Community Profile

photo

Vinod


Last seen: Today

MathWorks

308 2011 年以降の合計貢献数

連絡する

Vinod's バッジ

  • Thankful Level 2
  • 12 Month Streak
  • Personal Best Downloads Level 3
  • First Review
  • 5-Star Galaxy Level 4
  • First Submission
  • Knowledgeable Level 3
  • Revival Level 3
  • First Answer
  • Solver

詳細を表示...

貢献した分野
表示方法

回答済み
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...

2日 前 | 0

チャネル


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

4日 前

チャネル


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

4日 前

回答済み
Arduino uno + esp8266 as wifi with 2 sensor code failed to send data to Channel
Take a look at my answer to this question.

16日 前 | 0

回答済み
Thingspeak (via ESP8622) is not showing any graphical data from 3 Fields.
I strongly recommend using the ThingSpeak library and starting from the examples provided with it.

17日 前 | 0

| 採用済み

回答済み
ThingSpeak not showing any data from my ESP32!
I strongly recommend using the ThingSpeak library and starting from the examples provided with it.

17日 前 | 1

回答済み
Get data from API (wio link) into thingspeak channel with free online tools
You can use a MATLAB Analysis app on ThingSpeak which uses WEBREAD to read data from your API and then write it to a ThingSpeak ...

21日 前 | 1

| 採用済み

回答済み
ESP8266 ESP-01 intermittently but regularly returning -301 error
I suspect that your router or internet connectivity gateway is caching DNS entries. This results in the request going to an IP a...

22日 前 | 0

回答済み
Bulk update 401. error unauthorized
Nothing has changed on the ThingSpeak end that will cause that. Have a look at the documentation for the bulk_update endpoint. ...

約2ヶ月 前 | 0

回答済み
Not showing the graph in my thingspeak channel
Have you had a look at some of the examples that are part of the ThingSpeak Aruino Library? That would be an excellent starting ...

約2ヶ月 前 | 1

回答済み
Can only access Write API every >15minutes
I suspect something on the device side or the connectivity on the device. Here's how you can confirm: 1) Using your web browser...

約2ヶ月 前 | 0

| 採用済み

回答済み
Fail to Retrieve channel description
Here's a working Arduino Sketch I have tried on an ESP32. It can be modified as needed for your device. #include <WiFi.h> ...

2ヶ月 前 | 0

回答済み
Fail to Retrieve channel description
Have you checked your GSM module to see that it still has data capacity? Nothing has changed on ThingSpeak early August that can...

2ヶ月 前 | 0

回答済み
Selecting specific data to show on Thingspeak graph app
I suspect your MQTT gateway is not formatting the data correctly. Why not directly send the MQTT data to mqtt.thingspeak.com ins...

2ヶ月 前 | 1

回答済み
openstreetmap zoomable map on thingspeak
The functionality to embed a dynamically zoomable open street map on ThingSpeak with user code is not currently available. The d...

2ヶ月 前 | 0

| 採用済み

回答済み
Using Thingspeak React with "dynamic" channels
My recommendation would be to set up a TimeControl that triggers MATLAB code that reads data across all your channels. Your MATL...

3ヶ月 前 | 0

回答済み
Updating Thingspeak channel - multiple devices at same time
A ThingSpeak channel can be updated at most once a second with a paid license, or once every 15 seconds with a free license. If ...

3ヶ月 前 | 1

回答済み
Error 429 for Bulk Update Data using JSON Document: Too Many Requests
Please refer to the documentation for Bulk Update endpoint, specifically "The number of messages in a single bulk-update is limi...

3ヶ月 前 | 1

回答済み
ThingSpeak MQTT omits first field.
I think it is because you are missing an important separator in your request. Try modifying to asprintf(&data, "?field1=%d&fiel...

3ヶ月 前 | 0

チャネル


MQTTTest

3ヶ月 前

回答済み
'controlchart' requires Statistics and Machine Learning Toolbox.
To use the controlchart function in MATLAB visualization apps on ThingSpeak, the account you use to log in to ThingSpeak will ne...

3ヶ月 前 | 0

回答済み
Calculate Dew point Channel 1120609
Can you share your MATLAB code that is doing the dew-point calculation on ThingSpeak? Remember to redact or replace your channel...

3ヶ月 前 | 0

回答済み
how to send thingspeak data to matlab
thingSpeakRead will get your data from ThingSpeak to MATLAB. Are you using MATLAB on your computer, MATLAB Online, or MATLAB Ana...

4ヶ月 前 | 0

回答済み
How to set the time zone in my account
Log in to ThingSpeak and go to the profile page, edit your timezone to what you want and remember to "Update Profile".

4ヶ月 前 | 1

回答済み
MATLAB Visualizations in ThingSpeak
You can upload your files into your MATLAB Drive for sharing. It will require the user to log in to MATLAB Drive to access it. M...

4ヶ月 前 | 1

回答済み
Update of TS data?
What is the status code you get from ThingSpeak when you update your channel? If you are using the Write Data API and get a HTTP...

4ヶ月 前 | 0

| 採用済み

送信済み


Model-Based Design of a SUV Anti-Rollover Control System
Models and literature demonstrating Model Based Design of a SUV Anti-Rollover Control System.

4ヶ月 前 | ダウンロード 4 件 |

Thumbnail

回答済み
Problem sending GPS Data from TTGO T-Call (ESP32) board to Thingspeak using integrated SIM800L.
Try to strip down the example to the minimum to find the source of your issue. Since this is a build issue, I suspect your toolc...

4ヶ月 前 | 0

回答済み
Arduino built in example "WriteMultipleFields" gets error code -301
Have you made sure you're using the latest version of the library? Are you unable to see channel updates with the examples that ...

4ヶ月 前 | 0

回答済み
How do I get ThingSpeak (Channel ID: 1077109) to update the ThingSpeak page automatically every 2 minutes.
The MATLAB visualization will update if you reload the page or visit it again every 5 minutes.

4ヶ月 前 | 0

Load more