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Thread: Multi-In, Multi-Out Switch Needed

  1. #21
    Constant Bitrate captain_jim1's Avatar
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    We're getting off topic here. We need to help find Brad his 4-pole double throw switch hehe

    I'm still looking ... but not finding....

    -Brad
    83 mp320i 285k

  2. #22
    Raw Wave Rob Withey's Avatar
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    http://dkc3.digikey.com/pdf/T032/0834-0842.pdf

    Page 2, part number CKN1038-ND for example.

    There are loads of the things, I counted at least ten in that doc. Don't know why you are having so much trouble finding them.


    Rob
    Old Systems retired due to new car
    New system at design/prototype stage on BeagleBoard.

  3. #23
    Constant Bitrate captain_jim1's Avatar
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    Thanks Rob! I can't understand these digikey sheets when I read them. I guess 4PDT was what I should have been looking for. 4-Pole Double Throw .. makes sense...

    Thanks again Rob ... the reasons we have these message forums is to enlighten the un-enlightened...

    -Brad
    83 mp320i 285k

  4. #24
    FLAC Skraggy_uk's Avatar
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    Quote Originally Posted by Rob Withey
    Yep, you can do that. That's basically what I did with mine, except that I tapped into the fm radio lines before the audio processor (so volume, balance and faders still work).

    Hmm, I have an old ProPlus CD headunit that I was going to ebay.

    It doesn't have any CD changer inputs, but the reason i swapped it out is the antenna remote line is only kicking out 9v, so it wouldn't fire the antenna, or the relay I use to power up the inverter.

    Might open that up, and have a dabble with it, maybe even have a go at boosting the antenna voltage too, and see if I can flog it modified to work with a carPC
    4x4 in a turbo stylee.

  5. #25
    Maximum Bitrate eCarô's Avatar
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    Quote Originally Posted by Rob Withey
    http://dkc3.digikey.com/pdf/T032/0834-0842.pdf

    Page 2, part number CKN1038-ND for example.

    There are loads of the things, I counted at least ten in that doc. Don't know why you are having so much trouble finding them.


    Rob
    How is that going to work? The switch only has two positions.


    *EDIT*

    OK I thought you had 4 sources. It does work.

  6. #26
    Constant Bitrate captain_jim1's Avatar
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    Got the switch today so I went to Radio Shack, picked up my 12 RCA connectors and some wire and got to work!



    They all work great (except for 1 loose connection). Can't wait to get my carputer up and running so I can use this bad boy.. sure beats my FM Modulator.. volume doesn't get kicked back and when i swap between computer and headunit, they sound identical in quality and volume.

    In case anyone wants it, here's the diagram I made to visualize everything. Black wires are the audio signals and the colors are the grounds.



    Keep in mind I am not using the headunit's speaker wires, but rather all my speakers are powered by 2 amps .. which is what allows this to work


    -Brad
    83 mp320i 285l

  7. #27
    I'm sorry, and you are....? frodobaggins's Avatar
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    glad you got all this resolved
    [H]4 Life
    My next generation Front End is right on schedule.
    It will be done sometime in the next generation.
    I'm a lesbian too.
    I am for hire!

  8. #28
    Constant Bitrate captain_jim1's Avatar
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    Thanks for helping!

    -Brad
    83 mp320i 285k

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