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Vinod

MathWorks

Last seen: 3 dagen ago Active since 2011

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Answered
Cant view my data on thingspeak app
I recommend starting with the example here as a starting point for your code. The ThingSpeak library on Github is to help users ...

6 dagen ago | 0

Answered
Connection between Codesys and Thingspeak
From our server logs it looks like the publish and subscribe topics are invalid. Codesys seems to convert the "/" character in t...

12 dagen ago | 0

Answered
want to download files from dropbox to a local computer using websave
The MATLAB function on FileExchange is a pure MATLAB solution and does not require you to write Dropbox apps. Please install the...

24 dagen ago | 0

Answered
How much data it can store for how long
Please take a look at the ThingSpeak license FAQ that answers your questions.

ongeveer 2 maanden ago | 0

Answered
I want to know MQTT API Key
Please read the <https://www.mathworks.com/help/thingspeak/channels-and-charts-api.html documentation> and examples on how to us...

2 maanden ago | 0

Answered
Thingspeak 301 Error with NodeMCU (ESP8266) [writing to multiple channels]
I believe this is because of DNS caching somewhere on your end. See this thread for information. Also see this thread, which get...

2 maanden ago | 0

| accepted

Answered
I want to send data to Thingspeak using proteus 8 professional
I think that is a great question for the makers of Proteus 8!

3 maanden ago | 0

Answered
I want to send data to ThingSpeak using Arduino
The question title says "I want to send data to ThingSpeak using Arduino", which is answered by the answer here. If you are int...

3 maanden ago | 1

Answered
why do I get the error "Problem updating channel. HTTP error code -301" when connecting the esp board and trying to transfer the data to thingspeak
Have you tried a different network than your phone's wifi hotspot? Do you still get 301 status code on that?

3 maanden ago | 0

| accepted

Answered
Can not connect to ThingSpeak MQTT broker using MQTT X Client
If you're connecting over Secure MQTT, you need to use port 8883, not port 1883 as your screenshot shows.

3 maanden ago | 0

| accepted

Answered
can I send the things speak data to a wordpress website?
You can host the ThingSpeak chart inside of your wordpress site. See this blog entry. There are 3rd party plugins also available...

4 maanden ago | 1

Answered
MQTT X and thingspeak - lost connection
Here's the settings you need to connect with MQTTX:

4 maanden ago | 0

Answered
Migrating my existing ThingSpeak channel to new MQTT server
If you have 2 devices publishing to the same channel, one with the legacy mqtt connection and another with mqtt3 connection, but...

4 maanden ago | 0

Answered
I am trying to publish data through desktop MQTT Client, but it's get connected but when I am doing subscribe it says connection lost?
If the connection is being dropped when you attempt to subscribe, it is most likely you are subscribing to an incorrect topic, o...

4 maanden ago | 0

Answered
how to embed matlab script in website ?
You may want to look at MATLAB Production Server and MATLAB Web App Server to build something like what you describe.

5 maanden ago | 0

Answered
How to send by HTTP method (POST) many values to one field with diferent timestamps?
I think you are looking to collect a bunch of data and upload a number of points in a single POST request. Take a look at this d...

5 maanden ago | 0

| accepted

Answered
Can we create dashboard and shared with a customer in ThingSpeak ? what is count for paid version ?
Take a look at the answer to this question: https://www.mathworks.com/matlabcentral/answers/740952 and this answer as well

5 maanden ago | 0

| accepted

Answered
API call from postman to Matlab.
I think you will find this documentation helpful: https://www.mathworks.com/help/matlab/ref/webread.html

5 maanden ago | 0

Answered
Thingspeak : account creation / login issue
There are no known issues at this time. Do you get any errors? Can you share a screenshot of what you see when you try to lo...

6 maanden ago | 0

Answered
When connecting the second MQTT client to the Thingspeak channel, the connection is first bursting.
If you are using the same triplet of clientid, username and password on multiple devices,only the last connected device will sta...

6 maanden ago | 1

Answered
Bulk upload issue - HTTP Error code 502
@Johannes Kuder: Thank you for posting your question on the ThingSpeak Community. Like @Yongjian Feng says, you should try your ...

6 maanden ago | 1

Answered
From where can I get the access to ThingSpeak MQTT API?
I'd recommend starting by reading the documentation here: <https://www.mathworks.com/help/thingspeak/mqtt-api.html> Also, tak...

6 maanden ago | 0

Answered
LWIP MQTT not connecting
Could you provide more information - what is the client ID of your device? We may be able to look at the server logs given the c...

6 maanden ago | 0

Answered
Can I subscribe my channel(s) with MQTT with a free license?
Yes. Even a free license enables you to publish and subscribe to ThingSpeak channels. Note that you may still only publish to a ...

6 maanden ago | 0

Answered
Downloading data from thingspeak into microbit
ThingSpeak provides <https://www.mathworks.com/help/thingspeak/read-data-from-channel.html an API to read data> stored in your c...

6 maanden ago | 0

Answered
data loss during christmas?
There are no known issues. For example, see this channel: <https://thingspeak.com/channels/12397> Can you try exporting all t...

6 maanden ago | 0

Answered
Thingspeak - status 429 with message "Too Many Requests"
Did you read the note on the help page that says "Users are limited to 2 alerts every 30 minutes. The rate limit is applied when...

6 maanden ago | 1

Answered
Values are getting updated every 15 seconds in thingspeak. How do I lower this time?
Also note that if your license allows you to update a channel once every 15s and you are knowingly wasting resources by having a...

7 maanden ago | 1

Answered
Why I don't get thingspeak update from both DHT11 with 4 field
What have you tried to debug the issue? Have you tried printing the measured readings to your serial port before updating your t...

7 maanden ago | 0

Answered
is there a data upload limit on thinkspeak? for example temperature data uploaded in real time
Your question is similar to this one and the FAQ linked there will answer your questions as well.

7 maanden ago | 1

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