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Hans Scharler


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MathWorks

205 total contributions since 2011

IoT Engineer @thingspeak

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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 ...

20 días ago | 0

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...

20 días 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...

alrededor de 1 mes ago

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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...

2 meses ago | 0

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','...

2 meses 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...

3 meses 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 +"&"+ ...

4 meses 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...

4 meses ago

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Weather and level station
Weather and level station using the Sentient Things IoT Node

5 meses 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...

7 meses ago

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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...

9 meses ago | 0

| 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...

9 meses 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...

9 meses 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...

10 meses 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...

10 meses 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...

10 meses ago

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Google Scholar Citations
Tracking my Google Scholar Citations over time using MATLAB + TimeControl

11 meses ago

Channel


My Contributions to MATLAB Central
Tracking my contributions to MATLAB Central

12 meses ago

Channel


Framingham, MA Temperature
The temperature in Framingham, MA

12 meses ago

Published


ThingSpeak Library for Arduino
The ThingSpeak team has released an updated version of the ThingSpeak Communication Library for Arduino, ESP8266, and ESP32...

alrededor de 1 año ago

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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...

alrededor de 1 año ago | 0

Published


Deep Learning and IoT at University of Louisiana at Lafayette Science Day
This is a guest post by Diamond Blackwell, ACM-W President at the University of Louisiana at Lafayette. On Friday, October...

alrededor de 1 año ago

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Deep Learning and IoT Workshop at GHC 18, Grace Hopper Celebration of Women in Computing
Dear friends, we: Louvere Walker-Hannon, an application engineer who assists customers doing deep learning and data...

más de 1 año ago

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Libelium Now Supports ThingSpeak with MATLAB enabled IoT Analytics
Libelium makes the Meshlium IoT Gateway that supports commercial IoT systems and sensor applications such as waste...

más de 1 año ago

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Published


Create and Train a Feedforward Neural Network
We have published an example in the ThingSpeak documentation that shows you how to train a feedforward neural network to...

más de 1 año ago

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Introducing ThingSpeak Gauges!
The ThingSpeak IoT has been building a new framework to support widgets on channel views. Widgets can be added to the...

más de 1 año ago

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Published


ThingSpeak Now Supports the Predictive Maintenance Toolbox for MATLAB
The ThingSpeak team has integrated the Predictive Maintenance Toolbox for MATLAB into the IoT Analytics features of...

casi 2 años ago

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Answered
Having trouble with upload delay in thingspeak
Free ThingSpeak user accounts have a 15 second rate limit. Paid options, commercial for example, have a 1 second rate limit. ...

casi 2 años ago | 0

Published


Organize Your ThingSpeak IoT Channels with Tags!
I am excited to announce a number of new features that are available to all ThingSpeak users. We added the ability for...

casi 2 años ago

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Discussions About How to Use MATLAB and Arduino on the MATLAB Maker Community
As most of you know I love building IoT projects. Most of these maker projects use an Arduino, Particle, or Raspberry Pi,...

casi 2 años ago

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