How do I bring Arduino UNO serial monitor data into MATLAB?

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Victoria Smith
Victoria Smith 2021-3-31
回答： Aditya Shah 2022-6-7
I've been trying to take arduino uno serial monitor data and bring into into MATLAB code, but any questions online I found to help don't seem to work for mine, as I usually just get "MATLAB connection to Uno at COM3 exists in your workspace. To create a new connection, clear the existing object." when I try to pull in any data.
So far, all I can do that works is;
a = arduino('COM3','UNO');
which sets up an array in the workspace detailing all the pins it can read. I need it to print values for the A2 and A4 pins simultaneously!
Anyone have any ideas?
  1 个评论
Victoria Smith
Victoria Smith 2021-3-31
These are the values I have printed in arduino, and I need MATLAB to recieve the 1st and 3rd printed values
Serial.print(WindSpeed); Serial.print("\t\t");
Serial.print(getKnots(WindSpeed)); Serial.print("\t");
Serial.print(CalDirection);

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回答（1 个）

Aditya Shah
Aditya Shah 2022-6-7
Hi!
Please refer to the following documentations for more information about reading streaming data from Arduino using serial communication:
  • This document explains how to enable callbacks to read streaming ASCII terminated data from Arduino® Due using the serial port interface.
https://www.mathworks.com/help/instrument/read-streaming-data-from-arduino.html
  • This document explains how to use serial communication to monitor live data from Arduino Uno in MATLAB/Simulink.
https://www.mathworks.com/matlabcentral/fileexchange/46775-arduino-serial-data-acquisition

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