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I want to send my ultrasonic sensor data on thing speak through arduino programming using esp32 microcontroller . but it is not sending the data on thingspeak.
Please try writing using the browser once so there is at least some data in your channel. See the api keys tab of your channel ...

8 meses hace | 0

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Im not able to csv file into the cloud.Each time I get a timestamp error. I have tried all the format thats given on the site. But each time I get "no rows imported"
Your file has a bunch of extra commas at the end, ThingSpeak is seeing these as several entries with the same timestamp. Remov...

8 meses hace | 0

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pack more information into a single field
Fo the concepts, I really reccomend some time with the documentation. I would suggest you use multiple channels, this will ma...

9 meses hace | 0

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Can the React App trigger 2 thinghttp requests simultaneously?
Use React to trigger MATLAB analysis, then you can write many actions in the code. webwrite and webread should let you intereact...

9 meses hace | 1

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Sending all fields data with Mqtt
Yes, there is a multiple field syntax. See the publish to channel field doc. In the Payload pane, use the following settings...

10 meses hace | 0

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single variable to overwrite in thingspeak
This is a bit convoluted, but It can give you a somewhat more rapid response within a few seconds. ThingSpeak doesnt have a vari...

10 meses hace | 0

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ThingSpeak not downloading historical data
Also, ThingSpeak presently has a temporary data degradation. See this post in the community for more information

10 meses hace | 0

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MQTT support for zephyr
Here is the MQTT documentation for ThingSpeak. Let us know what issues you are havng and we can suggest some steps to take.

10 meses hace | 0

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tengo 14 sensores y thinspeak solo permite 8 campos por canal, que opciones tengo
One way is to use two channels. If you want to display the data from both channels at once, you can create custom MATLAB visual...

10 meses hace | 0

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I cannot get column display in standard graph
See this post now and in the future for updates.

10 meses hace | 0

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How to delete all data of a channel are older than a date using a request.
There is not an API command to selctively delete specific points. You can clear all channel data at once with the API and with ...

10 meses hace | 0

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how to send and receive text/string data automatically in IoT page?
ThingSpeak treats most data as strings until you try to plot or do math with them, so you should be fine with your special chara...

10 meses hace | 0

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receive and export data at the same time
I think your questions are fundamentally programming questions, they dont have much to do with ThingSpeak exactly. I reccomend ...

10 meses hace | 1

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Redirecting you back to the application, Thingtweet and twitter
ThingTweet is no longer operational as a result of X / Twitter API v1.1 deprecation.

10 meses hace | 0

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Matlab Drive, almacenamiento de imagen de thingspeak.
At present, you can only read the latest image using the image widget on your channel view. Deleting the image channels on Thin...

10 meses hace | 0

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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.

11 meses hace | 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...

11 meses hace | 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...

11 meses hace | 1

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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...

11 meses hace | 0

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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...

11 meses hace | 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...

12 meses hace | 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.

12 meses hace | 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...

12 meses hace | 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...

12 meses hace | 1

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

12 meses hace | 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 ...

12 meses hace | 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...

alrededor de 1 año hace | 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...

alrededor de 1 año hace | 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' ...

alrededor de 1 año hace | 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...

alrededor de 1 año hace | 0