Published
ThingSpeak Now Supports MATLAB Swarm Scatter Charts
ThingSpeak automatically gives you access to the latest MATLAB features from the latest MATLAB release. MATLAB R2020b now...
4 years ago
Solved
Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...
4 years ago
Solved
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
4 years ago
Published
Explore ThingSpeak IoT Data Using a MATLAB App
ThingSpeak users frequently ask how to build customized views for their ThingSpeak data. The channel view provides...
4 years ago
Question
Who is using the MATLAB Discord channel?
Is anyone using the MATLAB Discord channel?
4 years ago | 3 answers | 3
3
answersAnswered
Putting a code open source
You can share your open source MATLAB project via GitHub and then peer it to File Exchange. This will get you maximum reach and ...
Putting a code open source
You can share your open source MATLAB project via GitHub and then peer it to File Exchange. This will get you maximum reach and ...
4 years ago | 3
Answered
Upload trained machine learning model to Thingspeak
There is a "Developing an IoT Analytics System with MATLAB, Machine Learning, and ThingSpeak" paper linked from the ThingSpeak w...
Upload trained machine learning model to Thingspeak
There is a "Developing an IoT Analytics System with MATLAB, Machine Learning, and ThingSpeak" paper linked from the ThingSpeak w...
5 years ago | 1
| accepted
Published
One Million ThingSpeak Channels!
Christopher Stapels, the product marketing manager for ThingSpeak, told me that we crossed ONE MILLION CHANNELS of IoT data...
5 years ago
Answered
License Manager Error -9 Your username does not match the username in the license file.
The best way to resolve a License Manager Error -9 is by reactivating MATLAB with the activation client. Linux The activation ...
License Manager Error -9 Your username does not match the username in the license file.
The best way to resolve a License Manager Error -9 is by reactivating MATLAB with the activation client. Linux The activation ...
5 years ago | 33
Answered
Translation R code to Matlab
I don't have a direct answer, but you could use a COM-based interface to call your R function from within MATLAB. There is a pro...
Translation R code to Matlab
I don't have a direct answer, but you could use a COM-based interface to call your R function from within MATLAB. There is a pro...
5 years ago | 0
Published
Send Email Alerts from ThingSpeak
For this post, I would like to introduce Christopher Stapels as our guest blogger. Christopher builds lots of cool IoT...
5 years ago
Answered
How to fix this error on Matlab analysis for your email notification?
Is your channel private? If so, then you need to supply a Read API Key with the URL. url=strcat('https://api.thingspeak.com/cha...
How to fix this error on Matlab analysis for your email notification?
Is your channel private? If so, then you need to supply a Read API Key with the URL. url=strcat('https://api.thingspeak.com/cha...
5 years ago | 1
Answered
How to read data from your thingspeak on Matlab Analysis
I would start with thingSpeakRead function in MATLAB. data = thingSpeakRead(12397,'Fields',[1,4],'NumPoints',3,'OutputFormat','...
How to read data from your thingspeak on Matlab Analysis
I would start with thingSpeakRead function in MATLAB. data = thingSpeakRead(12397,'Fields',[1,4],'NumPoints',3,'OutputFormat','...
5 years ago | 0
Answered
How to read data in thingspeak using rest client?
Hi. You are close. You also need to provide a Read API Key. https://api.thingspeak.com/channels/929272/feeds.xml?results=4&ap...
How to read data in thingspeak using rest client?
Hi. You are close. You also need to provide a Read API Key. https://api.thingspeak.com/channels/929272/feeds.xml?results=4&ap...
5 years ago | 0
Answered
i am sending the data from RTC through arduino to thingspeak. the data sent is shown in the serial monitor but cant see any graph on thingspeak.
I would start by combining all of the update requests into one request. String secData = "GET /update?api_key="+ myAPI +"&"+ ...
i am sending the data from RTC through arduino to thingspeak. the data sent is shown in the serial monitor but cant see any graph on thingspeak.
I would start by combining all of the update requests into one request. String secData = "GET /update?api_key="+ myAPI +"&"+ ...
5 years ago | 0
Published
Collect and Visualize Agricultural Data using The Things Network and ThingSpeak
Long-range wireless communication technology enables the transfer of sensor data over a long distance while using low-power...
5 years ago
Channel
Weather and level station
Weather and level station using the Sentient Things IoT Node
5 years ago
Published
Analyze and Visualize Air Quality Data with MATLAB
Have you ever wondered if the air around you is healthy? It is possible to understand air quality by using MATLAB to...
5 years ago
Answered
ThingSpeak noncommercial channel limits
50% complete refers to how much of the channel settings that you have specified. If you add a description, tags, field labels, a...
ThingSpeak noncommercial channel limits
50% complete refers to how much of the channel settings that you have specified. If you add a description, tags, field labels, a...
6 years ago | 2
| accepted
Answered
get local temperature into thingspeak
Try weather.gov and passing in decimal degrees location for your city. natickWeather = webread('http://forecast.weather.gov...
get local temperature into thingspeak
Try weather.gov and passing in decimal degrees location for your city. natickWeather = webread('http://forecast.weather.gov...
6 years ago | 0
Answered
thingspeak read --> stock in a variable --> use this variable in thingspeakwrite ? possible ?
I would try this using the MATLAB Analytics app. The MATLAB Analytics app can be scheduled to run periodically. Also, on the lin...
thingspeak read --> stock in a variable --> use this variable in thingspeakwrite ? possible ?
I would try this using the MATLAB Analytics app. The MATLAB Analytics app can be scheduled to run periodically. Also, on the lin...
6 years ago | 0
Answered
ThingSpeak don't update channel automatic
I would write to a second ThingSpeak channel instead of writing data back to the same channel. The reason is that ThingSpeak wil...
ThingSpeak don't update channel automatic
I would write to a second ThingSpeak channel instead of writing data back to the same channel. The reason is that ThingSpeak wil...
6 years ago | 0
Answered
Thingspeak bulk update csv problem
What URL are you sending the POST request? For this format, you need this URL: https://api.thingspeak.com/channels/XXXYYY/bulk_u...
Thingspeak bulk update csv problem
What URL are you sending the POST request? For this format, you need this URL: https://api.thingspeak.com/channels/XXXYYY/bulk_u...
6 years ago | 1
| accepted
Published
Predictive Maintenance: From Development to IoT Deployment
Interest in predictive maintenance is increasing as more and more companies see it as a key application for data analytics...
6 years ago
Channel
Google Scholar Citations
Tracking my Google Scholar Citations over time using MATLAB + TimeControl
6 years ago
Published
ThingSpeak Library for Arduino
The ThingSpeak team has released an updated version of the ThingSpeak Communication Library for Arduino, ESP8266, and ESP32...
6 years ago
Answered
Hough transform from scratch using MATLAB code to detect a line
Do you have access to the book, "Digital Image Processing Using MATLAB"? Consider the normal representation of a line: x cos(th...
Hough transform from scratch using MATLAB code to detect a line
Do you have access to the book, "Digital Image Processing Using MATLAB"? Consider the normal representation of a line: x cos(th...
6 years ago | 0