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  1. absoluthish

    MATLAB to control the serial port voltage

    As a Computer Professional i already know that pin4 and pin7 in the RS232 change polarity during the transmission and reception .. my problem is that i need to control these pins thanks for your generous help :) Hisham
  2. absoluthish

    MATLAB to control the serial port voltage

    Hi i m trying to control(ON/OFF) a LED using the serial port on the MATLAB .. up till now all i found that the MATLAB only sends a string or binary to the port can anyone help me on how to control the voltage on the serial port pins ? thanks in advance Hisham

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