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Thread: Com Port Amp Trigger

  1. #1
    FLAC mbkowns's Avatar
    Join Date
    Mar 2004

    Com Port Amp Trigger

    I want to make a simple program that on startup it will short some pints on the com port and stay shorted which will trigger a relay which will then turn the remote wire on to my two amps and this will allow me to avoid the amp pop. I know there are boards that do this with relays usb com etc but I only need one relay and doing it this way it would be basicly free...

    let me know of somestuff that might help I look around a bit but maybe someone can give me some help here

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  2. #2
    Constant Bitrate emdzey01's Avatar
    Join Date
    Jan 2005
    san fernando valley
    haven't you tried to ??? it's already been done. you're talking about the com port's dtr (data terminal ready) pin. you wire that to your amp. you download a program that gives the dtr signal after bootup.

    search for "windows service dtr".
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