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  1. Etaoinshrdlu

    Controlling 2 Serial Ports

    I have the built-in serial port, Com1, and a USB to RS-232 cable which show up as Com4. A board being tested is on Com1 and a piece of test equipment is on Com 4. I'm trying to write a script to send control commands to each port to run some automated tests. I have tried multiple variations of...

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