已回答
MQTT subscribe retrieves no data back after immediate reply
I just tested the workflow with MQTT.fx and it works fine. Some points to remember: 1) When setting up the connection, set the ...

3 years 前 | 0

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ESP8266 - Write Single Field
You don't have the ThingSpeak library in your list of project dependencies in your PlatformIO.ini file. You need to add the Thin...

3 years 前 | 0

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GSM sends data but cant see them on my channel.
There are no known issues on the server end. You might want to check the connectivity on your end.

3 years 前 | 0

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Apps React ThingSpeak IoT says it has been triggered but my Matlab script does not generate an Alert email
Most likely your MATLAB code is triggering the Alert API too frequently and is getting a HTTP 429 code. Take a look at the docum...

3 years 前 | 0

已回答
Getting -401 error code when using WritingMulitpleFields
What is most likely happening is you are making requests to the server far exceeding your allowed data rate. One out of every 15...

3 years 前 | 1

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ThingSpeak graphs and thingSpeakRead stopped working at 20:08 BST
There are no known issues at this time. Channels are updating correctly. See for example: <https://thingspeak.com/channels/9> ...

3 years 前 | 1

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Only field1 is updating
What is likely happening is that the fields are being updated inidvidually, and faster than once per 15s. What you really want t...

3 years 前 | 0

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已回答
pulse rate enable interrupt caused esp timeout
First, unless you have a paid ThingSpeak license, trying to update your channel every 5 seconds is a waste of resources. In fact...

3 years 前 | 0

已回答
Thingspeak.com yelling "getJSON request failed!"
The underlying issue has been fixed. A missing response header from the server caused your browser to not make any XHR requests....

3 years 前 | 0

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Can I track how often and who have viewed the shared channel of mine for a day or a month if I shared my private channels with others on ThingSpeak or ThingView?
There are ways to do this -- specifically, you can set up a MATLAB visualization on the channel that when loaded increments a fi...

3 years 前 | 2

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Bug in API response, Reading multiple Fields with ESP8266 Arduino Library.
I think looking at the response at one point in time is probably leading you to incorrect conclusions because the channel was up...

3 years 前 | 0

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how can i solve this error appears when I try reading position
Your channel is empty, and you are trying to index into an empty array retrieved from the channel. Try this: data = thingSpeakR...

3 years 前 | 0

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Connect to Sonoff bridge and temperature sensor
This blog entry has good instructions.

3 years 前 | 0

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已回答
Sensor data doesn't gets uploaded to thingspeak channel but it show on the serial monitor
If you have not purchased a ThingSpeak license, your maximum update rate is once every 15 seconds. I do not see where you are li...

3 years 前 | 0

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value not getting uploaded
What troubleshooting have you done? Maybe you are updating your channel faster than once every 15 seconds? Share a link to yo...

3 years 前 | 0

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Sending YF-S201 Flow meter data to ThingSpeak cloud
I take it you are using a free ThingSpeak account. This requires you to update the channel less frequently than once every 15s. ...

3 years 前 | 0

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Time one hour less
What is the time zone of your account? You can log in to ThingSpeak and go to the 'My Profile' and see it.

3 years 前 | 0

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频道

Channel controlled by MATLAB Appdesigner

3 years 前

已回答
Gauge widget refresh phenomenon
I suspect this is on account of a slow internet connection. The gauge needs to make a request back to the server to update its v...

3 years 前 | 0

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Read real time data on raspberry PI
Have you looked at the Raspberry Pi Support Package?

3 years 前 | 0

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Read realtime data from ThingSpeak
If you are using MATLAB installed on your computer, you can install the MQTT in MATLAB toolbox, and subscribe to the channel you...

3 years 前 | 1

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Arduino ESP32 stops posting to ThingSpeak after random times (error -301)
Thank you for trying to eliminate some of the potential issues and posting what you've tried before posting. That certainly help...

3 years 前 | 0

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Grafana and Thingspeak API
I have this set up like this and it works: 1) Set up the datasource. In my case, I set up a new JSON API with this URL: https:/...

3 years 前 | 1

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已回答
Inconsistent values on sensor readings
From what I can tell by looking at your channel, the values seem to be within normal variation expected from these sensors. Why ...

3 years 前 | 0

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Fast and easy plotting of extensive sets of GPS coordinates stored in ThingSpeak
MATLAB has the ability to write CSV, or more generally text files, in any format of your choice. See this documentation page. So...

3 years 前 | 1

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Why I get only the last 36 hours?
To keep the application responsive and have a usable experience on the web site, we limit the number of points retrieved to a ma...

3 years 前 | 0

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My device sends "1" every 15min, React "On Data Insertion" when Field=1 doesnt Tweet me more than once, why?
Twitter has checks in place to prevent the exact same tweet from being posted frequently. My understanding is this is to limit o...

3 years 前 | 1

已回答
Clear Channel-Button doesn't work
The clear channel is an asynchronous operation. If you have a lot of data in your channel, the clearing can take a while and con...

3 years 前 | 3

已回答
Annual usage is capped?
I think this page and this FAQ will answer this and more questions you may have.

3 years 前 | 1

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已回答
Channels not updating since license renewal. Error 404 Payment required message
If you renewed your license after the end date, you likely got a new license number. You need to reassociate your channel to thi...

3 years 前 | 0

| 已接受