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Christopher Stapels


MathWorks

46 total contributions since 2017

ThingSpeak Documentation Writer
and LCH enthusiast

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  • Knowledgeable Level 2
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  • Revival Level 2
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Answered
viewing all channel fields in one frame(tabular form) with all refreshed values
Start with the Get started tutorial.That will help you get oriented with the basic functionality of ThingSpeak. Then you can br...

1 jour ago | 0

Answered
viewing all channel fields in one frame(tabular form) with all refreshed values
You can create a MATLAB visualization and use uitable. myT = thingSpeakRead(1417,'outputformat','table','numminutes',200); arr...

3 jours ago | 0

Answered
How can I read an image from my dropbox account ?
I have sucessfully read an image into ThingSpeak from dropbox. You can see an example near the bottom of channel 876466. There i...

10 jours ago | 0

Channel


Things Network Integration Data

18 jours ago

Answered
Thingspeak license along with academic license of MATLAB
Thanks for the information on your project. You might be able to use the bulk write feature to send multiple instructions at onc...

22 jours ago | 0

Answered
Thingspeak license along with academic license of MATLAB
Can you tell us more about your project? We are alwatys interested in new uses for ThingSpeak.

22 jours ago | 0

Answered
Using the basic templates, I have to customize my graphs twice - once for private and again for public - I'll attach screen captures - your prior instructions didn't work for me
At present it is not possible to copy the ThingSpeak field plot settings from the public view to the private view. I would recc...

environ un mois ago | 1

Answered
ThingSpeakWrite() limit only 33% more in Home version than free, should that be?
A side note: "URL is incorrectly formed,..." generally comes from writing non unique timestamps to a ThingSpeak channel. You ca...

environ un mois ago | 0

| accepted

Answered
I HAVE 32 SENSORS AND I WANT TO SEND SENSORS VALUE IN THINGSPEAK USING GPRS BUT IT IS NOT DONE HOW CAN I SEND?
Unfortunately, it is not possible to update 32 fields across four channels in one command. You can use four commands with the s...

2 mois ago | 1

Answered
how to do analytics over imported data in thingspeak
What would you like to analyze about the data?

4 mois ago | 0

Channel


apiTest2

6 mois ago

Channel


MQTT SubPub test

7 mois ago

Answered
Guru Meditation exception during publishing values to thing speak
You should also be able to update the value of a ThingSpeak field using the REST API. The MQTT connection is intended to be ve...

8 mois ago | 0

Answered
matlab and thingspeak manipulate data before plotting
I would recommend setting up a new channel. Then you can set a react to call a MATLAB analysis to write the data to the new cha...

environ un an ago | 0

| accepted

Channel


Battery Voltage
0.4871=12.84 12.82 -0.551 on 8-25-2109

environ un an ago

Channel


WorkTime

environ un an ago

Channel


West Garage Air Quality Monitor (PA)

plus d'un an ago

Channel


Soil Monitor Data Summary
Time aligned data

plus d'un an ago

Channel


Daily Stock Data
Google Stock values compiled daily.

plus d'un an ago

Channel


Home Temp Time

plus d'un an ago

Solved


A Simple Tide Gauge with MATLAB
*&#8767 &#8767 &#8767 &#8767 &#8767 &#8767 &#8767 &#8767* You are standing in a few inches of sea water on a beach. You a...

plus d'un an ago

Solved


5 Prime Numbers
Your function will be given lower and upper integer bounds. Your task is to return a vector containing the first five prime numb...

plus d'un an ago

Answered
I want to calculate the derivative of a channel. Can you suggest the best way to do so.
One way would be to use an instance of the React App to test if field 2 has a value in it, perhaps "if field2 < 0". Then have t...

plus d'un an ago | 0

Channel


MyCar Count Channel

presque 2 ans ago

Answered
Thingspeakwrite error when using string array
When you write string data to ThingSpeak, it generally wants to have a cell array. You should not usually need to do the Strin...

presque 2 ans ago | 0

| accepted

Channel


Lights1
kitchen lights control

presque 2 ans ago

Solved


Make an awesome ramp for a tiny motorcycle stuntman
Okay, given a vector, say v=[1 3 6 9 11], turn it into a matrix 'ramp' like so: m=[1 3 6 9 11; 3 6 9 11 0; 6 9 ...

presque 2 ans ago

Solved


Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...

presque 2 ans ago

Answered
No more plot although no errors
As of December 14, your channel has recent values in it. I think the NaN values between real values are making the plot scale u...

presque 2 ans ago | 0

| accepted

Channel


HomeTemp1

presque 2 ans ago

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