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best/simplest stealth 12v to 5v to power usb HD

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  • best/simplest stealth 12v to 5v to power usb HD

    I don't have a car PC yet, but I did get a head unit that drives usb and an external usb drive. As tested today the HU does not deliver the min 550ma required to spin the drive up.

    What I want:
    I want to splice some simple converter into the car 12v so that I can power the drive via the supplied Y cable. The "stealth" part of the title means that I do not want to use the cig adapter, and I'd like all the wiring to be hidden behind the dash. Aren't there some simple-to-use dc-dc converters (i.e. the "guts" of any given cig lighter usb adapter) I can wire in?

    12v car dc taken from wiring harness -> my device -> female USB jack with 5v.

    Googling around points me to cool things like this:
    Aimtech 12v-5v

    and this:
    another fancier aimtech

    but I am not an EE and I don't know where to go from here.

    All help appreciated.
    Thanks,
    Dan

  • #2
    [url=http://store.mp3car.com/Point_Of_Load_automotive_power_supplies_s/10.htm[/url]
    Originally posted by ghettocruzer
    I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
    Want to:
    -Find out about the new iBug iPad install?
    -Find out about carPC's in just 5 minutes? View the Car PC 101 video

    Comment


    • #3
      Thanks Bugbyte, I did find that on the wiki last night, but I couldn't update my post because it was in the mod queue. Looks like $25 gets me where I want to be either via Carnetix or Opus. is there any general consensus on preference, assuming this is a standalone POL usage?

      Thanks,
      Dan

      Comment


      • #4
        I've got the Carnetix one and it works fine. I'm sure the other one does too. It's not a particularly sophisticated device.
        Originally posted by ghettocruzer
        I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
        Want to:
        -Find out about the new iBug iPad install?
        -Find out about carPC's in just 5 minutes? View the Car PC 101 video

        Comment

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