ago | 1

Answered
how to send SCPI command with driver based communication?
This depends on a number of things, but mainly if/how the driver and the hardware implement device locking. You can try this - w...

2년 이상 ago | 0

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