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Madhu Govindarajan


MathWorks

134 total contributions since 2014

I work as a Technical Marketing Engineer at the MathWorks and I focus on hardware connectivity with MathWorks tools. Prior to joining MathWorks, I interned with Honda R&D Americas while working towards a Masters degree in Mechanical engineering at The Ohio State University.

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  • Knowledgeable Level 2
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Answered
Simulink Raspberry Pi "Deploy Hardware" - application not working after RPI reboot
It is intended behavior. If you want to run your application automatically on startup you should modify /etc/rc.local file which...

8 days ago | 0

| accepted

Answered
How to stop a simulink model on a standalone raspberry pi?
What if you follow <https://www.online-tech-tips.com/computer-tips/kill-program-using-command-line/ this page> and try sudo kill...

8 days ago | 0

Answered
How to end loop if value does not change for 10 consecutive seconds
Here is a potential loop that you can use (with some changes here and there) - a = arduino; flag = true; prevVal = 0...

11 days ago | 1

Answered
How to execute a subsystem only once in external mode (TI C2000 SPI peripheral configuration/initialization)
If I am understanding your question correctly, all you are looking for is a way to run initialization routine and then start exe...

19 days ago | 0

Answered
help me to plot live optical pulse sensor value in matlab from arduino uno
Does this video help? https://www.mathworks.com/videos/plotting-live-data-of-a-temperature-sensor-using-arduino-and-matlab-12131...

19 days ago | 0

| accepted

Answered
Blink LED at specify time with Matlab - Arduino
You can use tic and toc for this. When you run tic it starts a stopwatch style timer, you can then use toc to know the elapsed t...

22 days ago | 1

Answered
Run matlab code in raspberry pi
Here is my shot at the answer to your question. Step 1) You will have to look at the documentation of all the functions you ...

25 days ago | 0

Answered
How to import arduino libraries in matlab
Looks like this library can help bring temperature data from the sensor - https://www.mathworks.com/matlabcentral/fileexchange/5...

26 days ago | 0

Answered
Log data Simulink-Arduino Uno on Sd card
Hope this file is all that you are looking for - https://www.mathworks.com/matlabcentral/fileexchange/51710-data-logger-on-ardui...

2 months ago | 0

Answered
Matlab blocks arduino comport
I would recommend something along the lines of cleanup that happens when someone closes the App where you can use this - https:/...

2 months ago | 1

| accepted

Answered
How do I get a real-live distance sensor in Simulink
If you are using HC-SR04 ultrasonic sensor, here is a post that has a block that provides you distance values. https://www.mathw...

3 months ago | 0

Answered
data scaling from sensor
What you need is the 1-D lookup table https://www.mathworks.com/help/simulink/slref/1dlookuptable.html or just the linear in...

3 months ago | 0

Answered
Like to know if there are high schools
Here is a course that uses Arduino and MATLAB for high school kids - https://www.mathworks.com/academia/highschool/courseware/by...

3 months ago | 1

Answered
How to take a picture with raspberry pi in simulink?
Here is a link that I found that I think has the answer, let us know if this works. <https://www.mathworks.com/matlabcentral/ans...

3 months ago | 0

Solved


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

3 months ago

Solved


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

3 months ago

Solved


Is my wife right?
Regardless of input, output the string 'yes'.

3 months ago

Solved


Add two numbers
Given a and b, return the sum a+b in c.

3 months ago

Answered
how to fix problem installing the support package in MATLAB Support Package for Arduino Hardware
I think you will have to contact Technical support of MathWorks and I would recommend talking to the installation team there. Yo...

3 months ago | 0

Answered
How to store some data into sd card of the arduino through MATLAB and also how to get the data back from the arduino through MATLAB?
Here is a file exchange submission that does this with the Data logger shield - https://www.mathworks.com/matlabcentral/fileexch...

4 months ago | 0

Answered
How to view SPI Arduino data from accelerometer within Matlab?
Here is a link on how to communicate with external sensors using SPI - https://www.mathworks.com/help/supportpkg/arduinoio/examp...

4 months ago | 0

Answered
raspi3 support simulink external mode show on the DSI display?
If you deploy the code to the Raspberry Pi (Normal mode and not external mode), I would think that this display will show the vi...

4 months ago | 0

Answered
how do I relocate code generated from simulink model to another Development Environment?
If you download this support package - https://www.mathworks.com/hardware-support/arduino-simulink.html then you dont have to ma...

4 months ago | 0

| accepted

Answered
I2C Sensor
Almost every I2C sensor is unique in its own startup routine and such. Once you have figured out what it is from the data sheet ...

4 months ago | 0

Answered
Real time implementation of fuzzy logic controller simulink model with Arduino Mega 2560
To set the sampling time, you can go to Solverand change the Fixed step time to 600 as these are seconds (as shown below). <...

4 months ago | 0

Answered
External Mode - Raspberry; re-connect
Another way would be to open the shell as mentioned above and deleting the folders related to the specific model and re-run it. ...

4 months ago | 0

Answered
How to execute subsystem once at startup
Simulink works on time, so it looks like you need to 1) read the clock time of the simulation model using the clock block - ...

4 months ago | 0

Answered
Undefined function 'readVoltage' for input arguments of type 'arduino'.
After you have established the communication with Arduino using a=arduino, could you type methods(a) and post the results here?...

4 months ago | 1

| accepted

Answered
How to design custom hardware support package?
If it is an ARM-cortex A based MCU you can use this tutorial series to create one yourself - https://www.youtube.com/playlist?li...

4 months ago | 0

Answered
Unable to go to external mode
Have you tried manually setting the COM port to the accurate port? Another common issue that causes this - A MATLAB arduino obje...

4 months ago | 0

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