unable to receive data in arduino from matlab
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I have tried to send integer from matlab to arduino
my matlab code is
clc;
clear all;
close all;
s=serial('COM4','BAUDRATE',9600);
fopen(s);
fprintf(s,'%i',1);
fclose(s);
and my arduino code is
void setup()
{
Serial.begin(9600);
}
void loop()
{
if(Serial.available()>0)
{
int b=Serial.read();
if(v==1)
{
Serial.println(v);
}
else
{
Serial.println(v);
}
}
}
After uploading it to arduino uno and clicking on serial monitor i am not getting any output. its just blank

Is there any mistake in my code or my connectivity process??
5 commentaires
Walter Roberson
le 20 Nov 2019
s=serial('COM4','BAUDRATE',9600);
fopen(s);
fwrite(s, uint8(1));
fclose(s);
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