已回答
Widgets doesn´t display any values
You are using a comma as a decimal seperator. I'm sorry but ThingSpeak thinks that is string text, and is not converting it to ...

2 years 前 | 0

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已回答
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...

2 years 前 | 0

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已回答
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.

2 years 前 | 1

已回答
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...

2 years 前 | 0

已回答
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 ...

2 years 前 | 0

已回答
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...

2 years 前 | 0

已回答
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...

2 years 前 | 0

已回答
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....

2 years 前 | 0

已回答
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...

2 years 前 | 0

已回答
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 ...

2 years 前 | 0

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已回答
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...

2 years 前 | 0

已回答
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...

2 years 前 | 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...

2 years 前 | 0

已回答
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...

2 years 前 | 0

已回答
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...

2 years 前 | 0

Highlighted

Still haven't found what you are looking for? Try the grouped search - now with a videos group.
If you use MATLAB online, you might already know about the advanced search feature that groups your results into the top suggest...

2 years 前 | 8

已回答
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...

2 years 前 | 0

已回答
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...

2 years 前 | 0

已回答
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...

2 years 前 | 0

频道

drive lights record test

2 years 前

已回答
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...

2 years 前 | 0

已回答
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 ...

2 years 前 | 0

已回答
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...

2 years 前 | 0

已回答
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...

2 years 前 | 0

已回答
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...

2 years 前 | 0

已回答
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)

2 years 前 | 0

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已回答
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...

2 years 前 | 0

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已回答
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? ...

2 years 前 | 0

已回答
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...

2 years 前 | 0

已回答
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...

2 years 前 | 0

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