Risposto
My domain is blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
On further investigation, it appears that there is a difference between your AJAX code and the CURL command: AJAX request is: ...

oltre 6 anni fa | 0

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Risposto
Thingspeak Expiration Date? License Type: Free
I believe <https://thingspeak.com/pages/license_faq the FAQ> answers all your questions. For personal, non commercial projects o...

oltre 6 anni fa | 1

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Risposto
Thingspeak, change data?
If you want to change the data in a channel, you can clear the channel and re-upload the data. 1) Log in to ThingSpeak and go ...

oltre 6 anni fa | 0

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Risposto
Can't send data to thingspeak api using GET HTTP
Have you tried using the ThingSpeak library: https://github.com/mathworks/thingspeak-arduino I'd recommend starting with those ...

oltre 6 anni fa | 0

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Can't upload - free license expired
Can you confirm your account is reactivated?

oltre 6 anni fa | 0

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Incorrect ThingSpeak update feed error "error_payment_required" status 402 returned
I believe your license was inactivated on account of not linking your legacy ThingSpeak account to a MathWorks account. If you l...

oltre 6 anni fa | 0

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Risposto
Readmatrix / readtable works on ThingsSpeak ?
If you have access to desktop MATLAB or MATLAB online, you can load the contents of the CSV file in MATLAB and use thingSpeakWri...

oltre 6 anni fa | 0

Risposto
ThingSpeak http error code 0 but data is inserted
The most likely situation is that your device is doing multiple updates within the allowed update rate (every 15s as a free user...

oltre 6 anni fa | 0

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Risposto
Simple Problem with Pie Chart on Thingspeak using MATLAB Visualization
Does your data have NaN's in the field? You can find this out by exporting the channel data from the 'Data Import/Export' tab of...

oltre 6 anni fa | 0

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ThingSpeak: missing IPv6 compatibility
It sounds like you're using a ststic IP address in your nodes. Static IP is not recommended for a number of reasons. Would it no...

oltre 6 anni fa | 0

Risposto
update lat, long. Just in order to plot those in a Google Map.
You can update the lat and long fields of the channel. In addition to the 8 fields, there are separate lat, long and elevation f...

oltre 6 anni fa | 0

Risposto
I would like an example of scpi over ethernet to Rigol Instruments using the instrument control toolbox.
I've not tested this as I don't have a Rigol scope, but you should be able to start from here: % Initialize scope. The port num...

oltre 6 anni fa | 2

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how to handle multiple device ?
Can you describe in more detail your project? How many nodeMCUs do you have? How many sensors per device? What are you doing wit...

oltre 6 anni fa | 0

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how we store video frames in firebase from matlab?
You might find this documentation helpful: https://www.mathworks.com/help/matlab/import_export/work-with-remote-data.html

oltre 6 anni fa | 0

Risposto
can we store the image from matab to thingspeak?
You might find this documentation page helpful. https://www.mathworks.com/help/matlab/import_export/work-with-remote-data.html...

oltre 6 anni fa | 0

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3rd Party Cookies
Have you disabled cookies in your browser, specifically, 3rd party cookies? Here are instructions on enabling them: https://di...

oltre 6 anni fa | 0

Risposto
Sending PuTTY-like command through TCPIP or VISA
If you can PuTTY into the box, then it is likely running an SSH server. Try using this: https://www.mathworks.com/matlabcentra...

oltre 6 anni fa | 0

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Risposto
Thingspeak - Expired License message & upload stopped working
Your request to re-activate your account has been addressed. Please log in to ThingSpeak and confirm you are able to send data t...

oltre 6 anni fa | 0

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Risposto
You have run out of messages
Can you please log in to ThingSpeak and check your account again?

oltre 6 anni fa | 0

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ThingSpeakWrite() limit only 33% more in Home version than free, should that be?
There are multiple levels of counters on https://thingspeak.com/account. The table shows the number of messages remaining and is...

oltre 6 anni fa | 1

Risposto
wrong time in my thingspeak chart
If you have browser extensions/plugins that are changing your browser's timezone, then you will see this issue. Try logging in...

oltre 6 anni fa | 0

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Risposto
How do I write to a ThingSpeak channel from a Raspberry pi via code deployed using the Matlab Coder?
As you said, there is a block in the Raspberry Pi Support Package that you can use. https://www.mathworks.com/help/supportpkg/...

oltre 6 anni fa | 0

Risposto
Plot won't show line
My guess is that your data has a bunch of NaN's in it which is causing the issue. Look at the documentation of the rmmissing a...

oltre 6 anni fa | 0

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Risposto
Trying to compile ThingSpeak Toolbox Support into a standalone App. How to add P file requirements manually.
If you are using R2019a (or newer) of MATLAB, you do not need to install the ThingSpeak Support Toolbox -- the functions are bui...

oltre 6 anni fa | 0

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Risposto
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...

oltre 6 anni fa | 0

Risposto
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...

quasi 7 anni fa | 0

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Risposto
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...

quasi 7 anni fa | 0

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Risposto
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...

quasi 7 anni fa | 1

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Risposto
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...

quasi 7 anni fa | 0

Risposto
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...

quasi 7 anni fa | 1

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