回答済み
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...

約5年前 | 3

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

約5年前 | 1

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回答済み
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...

約5年前 | 0

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回答済み
My Google Gauge is showing blank on thing speak
Why not use the gauge widget? Any particular reason you want the Google gauge, specifically?

約5年前 | 0

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Bug in average calc in API read? (Thingspeak)
A NULL or non-numeric value in a field is "Not a Number" and will be treated as a zero in the averaging in the implementation on...

約5年前 | 1

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Is Thingspeak MQTT reliable?
I just tried this example for a few hours, admittedly it is on a Raspberry Pi, and had reliable results with no "holes" in the d...

約5年前 | 0

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Sending data securely, through thingspeak
ThingSpeak API servers support secure HTTPS and MQTT connections between devices and ThingSpeak. If you are looking for examples...

約5年前 | 1

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Determine number of records availble in a ThingSpeak channel
I'd recommend the best solution is to retrieve data based on date range. Again, keep in mind the response will contain at most 8...

約5年前 | 0

チャネル

Channel for widget #2 for custom dashboard on Google Sites
Custom dashboard is here: https://sites.google.com/view/mythingspeakdashboard/home

5年以上前

チャネル

Channel for widget #1 for custom dashboard on Google Sites
Custom dashboard is here: https://sites.google.com/view/mythingspeakdashboard/home

5年以上前

回答済み
Arduino uno + esp8266 as wifi with 2 sensor code failed to send data to Channel
Take a look at my answer to this question.

5年以上前 | 0

回答済み
Thingspeak (via ESP8622) is not showing any graphical data from 3 Fields.
I strongly recommend using the ThingSpeak library and starting from the examples provided with it.

5年以上前 | 0

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ThingSpeak not showing any data from my ESP32!
I strongly recommend using the ThingSpeak library and starting from the examples provided with it.

5年以上前 | 1

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Get data from API (wio link) into thingspeak channel with free online tools
You can use a MATLAB Analysis app on ThingSpeak which uses WEBREAD to read data from your API and then write it to a ThingSpeak ...

5年以上前 | 1

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回答済み
ESP8266 ESP-01 intermittently but regularly returning -301 error
I suspect that your router or internet connectivity gateway is caching DNS entries. This results in the request going to an IP a...

5年以上前 | 0

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Bulk update 401. error unauthorized
Nothing has changed on the ThingSpeak end that will cause that. Have a look at the documentation for the bulk_update endpoint. ...

5年以上前 | 0

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Not showing the graph in my thingspeak channel
Have you had a look at some of the examples that are part of the ThingSpeak Aruino Library? That would be an excellent starting ...

5年以上前 | 1

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Can only access Write API every >15minutes
I suspect something on the device side or the connectivity on the device. Here's how you can confirm: 1) Using your web browser...

5年以上前 | 0

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Fail to Retrieve channel description
Here's a working Arduino Sketch I have tried on an ESP32. It can be modified as needed for your device. #include <WiFi.h> ...

5年以上前 | 0

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Fail to Retrieve channel description
Have you checked your GSM module to see that it still has data capacity? Nothing has changed on ThingSpeak early August that can...

5年以上前 | 0

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Selecting specific data to show on Thingspeak graph app
I suspect your MQTT gateway is not formatting the data correctly. Why not directly send the MQTT data to mqtt.thingspeak.com ins...

5年以上前 | 1

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openstreetmap zoomable map on thingspeak
The functionality to embed a dynamically zoomable open street map on ThingSpeak with user code is not currently available. The d...

5年以上前 | 0

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Using Thingspeak React with "dynamic" channels
My recommendation would be to set up a TimeControl that triggers MATLAB code that reads data across all your channels. Your MATL...

5年以上前 | 0

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Updating Thingspeak channel - multiple devices at same time
A ThingSpeak channel can be updated at most once a second with a paid license, or once every 15 seconds with a free license. If ...

5年以上前 | 1

回答済み
Error 429 for Bulk Update Data using JSON Document: Too Many Requests
Please refer to the documentation for Bulk Update endpoint, specifically "The number of messages in a single bulk-update is limi...

5年以上前 | 1

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ThingSpeak MQTT omits first field.
I think it is because you are missing an important separator in your request. Try modifying to asprintf(&data, "?field1=%d&fiel...

5年以上前 | 0

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'controlchart' requires Statistics and Machine Learning Toolbox.
To use the controlchart function in MATLAB visualization apps on ThingSpeak, the account you use to log in to ThingSpeak will ne...

5年以上前 | 0

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Calculate Dew point Channel 1120609
Can you share your MATLAB code that is doing the dew-point calculation on ThingSpeak? Remember to redact or replace your channel...

5年以上前 | 0

回答済み
how to send thingspeak data to matlab
thingSpeakRead will get your data from ThingSpeak to MATLAB. Are you using MATLAB on your computer, MATLAB Online, or MATLAB Ana...

5年以上前 | 0

回答済み
How to set the time zone in my account
Log in to ThingSpeak and go to the profile page, edit your timezone to what you want and remember to "Update Profile".

5年以上前 | 1