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Christopher Stapels

MathWorks

Last seen: Today Active since 2016

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Answered
How do I display all the data, not just the last 30 minutes or so
You can use the pencil icon in the upper right of the standard field plots on your ThingSpeak channel to show more data, assumin...

15 days ago | 1

| accepted

Answered
The write channel is same as read channel data. Why the data is not processed?
a = 1:5 for i = 1: length(a) out = i * a(i) end If you read more then one value from your channel at a time, then length...

22 days ago | 0

Answered
Buenas noches, tengo error -301
The 301 error means the library is not able to find a connection that works. Either your conenction parameters are incorrect, or...

29 days ago | 0

Answered
Thingspeak HTTP eror code: -210
You can send data to multiple fields in a single post by adding &fieldx=number to the end of the api call or the mqtt payload. ...

1 month ago | 1

Answered
No longer seeing data from sim800l and pic18f4525
No change in the API. My guess is connectivity. Try moving the device to a new location.

1 month ago | 0

Answered
MATLAB code has not completed execution within the allocated time. Consider optimizing your MATLAB code to execute within the available time limit.
I suggest using thingSpeakRead and the Alerts service. Your code will preform much faster and you wont have these errors.

1 month ago | 1

| accepted

Answered
The write channel is same as read channel data. Why the data is not processed?
length(values1) is 1 so i is 1, and Y1(i) = i * values1(i); just multiplies your value by 1. Perhaps you want to read more tha...

1 month ago | 1

| accepted

Answered
Not connecting to thingspeak
Start with the getting started tutorial. Then make sure you can update your channel via the browser. Then try to update a st...

1 month ago | 0

Answered
Public views requires login
Thanks for reporting this issue. We have a fix in progress, but in the meantime please try the following workaround: Go to the...

1 month ago | 1

Answered
Send more than one value in Field 1. Buffer of values.
We definitely need to change he way you are sending data to ThingSpeak. (I would clear the data and start over) Do you intend t...

1 month ago | 0

Answered
Wo kann ich die kostenlose Lizenz erwerben?
You do not need to purchase anything to use the free version of ThingSpeak. If you are intending to use it for commercial purpos...

1 month ago | 1

Answered
Send more than one value in Field 1. Buffer of values.
ThingSpeak cannot parse the data you have in your field since it has string characters in it. MATLAB can though. First you nee...

1 month ago | 0

Answered
GAUGE DOES NOT WORK CORRECTLY
Please follow this post.

2 months ago | 0

Answered
Sending a danger message on email or phone Number.
Sure, there are several ways to do that using ThingSpeak. The best way is using the alerts API. Jsut set up the alert in Thing...

2 months ago | 0

Answered
Sometimes updates temp others humidity
Yes you can send in one command. See the library examples on write multiple fields. Your code is violating the 15 second rule be...

2 months ago | 0

Answered
How to use Fronius HTTP Post push service to send data to thingspeak
A quick web search does not show great documentation for Fronius push service, but I did find some things. I would use http. U...

3 months ago | 0

| accepted

Answered
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 ...

3 months ago | 0

Answered
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...

3 months ago | 0

Answered
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...

4 months ago | 0

Answered
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...

4 months ago | 1

Answered
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...

4 months ago | 0

Answered
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...

4 months ago | 0

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

4 months ago | 0

Answered
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.

4 months ago | 0

Answered
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...

5 months ago | 0

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

5 months ago | 0

Answered
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 ...

5 months ago | 0

Answered
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...

5 months ago | 0

Answered
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 ...

5 months ago | 1

| accepted

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

5 months ago | 0

| accepted

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