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Hackable "Naked" 7 Port USB Hub - UK 5V 2.5A

Product Code:MMP-0033

£7.00
Ex.Tax £5.83

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Hackable "Naked" 7 Port USB Hub - UK 5V 2.5A
Hackable "Naked" 7 Port USB Hub - UK 5V 2.5A
Hackable "Naked" 7 Port USB Hub - UK 5V 2.5A
Hackable "Naked" 7 Port USB Hub - UK 5V 2.5A
Hackable "Naked" 7 Port USB Hub - UK 5V 2.5A
Questions5 Answers5 | Expand All
Does it come with the barrel jack Power supply?
Ricardo
  • Yes :)

    Fully CE Approved Hub
    7 Port USB hub
    3.5A over-current protection on board
    1.2A max draw per USB port
    Supports USB 2.0
    Includes 0.5m USB Data Cable
    Includes 5V 2.5A UK Barrel Jack Power Supply - 3.5mm OD x 1.35mm ID
    Dimensions: 95mm x 73mm x 14mm
    M3 Mounting Holes
    ModMyPi LTD
    Was this answer helpful? 0
Drawing dimensions
In a previous question I asked if there was a stp file for the hub. The response was no but I was directed to use the model for one of the cases. The problem with that is neither of the two case models nor the 2D dimension drawing in the photos section agree. Which is correct please? I am having mounting holes machined in to my case to hold the Hub but right now I can't tell the Designer where to put them.
Gregory Sampson
  • The 2D drawing and the laser cut file are both correct. The laser cut file simply has a 5mm border.
    ModMyPi LTD
    Was this answer helpful? 0
Can you provide a stp file and/.or 2D drawing of the assembly?
Greg Sampson
  • I'm afraid not. If you are after the dimensions/position of the mounting holes then there is a link in the description to download a laser cut case. This has the mounting holes positions.
    ModMyPi LTD
    Was this answer helpful? 0
Power Jack breakdown plus 5 pin USB connector
Can you therefore tell me which one of the solder points on the back of the board are the Live, Earth and Neutral for the Power Jack. Also, can you tell me which of the solder points on the back of the board are which for the USB. They are in a 3 then 2 configuration. Many thanks
Ian
  • As previously mentioned, there is no "live", "earth" or "neutral" - Only V+ and V-

    With the USB ports facing the table, so you can see the green PCB and with the barrel jack orientated so its facing up.

    DC Barrel Jack Pins (left to right): V-, V-, V+ 
    USB Pins (left to right): Pin 1, Pin 2, Pin 3, N/C, Pin 4 or V+, D-, D+, N/C, V-
    ModMyPi LTD
    Was this answer helpful? 0
Can you tell me which soldering points are which?
I'm wondering, on the back of the unit which soldering points are live, earth and neutral and can you also give me a tear down on the soldering points for the USB to computer connector as well please? thanks
Ian Stone
  • There is no "earth, neutral, live" only V+ and V-

    The polarity of the soldering points are shown on the top of the board, either with a "+" indicating V+ or shaded black, indicating V-

    You can see the pinout of the USB adaptor here - https://www.moddiy.com/product_images/uploaded_images/patillaje-conector-usb.jpg
    ModMyPi LTD
    Was this answer helpful? -1
Showing 1 to 5 of 5 (1 pages)

Want to integrate a 7 port USB hub into your Raspberry Pi project, but don't want to rip one out of a pretty plastic case? Don't worry! We've got our hands on some stripped down, "naked" USB hubs which work great with the Raspberry Pi!

They have some pretty special features too. . . . . 

  1. Fully tested for compatibility - plug and play!
  2. PCB footprint is very close to the Raspberry Pi - 6mm overlap on length & width
  3. Each hub is able to sufficiently back-power a Raspberry Pi Model B. 
  4. If you don't want to back-power your Pi, it is very easy to modify this hub to stop - Tutorial below.
  5. Each hub includes a 5V 2.5A UK power supply (EU & US adaptors available)
  6. Each hub includes a 0.5m USB A to Mini B cable.
  7. We've drilled some M3 holes for mounting (in addition to the M1 corner snaps)
  8. There's no solder mask (so you can hack it all you want!)
  9. They're also white, which is sexy!
  10. Mark Peason created a 3D Printable Case for the Naked Hub!
  11. Paul Kersey-Smith created a Laser Cut Case for the Naked Hub & Pi!

Please Note

  • This hub is sold for development purposes only
  • This hub must be connected to your Raspberry Pi at boot
  • This hub comes with NO warranty once modified

Technical Specification

  • Fully CE Approved Hub
  • 7 Port USB hub
  • 3.5A over-current protection on board
  • 1.2A max draw per USB port
  • Supports USB 2.0
  • Includes 0.5m USB Data Cable
  • Includes 5V 2.5A UK Barrel Jack Power Supply - 3.5mm OD x 1.35mm ID
  • Dimensions: 95mm x 73mm x 14mm
  • M3 Mounting Holes

How to Modify Hub Back-Power Capability

Back-powering on the Raspberry Pi is the mode of powering your Raspberry Pi via the 5V line on a USB port (as opposed to the Micro USB power port). This is a very effective way of reducing clutter when using a USB hub with your Raspberry Pi, as it essentially means you do not require a separate power supply for the Pi itself.

If you don't want your Naked hub to back-power your Raspberry Pi then you need to disconnect the 5V line from the hub somehow. You can modify your cable (just snip the 5V line) or the hub! We're modified the hub below:

 

Get a pair of needle nose cutters and snip the Vcc line as denoted above (be careful of the other lines!)

That's it - break the circuit from the Mini USB port and you're done - no more back-powering!

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