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Can ThingSpeak be a good platform for Digital twin? What are the specifications?
Yes, ThingSpeak can be used as an easy to set up digital twin platform. You can find the specifications in the documentation.

5 months ago | 1

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ThingSpeak: The uploaded file was not imported because it is missing timestamps.
I used the data you provided and was able to upload it sucessfully to one of my channels created_at,field1,field2,field3,status...

5 months ago | 0

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Field 1 Chart Options
Thank you for reporting this issue. We are aware of the problem and are working to fix this issue. I plan to report any change...

5 months ago | 1

Answered
Graphics show line chart irrespectively of selecting e.g. column
Thank you for reporting this issue. We are aware of the problem and are working to fix this issue. I plan to report any change...

5 months ago | 0

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Answered
hey, I'm new to this. so the lamp indicator in ThingSpeak is showing "Field not available". It was working fine few days back but not now.
Generally this means the field is inactive or has no data to read. Try using the read last entry api https://api.thingspeak.com...

5 months ago | 0

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what does the message "cacheableLookup ENOTFOUND api.thingspeaks.com" in the Particle photon webhook means?
You added an extra 's' to the end of ThingSpeak, that may be the issue. Particle has a pretty active community, I would ask the...

5 months ago | 0

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Does Thingspeak MQTT broker allow retain?
The publish channel page says you need to set retain to 0. I think that means retain is not supported, Im sorry.

6 months ago | 0

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Error 401 while writing feild to channel from ESP32 WROOM 32
401 is unauthorized, it means you have the wrong api and channel id combo. Use your browser window to update your channel to ma...

6 months ago | 0

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i can't see the data updating in thingspeak but only 1 field can be update in thingspeak and other 3 or not updationg only once it has been update 4 fields. In serialmonitor s
You are using the single write function, you should use the multiple fields write syntax. In your code, you are writing four se...

6 months ago | 1

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Answered
ESP8266 trouble connecting to api.thingspeak.com, but it's weird
Also answered here.

6 months ago | 0

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ESP8266 connection issues but
I've seen ESP8266 with long connection times of 10-15 s, but nothing quite like what you see. I know you have the MQTT devices ...

6 months ago | 0

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How to prevent gauges and graphs to move when scrolling?
If its really important, I would suggest you host them in an iframe on another site. The scrolling behavior is sometimes odd on...

6 months ago | 0

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How do I use "export recent data"
You can use the Read data endpoint with .csv extension. Make sure all the fields on your channel are active in the channel sett...

6 months ago | 0

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Sending out email when event occurs not on some interval
Definitely! Use the React app. You can check the data on a regular schedule (kinda like time control) or use 'on data insert' ...

7 months ago | 0

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Valor de campo no disponible
Here are a few things I notice about your code. You run this line in the setup function, im not sure why. ThingSpeak.setFie...

7 months ago | 0

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how should I take a screenshot of a matlab visualization and send it to myself by email?
You could use the charts API to send a particular field chart. You wont get the custome MATLAB visualizations this way though. ...

7 months ago | 0

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How can I use my Arduino Uno R4 WiFi with ThingSpeak?
I found one example using WiFiS3.h.

7 months ago | 0

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Project Guidance Questions. A water level and rain fall system
Sound terrific. Please let us know how it goes. There is a discussions area in the ThingSpeak community if you wated to have a...

7 months ago | 0

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I keep getting the Compilation error: call of overloaded 'setField(int, double&)' is ambiguous when setting fields in my TS channel
Try setting the value first in this line: ThingSpeak.setField(2, double(PH_LEVEL)); e.g. double myLevel=double(PH_LEVEL); T...

7 months ago | 0

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How can I use my Arduino Uno R4 WiFi with ThingSpeak?
You can absolutely write to ThingSpeak with an Uno R4 wifi. You can use any wifi library (its probably built in) that lets you w...

7 months ago | 0

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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 ...

8 months ago | 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 ...

8 months ago | 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' ...

9 months ago | 0

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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 ...

9 months ago | 2

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Answered
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...

10 months ago | 0

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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...

10 months ago | 0

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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...

10 months ago | 0

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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 ...

10 months ago | 0

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Answered
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...

10 months ago | 0

Answered
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...

10 months ago | 0

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