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MATLAB takes few seconds for processing the code and start the serial communication, wait until MATLAB shows ‘BUSY’ message at the bottom left corner of the software screen, as shown in below image. while go a= input('Press 1 to turn ON LED & 0 to turn OFF:') fprintf(x,a) if (a = 2) go=false end endĪfter completing coding the MATLAB editor script click on ‘ RUN’ to run your program as shown in below image, We have use while function for creating an infinite loop and whenever the user input the number ‘2’ the loop will break. To open serial port use the below command, fopen(x) īelow command is used to send data from MATLAB to Arduino serially, where x is for calling serial and a is the value entered by the user. Make sure the com port number is the port number on which Arduino is connected and the baud rate should be set same in the both the codes of Arduino and MATLAB. In the given code, below command is used for defining the serial communication in MATLAB. X=serial('COM18','BAUD', 9600) fopen(x) go = true while go a= input('Press 1 to turn ON LED & 0 to turn OFF:') fprintf(x,a) if (a = 2) go=false end end %MATLAB Code for Serial Communication between Arduino and MATLAB Then, copy and paste the below complete MATLAB code in the editor window for serial communication between MATLAB and Arduino. To open a new editor script click on ‘ New Script’ as shown in below image: Here we have connected an LED to Arduino, that will be turned on and off according to the serially received data by the Arduino.įirst, upload the given Arduino code in the Arduino UNO and then start coding in MATLAB Editor Window. Then this serially transmitted data can be used to control anything connected to the Arduino.
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Here we will simply send the data from MATLAB to the Arduino serially using command window and then Arduino read the incoming serial data. This is the simple method to setup serial communication between Arduino and MATLAB. Serial Communication using MATLAB Command Window The above circuit diagram will remain same for both the ways to establish serial communication between MATLAB and Arduino.