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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...

5 maanden ago | 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

5 maanden ago | 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.

5 maanden ago | 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...

6 maanden ago | 0

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

6 maanden ago | 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 ...

6 maanden ago | 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...

6 maanden ago | 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 ...

6 maanden ago | 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.

6 maanden ago | 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...

6 maanden ago | 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.

7 maanden 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...

7 maanden 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...

7 maanden ago | 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...

7 maanden 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...

7 maanden 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...

7 maanden 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.

8 maanden 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...

8 maanden 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...

8 maanden ago | 1

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

8 maanden 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 ...

8 maanden 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...

8 maanden 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...

8 maanden 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' ...

9 maanden 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...

9 maanden 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. ...

9 maanden ago | 0

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

9 maanden 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...

9 maanden 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...

9 maanden 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...

9 maanden ago | 0