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Recording values from I2C sensors

Asked by Austin Pavlas on 10 Mar 2019
Latest activity Answered by Madhu Govindarajan on 11 Mar 2019
I am wondering what the best way to go about recording values to matlab from various I2C sensors would be. I have working code for all of the the individual devices in the Arduino IDE, where I can open a terminal to read the values. Preferably I would like the have acess to all of these values in MATLAB. I am wondering if there is a way for MATLAB to read in the various values from the Terminal or would it be better to do all of the work in SIMULINK using the arduino toolbox.

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Answer by Madhu Govindarajan on 11 Mar 2019

If you use MATLAB Support Package for Arduino, there is readRegister function to read data in - https://www.mathworks.com/help/supportpkg/arduinoio/ref/readregister.html
The caveat here is you must know the right commands to write to the register so that you can put the sensor in default send data mode. You should be able to find this from the sensor spec sheet or existing Arduino code. If you need assistance with that, post the Arduino sketches here and some one should be able to assist you.
HTH,
Madhu

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