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Visualization NOT showing last values collected.
The 'updated at' on the my channels view is not guaranteed to be totally up to date, it is only an estimate. The most accurate ...

environ un an il y a | 0

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how to remove HTTP error 301 while sending data from nodemcu esp8266 to thingspeak
301 error is connectivity. You can Try a different network, or move your device in the present network closer to the router ...

environ un an il y a | 0

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Display Thing-Speak's charts in my MATLAB app.
Click the cloud icon on your ThingSpeak play. Copy the html starting with '<iframe width=...' Open app designer. Type 'html' ...

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ThingSpeak public image display
I have similar workflows for two of my projects. For one, I upload to dropbox using this function to upload. Then you can use ...

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Visualisation iOS App availablility
Apparently you can use the share button in safari on iphone to put a page on the home screen of you iphone! I just did it for m...

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Visualisation iOS App availablility
I usually use the browser on my phone to interact with ThingSpeak, I can see most of what I need to there. In some cases, Ive w...

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Has anybody managed to talk to ThingSpeak on an Arduino R 4 (wifi)?
If you want to go without the library, this example shows how to write the HTTP commands somewhat directly without the ThingSpea...

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Showing data from different channels on a map
MATLAB visualization plots in ThingSepak can do some of this, but you wont be able to get the interactivity you are looking for ...

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Maximum number of fields per channel in ThingSpeak
@Abbas You can definitely get help here on MATLAB Answers or oh theThingSpeak community. If you have an academic or commercial l...

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How to send notifications to Pushbullet via Thingspeak
Yes. Pushbullet has a developer API. You can use MATLAB analysis app to write MATLAB code to communicate with the PushBullet ap...

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It seems that data is not recorded
There was a short downtime for ThingSpeak on July 19 from approximentally 6 am UTC until 10am. You can always see the present s...

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how to send data from excel sheet to thingspeak automatically
Probably the best way would be to use MATLAB installed on your machine. You can use ThingSpeak write and automate a process in...

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Data loss and latency issues from Node Red to ThingSpeak channel.
The most likely cause of lost data is sending too fast. If you are using a free account or using the bulk write endpoint, the mi...

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Is it possible for the public user to extract all the data?
Also here is the API call for read data documentation. use the parameters for results or days or minutes, daterange to control ...

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Setting up Thingspeak on a Raspberry Pi as a local server
Unfortunately, MathWorks does not support the installation of the self hosted version of ThingSpeak. That version was created be...

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MQTT clientID, USER and Password
Have a look at the MQTT API page. The MQTT basics pageshows you the parameters you need as well as the publish and subscribe pag...

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I am un unable to select a field when creating an image widget, what can i do?
If you have a student, commercial, or academic ThiingSpeak license, you can create an image channel. The image channels you cre...

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esp8266 isn't reading or writing on the field
If your connection is failing, that would explain why you aren't getting the correct values. One thing I have found with the ESP...

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thingsspeak license vs matlab license
Have a look at this MATLAB answer.

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Http post json to thingspeak from Arduino using GPRS via GSM module
My guess on the five entries limit is the size of the data buffer used in your communication library. (either the arduino or the...

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Why is nothing happening when I upload csv file in ThingSpeak?
To import data into ThingSpeak from a csv file, the format is very specific. Here is a doc page that describes the process. Ther...

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I cant create channels
There was a short outage that may have effected newly signed up users. The issue was fixed shortly after this post.

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thingspeak values for real time data of my IOT weather station are displaying as zero.
In the upload() section, I would suggest you try hard coding values instead of value_1, etc. Like this ThingSpeak.writeField(Ch...

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Can I Send a Image to Thingspeak from Mobile device via any app(suggest a way)
I reccomend using MATLAB mobile. Here is an example to capture an image from the camera. Then save your file and it will be a...

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MQTT subscription via Nodered connected but no data
The MQTT subscription service was purged and restarted today just after 1 p.m, and is now working as expected. No messages sent ...

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MQTT subscription via Nodered connected but no data
We had a reset of the system on Friday. Can you please try again and let us know if you are still having this issue today?

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TimeControl (ThingSpeak) stopped running
TimeControls are working fine as of May 8 12:45 UTC. If you continue to see missing TimeControls, please comment here.

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How i can change time zone on graphics in MATLAB?
Here is one suggestion: https://www.mathworks.com/support/search.html/answers/499985-change-matlab-visualization-timezone.html?...

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Bulk update with thingSpeakWrite to a specified field
myDates=datetime(2023,1,1):days(1):datetime(2023,1,10) nullVec=string.empty(10,0); myNums=1:10; myTimeTable=table(myDates',nu...

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Cannot get arduino voltage data to upload to Thingspeak
The Uno R3 cannot make HTTP requests without an ethernet or wifi connection. It is not able to send those requests through a USB...

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