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Vinod


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MathWorks

332 2011 이후 총 참여 횟수

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답변 있음
pulse rate enable interrupt caused esp timeout
First, unless you have a paid ThingSpeak license, trying to update your channel every 5 seconds is a waste of resources. In fact...

4일 전 | 0

답변 있음
Thingspeak.com yelling "getJSON request failed!"
The underlying issue has been fixed. A missing response header from the server caused your browser to not make any XHR requests....

7일 전 | 0

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Can I track how often and who have viewed the shared channel of mine for a day or a month if I shared my private channels with others on ThingSpeak or ThingView?
There are ways to do this -- specifically, you can set up a MATLAB visualization on the channel that when loaded increments a fi...

11일 전 | 2

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답변 있음
Bug in API response, Reading multiple Fields with ESP8266 Arduino Library.
I think looking at the response at one point in time is probably leading you to incorrect conclusions because the channel was up...

11일 전 | 0

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how can i solve this error appears when I try reading position
Your channel is empty, and you are trying to index into an empty array retrieved from the channel. Try this: data = thingSpeakR...

17일 전 | 0

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Connect to Sonoff bridge and temperature sensor
This blog entry has good instructions.

17일 전 | 0

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답변 있음
Sensor data doesn't gets uploaded to thingspeak channel but it show on the serial monitor
If you have not purchased a ThingSpeak license, your maximum update rate is once every 15 seconds. I do not see where you are li...

18일 전 | 0

답변 있음
value not getting uploaded
What troubleshooting have you done? Maybe you are updating your channel faster than once every 15 seconds? Share a link to yo...

22일 전 | 0

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Sending YF-S201 Flow meter data to ThingSpeak cloud
I take it you are using a free ThingSpeak account. This requires you to update the channel less frequently than once every 15s. ...

약 1달 전 | 0

답변 있음
Time one hour less
What is the time zone of your account? You can log in to ThingSpeak and go to the 'My Profile' and see it.

약 1달 전 | 0

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답변 있음
Gauge widget refresh phenomenon
I suspect this is on account of a slow internet connection. The gauge needs to make a request back to the server to update its v...

2달 전 | 0

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Read real time data on raspberry PI
Have you looked at the Raspberry Pi Support Package?

2달 전 | 0

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Read realtime data from ThingSpeak
If you are using MATLAB installed on your computer, you can install the MQTT in MATLAB toolbox, and subscribe to the channel you...

2달 전 | 1

답변 있음
Arduino ESP32 stops posting to ThingSpeak after random times (error -301)
Thank you for trying to eliminate some of the potential issues and posting what you've tried before posting. That certainly help...

3달 전 | 0

답변 있음
Grafana and Thingspeak API
I have this set up like this and it works: 1) Set up the datasource. In my case, I set up a new JSON API with this URL: https:/...

3달 전 | 1

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답변 있음
Inconsistent values on sensor readings
From what I can tell by looking at your channel, the values seem to be within normal variation expected from these sensors. Why ...

3달 전 | 0

답변 있음
Fast and easy plotting of extensive sets of GPS coordinates stored in ThingSpeak
MATLAB has the ability to write CSV, or more generally text files, in any format of your choice. See this documentation page. So...

3달 전 | 1

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Why I get only the last 36 hours?
To keep the application responsive and have a usable experience on the web site, we limit the number of points retrieved to a ma...

3달 전 | 0

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My device sends "1" every 15min, React "On Data Insertion" when Field=1 doesnt Tweet me more than once, why?
Twitter has checks in place to prevent the exact same tweet from being posted frequently. My understanding is this is to limit o...

3달 전 | 1

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Clear Channel-Button doesn't work
The clear channel is an asynchronous operation. If you have a lot of data in your channel, the clearing can take a while and con...

3달 전 | 2

답변 있음
Annual usage is capped?
I think this page and this FAQ will answer this and more questions you may have.

4달 전 | 1

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답변 있음
Channels not updating since license renewal. Error 404 Payment required message
If you renewed your license after the end date, you likely got a new license number. You need to reassociate your channel to thi...

4달 전 | 0

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답변 있음
My Google Gauge is showing blank on thing speak
Why not use the gauge widget? Any particular reason you want the Google gauge, specifically?

4달 전 | 0

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Bug in average calc in API read? (Thingspeak)
A NULL or non-numeric value in a field is "Not a Number" and will be treated as a zero in the averaging in the implementation on...

4달 전 | 1

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Is Thingspeak MQTT reliable?
I just tried this example for a few hours, admittedly it is on a Raspberry Pi, and had reliable results with no "holes" in the d...

4달 전 | 0

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Sending data securely, through thingspeak
ThingSpeak API servers support secure HTTPS and MQTT connections between devices and ThingSpeak. If you are looking for examples...

4달 전 | 1

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답변 있음
Determine number of records availble in a ThingSpeak channel
I'd recommend the best solution is to retrieve data based on date range. Again, keep in mind the response will contain at most 8...

5달 전 | 0

채널


Channel for widget #2 for custom dashboard on Google Sites
Custom dashboard is here: https://sites.google.com/view/mythingspeakdashboard/home

5달 전

채널


Channel for widget #1 for custom dashboard on Google Sites
Custom dashboard is here: https://sites.google.com/view/mythingspeakdashboard/home

5달 전

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