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Hans Scharler


Last seen: Today

MathWorks

216 total contributions since 2011

IoT Engineer @thingspeak

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  • Thankful Level 3
  • Knowledgeable Level 2
  • First IoT Channel
  • MATLAB Analytics
  • Community Champion
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Contributions in
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Answered
posting field values within few seconds fails
The free ThingSpeak account tier has an update rate limit of 15 seconds. You can send both field values in one update. fie...

8 Tage ago | 1

Question


Are you a startup?
I wanted to see if any of you are a part of a startup, represent an accelerator, or an entrepreneur. Let me know below or feel f...

21 Tage ago | 0 answers | 0

0

answers

Published


Staying Connected with CheerLights and ThingSpeak
This time of year is about staying connected, maybe more so this year than with previous years. CheerLights is an IoT...

2 Monate ago

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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...

5 Monate ago

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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...

5 Monate ago

Solved


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

5 Monate 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...

5 Monate ago

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Question


Who is using the MATLAB Discord channel?
Is anyone using the MATLAB Discord channel?

7 Monate ago | 2 answers | 1

2

answers

Answered
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 ...

7 Monate ago | 0

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...

11 Monate 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...

11 Monate ago

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Channel


Channel 1000207

etwa ein Jahr 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 ...

etwa ein Jahr ago | 9

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...

etwa ein Jahr 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...

etwa ein Jahr 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...

etwa ein Jahr 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','...

etwa ein Jahr 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...

etwa ein Jahr 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 +"&"+ ...

mehr als ein Jahr 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...

mehr als ein Jahr ago

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Channel


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

mehr als ein Jahr 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...

mehr als ein Jahr 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...

mehr als ein Jahr 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...

mehr als ein Jahr 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...

fast 2 Jahre 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...

fast 2 Jahre 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...

fast 2 Jahre 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...

fast 2 Jahre ago

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Channel


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

fast 2 Jahre ago

Channel


My Contributions to MATLAB Central
Tracking my contributions to MATLAB Central

fast 2 Jahre ago

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