Christopher Stapels

MathWorks

Last seen: Today | Aktiv seit 2016

Followers: 1 Following: 0

Nachricht

Statistik

All

Abzeichen anzeigen

Feeds

Gelöst

String Logic 19
Examples: 'DIG' --> 'I' 'IMPORTANT' --> 'MOTN' 'DEAL' --> 'EL' 'LIMB' --> 'IB' 'MOSTLY' --> 'OTY'

19 Tage vor

Gelöst

Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

19 Tage vor

Gelöst

Find out sum and carry of Binary adder
Find out sum and carry of a binary adder if previous carry is given with two bits (x and y) for addition. Examples Previo...

19 Tage vor

Gelöst

Convert given decimal number to binary number.
Convert given decimal number to binary number. Example x=10, then answer must be 1010.

19 Tage vor

Gelöst

Create a cell array out of a struct
Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column: in: ...

20 Tage vor

Beantwortet
Can't send data from ChirpStack to TS
You don't seem to have included any data, at least in what you have shown above. If you are including data and you see the numb...

21 Tage vor | 0

Beantwortet
401 error code when trying to bulk-write to Thingspeak using AT-COMMAND
The bulk endpoint requires a somewhat complex syntax. Check out the bulk JSON update page here. You aren't providing all the c...

21 Tage vor | 0

Beantwortet
Error sending data to ThingSpeak - Data Intervals??
Generally I'd look at the code. ThingSpeak will only reject your data if you send it too fast or format it wrong, but it seems ...

22 Tage vor | 0

Beantwortet
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...

etwa 2 Monate vor | 1

| akzeptiert

Beantwortet
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...

2 Monate vor | 0

Beantwortet
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...

2 Monate vor | 0

Beantwortet
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. ...

2 Monate vor | 1

Beantwortet
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.

2 Monate vor | 0

Beantwortet
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.

3 Monate vor | 1

| akzeptiert

Beantwortet
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...

3 Monate vor | 1

| akzeptiert

Beantwortet
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...

3 Monate vor | 0

Beantwortet
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...

3 Monate vor | 1

Beantwortet
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...

3 Monate vor | 0

Beantwortet
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...

3 Monate vor | 1

Beantwortet
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...

3 Monate vor | 0

Beantwortet
GAUGE DOES NOT WORK CORRECTLY
Please follow this post.

3 Monate vor | 0

Beantwortet
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...

4 Monate vor | 0

Beantwortet
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...

4 Monate vor | 0

Beantwortet
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...

4 Monate vor | 0

| akzeptiert

Beantwortet
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 ...

4 Monate vor | 0

Beantwortet
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...

4 Monate vor | 0

Beantwortet
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...

5 Monate vor | 0

Beantwortet
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...

5 Monate vor | 1

Beantwortet
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...

5 Monate vor | 0

Beantwortet
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 Monate vor | 0

Mehr laden

Christopher Stapels

MathWorks

Statistik

Community

Community

MATLAB Answers

MATLAB Answers

Cody

Cody

ThingSpeak

File Exchange

File Exchange

MATLAB Answers

MATLAB Answers

Cody

Feeds