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Thread: Powering your lilliput

  1. #1
    Constant Bitrate stangg172006's Avatar
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    Powering your lilliput

    Hey guys and girls. Im looking into getting a carputer in my MKV Rabbit and am just doing some research/gathering materials. In doing my research for a screen, ive decided on a 7" Lilliput screen. Im looking for a totally clean install and will be using a bezel to custom fabricate the screen into the dash and i want only the screen being visible up front. Since the screen comes with a 12v cigarette lighter plug, how did you guys end up powering the unit? And just so that im clear on this, you ran the vga from your computer to screen, a usb from the screen to the computer and finally power to some unknown place. Man this carputer business sure is a lot harder then i expected. Thanks in advance for responses!

  2. #2
    Fusion Brain Creator 2k1Toaster's Avatar
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    well you can either run a seperate line to the battery for it, or use the power supplies 12v rail to power it.
    Fusion Brain Version 6 Released!
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    30 Digital Outputs -- Directly drive a relay
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  3. #3
    Constant Bitrate stangg172006's Avatar
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    Quote Originally Posted by 2k1Toaster View Post
    well you can either run a seperate line to the battery for it, or use the power supplies 12v rail to power it.
    which calls for cutting the original cigarette lighter plug and connecting it a separate wire tot he battery? how would i regulate the power? or does it even matter since its a 12v source and the screen runs off of 12vs? Thanks for the response!

  4. #4
    Fusion Brain Creator 2k1Toaster's Avatar
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    yes if you cut the cigarette lighter plug from the lilliput then it will take whatever the car can dish out. Usually there is an egg on there. Meaning a bulge in the cig lighter to the screen. If not then look on the back of the monitor and see if it says 11-14v in or 12v in. If it has a range, then the regulator is inside. If it is a fixed voltage then the regulator is outside.
    Fusion Brain Version 6 Released!
    1.9in x 2.9in -- 47mm x 73mm
    30 Digital Outputs -- Directly drive a relay
    15 Analogue Inputs -- Read sensors like temperature, light, distance, acceleration, and more
    Buy now in the MP3Car.com Store

  5. #5
    Constant Bitrate stangg172006's Avatar
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    Quote Originally Posted by 2k1Toaster View Post
    yes if you cut the cigarette lighter plug from the lilliput then it will take whatever the car can dish out. Usually there is an egg on there. Meaning a bulge in the cig lighter to the screen. If not then look on the back of the monitor and see if it says 11-14v in or 12v in. If it has a range, then the regulator is inside. If it is a fixed voltage then the regulator is outside.
    so i would have to cut the wire after the bulge, assuming its not a fixed voltage.

    this is the screen im looking at by the way... http://cgi.ebay.com/Lilliput-7-Touch...em300075748734

  6. #6
    Fusion Brain Creator 2k1Toaster's Avatar
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    if there is a buldge, then when hardwiring your screen, make sure that buldge is included.
    Fusion Brain Version 6 Released!
    1.9in x 2.9in -- 47mm x 73mm
    30 Digital Outputs -- Directly drive a relay
    15 Analogue Inputs -- Read sensors like temperature, light, distance, acceleration, and more
    Buy now in the MP3Car.com Store

  7. #7
    Constant Bitrate stangg172006's Avatar
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    thanks for the help 2k1Toaster!

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    stangg.. where did you end up wiring the Lilliput ?? i am thinking of tapping to the 12v from factory headunit cables, but not sure if this is a good idea ??

  9. #9
    Constant Bitrate pate60's Avatar
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    Quote Originally Posted by CoupeE46 View Post
    stangg.. where did you end up wiring the Lilliput ?? i am thinking of tapping to the 12v from factory headunit cables, but not sure if this is a good idea ??
    headunit input voltage isn't strictly 12v! i would bad idea.

  10. #10
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    ok after putting together the cpu today. i will be running offf the molex connectors from the psu..

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