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Wiring USB hub module

Discussion in 'Electronic and hardware generally' started by 7HUND3R, Dec 24, 2022.

  1. 7HUND3R

    7HUND3R Active Member

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    Hello. How to connect this usb? It has a USB input port and 4 auxiliary USB ports. I connect the arduino to the USB 1 port and the LCD to the USB 2 port and the USB port input to the computer, but I don't recognize the USB port.

    This is the module in question. I have tried to connect as in the image but without success.

    [​IMG]
    7HUND3R, Dec 24, 2022
    #1
  2. Gadget999

    Gadget999 Well-Known Member

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    What exactly does the module do ?

    Does it have a spec sheet ?
    Gadget999, Dec 26, 2022
    #2
  3. 7HUND3R

    7HUND3R Active Member

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    7HUND3R, Dec 26, 2022
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  4. Gadget999

    Gadget999 Well-Known Member

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    Is it a bluetooth module ??
    Gadget999, Dec 26, 2022
    #4
  5. 7HUND3R

    7HUND3R Active Member

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    It is a usb hub, a usb hub to join 4 usb ports into 1 that connects to computer. The problem is that everything I connect to that hub, the windows does not detect usb.
    7HUND3R, Dec 26, 2022
    #5
  6. Gadget999

    Gadget999 Well-Known Member

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    Just buy the correct one

    4-Port USB 2.0 Hub Ultra Slim Portable Multiport Expander Charging Splitter Compatible with MacBook Desktop Computer PC (USB 2.0) https://amzn.eu/d/j5vL1HI
    Gadget999, Dec 26, 2022
    #6
  7. 7HUND3R

    7HUND3R Active Member

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    7HUND3R, Dec 26, 2022
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  8. Michelle

    Michelle New Member

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    Your wiring suggestion is correct. That is how it should be connected if you check the GL850G Datasheet. I do use two same modules in my build. But for whatever reason no one connects more than one device. Power goes to all, they all work but data does not go through. I had to work around this issue. What I can only suggest checking the polarity of power and data lines. Or building your own mini hub using the GL850 chip.
    Michelle, Dec 30, 2022
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  9. 7HUND3R

    7HUND3R Active Member

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    7HUND3R, Dec 30, 2022
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  10. Michelle

    Michelle New Member

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    No. Not to change because I just said so, but check if it's correct. Swapping wires randomly is dangerous and the wrong polarity of power wires will destroy the board. I learn that hard way when I soldered input connector from top of board then find out it should be at bottom What I mean is to use multimeter and do continuity check between board and connectors. There are plenty of pinout pictures for usb connectors for reference.

    On the other hand, we are talking about chinese super cheap usb hubs with questionable quality. As I said, I bought three, one I blew up, the other two did not work at all as hub, no idea why. I removed them and used a different solution.
    Michelle, Dec 31, 2022
    #10
  11. 7HUND3R

    7HUND3R Active Member

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    It's already solved. I have checked the polarity of each cable and the blue was changed to green. I had the green in D+ and the blue in GND, so change the green to GND and the blue to D+ and now it connects everything perfectly.

    Thank you very much for the help.
    • Like Like x 1
    7HUND3R, Dec 31, 2022
    #11