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  • CarPC USB Power Supply Question

    I have started to get all my parts for my CarPC, but I am wondering what type of power supply I should get? I was thinking of getting the Barebone MII12000G + M1-ATX + Ampie. Not sure if the M1-ATX is powerful enough. The PC has 2 onboard USB ports. From there will be a 4-Port USB Hub for each port. Then on those 2 hubs will go these devices.

    Hub 1:

    Kengingston USB Bluetooth Adapter
    AverMedia USB TV 300
    SoundBlaster Live USB
    Sprint PPC 6700

    Hub 2:

    XM Radio USB Adapter
    OBD2 USB
    SiLabs USB radio
    Touchscreen for K90

    I was just wondering if you guys think there will be a power issue. I know in the past on a PC I had certain things would not work if to many things were plugged into the USB ports via a Hub.
    Nirwana Project, the Android/Win 7 hybrid system!

    1X Ainol Novo Flame Tab
    4X MK808b
    3x Perixx Touchpads
    3x 7 inch Screens
    1X 7 inch motorized Screen
    1x Win 7 PC

  • #2
    HiJackZX1...let me let you know personally that if your USB hubs are powered via the PC, none of your USB accessories are going to work. I've just wasted $30 buying 2 HUBs thinking they will do the trick. So yes, there WILL be a power issue.

    Heres what I'm doing, I have a case very similar to the ampie, made by mo-co-so.com. My mini itx mobo has 2 USB slots. Trunk mount..I have a 15' male to female USB extension which I planned on hooking the darn HUBs to. Since that did not work, I ordered 3 additional extension cords. During the process of researching ways to connect my USB accessories, I ran into this Vantec Enclosure http://www.newegg.com/Product/Produc...82E16817145138 since I needed more space 2.5" HDD could offer. So I order that w/ a new HDD and it happened to also be a USB 2.0 HUB w/ 3 ports.

    Heres all the USB accessories I need to connect:

    Sirf III USB GPS
    Griffin Powermate (Controller Knob to use for audio and other functions)
    External Pioneer Slot Loading DVDRW
    BTC Mini Wireless Keyboard w/ mouse joystick
    Lilliput Touschreen via USB
    Vantec USB Enclosure.

    After I hookup the Enclosure, I will have 4 USB ports available. With the 4 USB extensions I have, I will run the Powermate, Ext. dvdrw drive and Lilliput touchscreen. I'll have to deal with the Keyboard later.

    I know I rambled on a little bit, but it sort of give you an idea on another outcome.
    [HL]My Worklog (~75% complete, but fully functional)[/HL]:
    http://www.mp3car.com/vbulletin/work...t-install.html

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    • #3
      This is what I used on my setup:
      Carnetix 5V 15W POL.
      At the end of the day I ran out of bandwidth, but my devices did get enough power .
      I just bought a project box and a heat sink (the part number is in the installation instructions) from RadioShack, cut off the connector off of the hub's AC adapter, and put all that together. It took maybe 15 minutes, just need a soldering iron and a drill (I drilled a bunch of holes in the box for ventilation. It even looks "kind of" proffessional.

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      • #4
        This is interesting.... but what does this connect to? I have 2 usb hubs and will most likely be installing a third (my list of components keeps growing). Each hub has a power plug...... to make things easier should i simply buy an apapter made to convert from ac to dc-dc?
        Nirwana Project, the Android/Win 7 hybrid system!

        1X Ainol Novo Flame Tab
        4X MK808b
        3x Perixx Touchpads
        3x 7 inch Screens
        1X 7 inch motorized Screen
        1x Win 7 PC

        Comment


        • #5
          Before you do, you might want to check out this post. It's certainly related.

          http://www.mp3car.com/vbulletin/powe...r-modules.html
          [HL]My Worklog (~75% complete, but fully functional)[/HL]:
          http://www.mp3car.com/vbulletin/work...t-install.html

          Comment

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