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can somebody provide a REAL copy & paste example how to clear a channel?
An example of the HTTP request to clear a channel on https://thingspeak.com using a tool like Postman can be found in the docume...

fast 7 Jahre vor | 0

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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: ...

fast 7 Jahre vor | 0

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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...

fast 7 Jahre vor | 1

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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 ...

fast 7 Jahre vor | 0

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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 ...

fast 7 Jahre vor | 0

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

fast 7 Jahre vor | 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...

fast 7 Jahre vor | 0

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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...

etwa 7 Jahre vor | 0

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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...

etwa 7 Jahre vor | 0

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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...

etwa 7 Jahre vor | 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...

etwa 7 Jahre vor | 0

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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...

etwa 7 Jahre vor | 0

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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...

etwa 7 Jahre vor | 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...

etwa 7 Jahre vor | 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

etwa 7 Jahre vor | 0

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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...

etwa 7 Jahre vor | 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...

etwa 7 Jahre vor | 0

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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...

etwa 7 Jahre vor | 0

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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...

etwa 7 Jahre vor | 0

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

etwa 7 Jahre vor | 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...

etwa 7 Jahre vor | 1

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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...

etwa 7 Jahre vor | 0

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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/...

etwa 7 Jahre vor | 0

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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...

etwa 7 Jahre vor | 0

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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...

etwa 7 Jahre vor | 0

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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...

mehr als 7 Jahre vor | 0

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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...

mehr als 7 Jahre vor | 0

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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...

mehr als 7 Jahre vor | 0

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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...

mehr als 7 Jahre vor | 1

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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...

mehr als 7 Jahre vor | 0

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