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  • Custom-Wired USB

    Is it possible to run power from a separate source on USB ports?

    Here's an example of what I'm asking for:

    I'd like to have USB charging ports in the vehicle, I plan to run a USB cable to a PCB that splits the data lines off to 8 different ports and run the 5V and GND from a different source.

    Alternatively, can I use a cheap USB hub, disconnect the 5V line and power it separately (assuming there is circuitry involved to split USB data lines)?

  • #2
    Yes, the 5V + and GND can come from any source.

    (That's how Lilliput monitors are set up. The 5V + comes from the controller, not the PC)

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    • #3
      sweet, thanks

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