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websend does not transfer data to my thingspeak channel
Have you been able to update your channel using the web browser address bar? You can find the write data fromat on the api keys...

1 year ago | 0

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Answered
The page is showing login successfull, but it's not showing my channels option in the channels page
Thanks all for reporting. We will look into the issue and post here when we have a solution.

1 year ago | 1

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The page is showing login successfull, but it's not showing my channels option in the channels page
You may have to review you cookie resrictions. MathWorks login does require some for login. Did this effect start recently? Ca...

1 year ago | 0

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The page is showing login successfull, but it's not showing my channels option in the channels page
Can you try logging in on a different device or system? If that is successful, I recommend you sign out (on the original system ...

1 year ago | 0

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Process an image sent to Thingspeak
Right now the data is in an area that is not publicly accessible. We are working to develop the capacity to read the data into a...

1 year ago | 0

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Where is storage image data on Thingspeak?
Right now the data is in an area that is not publicly accessible. We are working to develop the capacity to read the data into a...

1 year ago | 0

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storing data on Thinkspeak
Are you writing from a device or from an instance of MATLAB? From a device, you should use the write data APIor MQTT publish....

1 year ago | 0

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Widgets doesn´t display any values
The widget isnt showing any value because the value of field1 in your channel is null. When you write only to field 2 in an upd...

1 year ago | 0

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Connect vibration sensor to synchronous machine
There is a ThingSpeakWrite block available in Simulink. You can use this directly from a model or you can deploy it to hardware ...

1 year ago | 0

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Answered
Delta PLC to Thingspeak Interfacing
If your PLC has an internet conntection, you can use the HTTP Rest API for write data or you can write with MQTT publish via the...

1 year ago | 0

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No connection. Micro:bit IoT kit to Thingspeak
Do you know anyway to expose what the steps in the make code or the ESP firmware are doing? I know how to connect an ESP8266 di...

1 year ago | 0

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https://api.thingspeak.com/channels/<channel_id>/bulk_update.json
The format requirements for bulk update are farily complex. Have you followed all the steps in the bulk write documentation exa...

1 year ago | 0

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How can I Deploy Thingspeak?
Each device should have its own channel. You can use the method I described above if you want the device to create a channel, o...

1 year ago | 0

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Setting x axis to 8 hours
I would consider creating a custon MATLAB visualization where you can fix the x axis use xlim( [ begin end]). Alternatively, yo...

1 year ago | 0

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How to use use app designer to get the first data of any field in ThingSpeak
Have a look at the read last field api endpoint.The returned data includes the timestamp. To use the API in app designer, use w...

1 year ago | 0

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How to clear all data of one field in ThingSpeak in app designer
There are no selective delete operations available. You can download the data, clear the channel and re-upload the data of inter...

1 year ago | 0

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No connection. Micro:bit IoT kit to Thingspeak
Can you try updating your channel with your browser address bar? Use the format shown on the API keys tab of your channel. Th...

1 year ago | 0

Answered
Analyzing sensor data on ThingSpeak through the MATLAB Analysis.
You can use the Alerts API to create an alert based on a condition you calculate in MATLAB code.After you apply the bandpass fil...

1 year ago | 0

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No connection. Micro:bit IoT kit to Thingspeak
You seem to have no delay between requests. This will result in you continuously querying the ThingSpeak server, and eventually ...

1 year ago | 0

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Why sometimes daily average shows wrong values?
Two major casues of this are blank values in your field data and timezones. I would have a look at your data using the read API...

1 year ago | 0

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Two accounts simultaneously on the same computer?
Can you tell us more about what you are using multiple licenses for? According the the licensing FAQ, multiple free account...

1 year ago | 0

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How to display two ThingSpeak dashboard channel widgets, one from actual data input, and the other calculated.
You can use 'on data insert' react to use MATLAB to translate and write to the other channel each time the original channel is u...

1 year ago | 0

Answered
MQTT publish to Thingspeak with a JSON payload
Two ways to automatically trigger code: React (on Data insert) TimeControl (group data processed since last job)

1 year ago | 0

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Answered
IoT Data Explorer for ThingSpeak and MATLAB
The app was made assuming you have a relatively continuous data stream. Your data is very sparse with respect to time. I was abl...

1 year ago | 0

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Answered
JSON Bulk Write to ThingSpeak Channel, 401 Unauthorized Error
It seems that ThingSpeak is not understanding your API key. This example for an RPI uses python. Does your code look similar? ...

1 year ago | 0

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MQTT publish to Thingspeak with a JSON payload
You are correct that ThingSpeak requires you to have the specific format fieldx= in your payload. You can see all the correct p...

1 year ago | 0

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Data is sent but not update
Is seems that you are building the url but never sending it to ThingSpeak. This would explain why neither method works. I wou...

1 year ago | 0

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Answered
Data is sent but not update
We suggest using the ThingSpeak library for Arduino, when you can. The next thing I would suggest is to see if you can update...

1 year ago | 0

Answered
How can I add multiple data from arduino to one field on Thingspeak?
Field plots are the automatic plots that show unmoderated field data. You cannot do multiple series on a field plot. You can a...

1 year ago | 0

Answered
How do I set time for my channel?
When in ThingSpeak (not here in the community), click your avatar in the upper right, and select "My Profile". There is a setti...

1 year ago | 0

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