Comment on Tutorial - Read from a COM port using Java program By Steven Lim

Comment Added by : JayS

Comment Added at : 2015-02-03 21:31:36

Comment on Tutorial : Read from a COM port using Java program By Steven Lim

i am using the same code to read data from an RFID reader. I am using serial to usb cable. code looks fine but when it runs it shows "port occupied by unknown windows application"" , it remains same after changing port no. :( 

can anyone help me in figuring out what is wrong ?? 

thanks in advance :)

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