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Thread: Com Port Amp Trigger

  1. #1
    FLAC mbkowns's Avatar
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    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


    thanks
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  2. #2
    Constant Bitrate emdzey01's Avatar
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    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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