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Christopher Stapels


Last seen: 3 days ago

MathWorks

147 total contributions since 2017

Marketing Manager, ThingSpeak and Mass Market Hardware

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Answered
Read database from cloud-storage (dropbox or onedrive) to Thingspeak
I used dropbox for the image on this channel. Here is the MATLAB visualization code. If you are using Dropbox, the key part i...

20 days ago | 0

Answered
Display the result of Matlab workspace in Thingspeak
You can use the MATLAB visualizations app to generate this visualization. Write your data to two consecutive fields in a channe...

20 days ago | 0

Answered
error connecting to the server MQTT
Are you cereating a unique user name, or using the same one every time?

28 days ago | 0

Answered
Configure header and connection address.
The headers and connection address seem correct. I might take the ZZ out of "content-type". You can see more information at th...

1 month ago | 0

Answered
ThingSpeak Data Analysis answer is always NaN
If there is no data in the last 120 minutes, this will return empty, and make the average NaN. humidity = thingSpeakRead(readCh...

3 months ago | 1

Answered
ThingSpeak Google Gauge name does not show UTF-8 coding correctly
The fix is live, please check it out. I have a widget with Scandinavian letters in the title. https://thingspeak.com/channe...

3 months ago | 1

| accepted

Submitted


IoT Data Explorer for ThingSpeak and MATLAB
A MATLAB app to visualize ThingSpeak data. Make time comparisons of your data, retime data, and export data.

3 months ago | 28 downloads |

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Answered
Display in small window
I used appdesigner in MATLAB. I put the following code in the startup function. It updates every 10 seconds. Plus, the window ...

3 months ago | 0

Answered
MATLAB Visualization for Thingspeak
There must have been some confusion on which products require the paid license. In this case, a paid license for ThingSpeak is n...

4 months ago | 0

| accepted

Answered
How to calculate data with price rate for water consumption.
This sounds like a very interesting project. I wonder what sensor you are using to track the water consumption. It sounds like ...

4 months ago | 0

| accepted

Answered
Things speak data upload from sensors at the same time issue
A single update is generally limited to 8 fields, plus locaton and status information. There are a few ways to achieve the effe...

4 months ago | 1

| accepted

Channel


duck pond info
Here is the description

5 months ago

Answered
MQTT subscribe gets no data back
Can you try connecting with another desktop based broker (MATLAB has one) or MQTTFx to make sure you have all the api keys corre...

5 months ago | 0

Answered
How do i send multiple emails to different people using the Thingspeak Matlab Analysis
You can only send emails to your own account, to prevent misuse of the system. You could use a particular code in the email an...

5 months ago | 0

Answered
Save React button disabled when Edit React
We have created a fix for this issue and will release a patch in an upcomming release. In the meantime, the easiest work around...

5 months ago | 0

Answered
Bulk CSV upload to ThingSpeak with Python
When I write write_api_key=xxxxxxxxxxxxxxxx&time_format=absolute&updates=2020-04-03T10:26:23+0100,1.2,2.3,3,4,5,6,7,8,42.0,0.5,...

6 months ago | 1

| accepted

Answered
Bulk CSV upload to ThingSpeak with Python
You put the values from the csv file into the params. so if your csv file says date, field1, field 2, 2020-01-01 12:00:00,10,...

6 months ago | 1

Answered
Bulk CSV upload to ThingSpeak with Python
The documentation page explains where to put the channel ID. The Hackster article you mentioned on the forum is the correct one...

6 months ago | 2

Answered
Can we upload image to Thingspeak?
At present, it is not easy to upload images to ThingSpeak. You could break it up into multiple fields and feeds, but it would r...

6 months ago | 0

| accepted

Answered
Use Thingspeak to read data from a password protected website
I tried to visit my.solytic and the apge timed out, but that might be because I dont have an account. I went to https://www.sol...

6 months ago | 0

Answered
Other drones besides Parrot Mambo FPV
We have just released the MATLAB Support Package for Ryze Tello Drones . You can see examples in the Support Package Documentat...

6 months ago | 4

Answered
how i can add Robotics System Toolbox in ThingSpeak
Unfortunately, Robotics System is not presently supported in ThingSpeak. You can see Access MATLAB Add-On Toolboxes for the co...

7 months ago | 0

Answered
how can i see matlab simulink data in thingspeak
You can use the ThingSpeak Output block to write data to a ThingSpeak field. You could use the thingSpeakWrite function in yo...

7 months ago | 1

Answered
Thingspeak graphical user interface
No graphical knobs, but this one: Create Customized ThingSpeak Channel View and the Lamp Indicator widget cover much of what you...

7 months ago | 0

| accepted

Answered
How can I add multiple data from arduino to one field on Thingspeak?
Have a look at this tutorial: Compare Temperature Data from Three Different Days. It describes one of the template codes availa...

7 months ago | 0

Channel


Control 3

7 months ago

Channel


Battery 3

7 months ago

Channel


Simulink Servo Model Result

7 months ago

Channel


Simulink Servo Model setting

7 months ago

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