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Topic: COM porst dissappears (Read 470 times) previous topic - next topic


May 18, 2009, 01:04 pm Last Edit: May 18, 2009, 01:05 pm by azjata Reason: 1
I am using arduino duemilanove, and i have following problem, I am using arduino to controll shift registers, through serial communication, and what i noticed is that com port dissappears sometimes, and when i disconnect arduino from usb, to plug in again, there is no com port, what i need to do is disconnect all the i/o from arduino, and then connect to the pc. Then connect all the i/o while running otherwise there is no com port... I dunno if this is computer problem or sth wrong with arduino...


this is what i see, when connecting arduino after com dissappeared

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