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Thread: AT Power Switch

  1. #1
    Newbie
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    May 2003
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    AT Power Switch

    I am going to extend my Carputer's Power Switch to my dash and do not wish to use my default ugly button. Considering that my case is in the AT form factor, what type of switch should i buy?? A momentary switch or something else??

    Thanks

  2. #2
    Raw Wave Rob Withey's Avatar
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    Apr 2000
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    Bedfordshire, UK
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    2,139
    Mains rated, dpst latching.
    Old Systems retired due to new car
    New system at design/prototype stage on BeagleBoard.

  3. #3
    Constant Bitrate
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    Sep 2002
    Location
    Redmond, WA
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    171
    Just remember that in AT power supplies, you are switching 110vAC. Be careful!

    Since you are apparently using an inverter, it might be a better choice to switch the 12v input to the inverter instead.

  4. #4
    Maximum Bitrate osirisdon's Avatar
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    Feb 2003
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    South Florida
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    on the same subject how about for a ATX form factor? I want to do the same thing as mentioned above. It is a momentarily on right?

  5. #5
    Raw Wave Rob Withey's Avatar
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    Apr 2000
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    Bedfordshire, UK
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    Originally posted by osirisdon
    on the same subject how about for a ATX form factor? I want to do the same thing as mentioned above. It is a momentarily on right?
    yep, spst (press to make) non-latching
    Old Systems retired due to new car
    New system at design/prototype stage on BeagleBoard.

  6. #6
    Variable Bitrate
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    Sep 2002
    Location
    Worcester, MA
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    252
    Yep, like he said. Momentary is the way to go. I did the same thing, i put a power and reset button in my ashtray so i could hide it. I have done two versions so far, and i am working on version 3 . First one was just a test with some PCB board, which i sewed on some fake leather. I also put 2 USB ports in it. The 2nd one i made with wood, and positioned the buttons better, and it fit better too.
    Version 3 is going to be fiberglassed right to the plastic tray that pops out, and im putting a Fellowes touchpad right in the middle. I forget who gave me the idea here, but thanks .

    I have pictures of version 1 and 2 here: Pictures

    In case you were wondering how i wired it, i took a 14 foot CAT5 (network) cable and ran it down the side of my car. One end pops out where the ashtray mechanism was, and the other end is loose in the trunk at the moment. I then went to homedepot and grabbed 2 network port things, and wired them up. So on one end the port is hooked up to the two buttons (with room for 2 LEDs if i want to) and on the computer end i wired up two of the plugs and hooked it up to the motherboard and ran it out the back. This way i can just plug and unplug the wires easily. I think it looks cool too : ).

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