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USB hub

A self powered USB hub with three USB ports and one serial port

Andreas DahlbergAndreas Dahlberg
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  • Description
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  • Andreas DahlbergAndreas Dahlberg

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  • Schematics
usb FT232R

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USB Keyboards

usb keyboards

This project was created on 03/31/2014 and last updated 6 years ago.

Description

I started this project since i needed a versatile USB hub to my Raspberry Pi. So why not make my own :) The USB hub got three USB ports and one serial port. I also got connections for 5V and 3.3V power.

Components

  • 1 × TUSB2046 4-port USB hub controller
  • 3 × SN75240PW USB port transient suppressor
  • 1 × FT232RL USB to serial IC
  • 1 × TPS2044BDRG4 Power Switch IC
  • 3 × Polyfuse

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  • Schematics

    Andreas Dahlberg • 04/03/2014 at 14:59 • 0 comments

    Uploaded the first version of the schematics to Github.

    https://github.com/Andreasdahlberg/HallonBox/tree/master/USB_PSU

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Mathieu Stephan wrote 03/31/2014 at 21:20 • point
if you ever go with a USB 2.0 hub i'd buy you one :)

  Are you sure? yes | no

Mathieu Stephan wrote 03/31/2014 at 20:19 • point
Any reason you opted for usb 1.1?

In case you'd like to do it with USB 2.0, you may get some inspiration from here: https://github.com/easy-phi/main/blob/master/Rack/Current%20Version/github/Kicad/Small%20Rack%205%20slots%20-%20Schematics.pdf

  Are you sure? yes | no

Andreas Dahlberg wrote 03/31/2014 at 20:28 • point
Mostly because TUSB2046B is easy to find and it also got some good documentation. USB 1.1 is good enough since i wont use the hub for any large data transfers. Looks interesting, will check it out!

  Are you sure? yes | no

Mathieu Stephan wrote 03/31/2014 at 19:10 • point
Hey Andreas, Nice project!
Which component are you using for the USB hub? the CYC smth?

Cheers

  Are you sure? yes | no

Andreas Dahlberg wrote 03/31/2014 at 20:16 • point
Hi, thanks :) I am using TUSB2046B from Texas Instruments.

  Are you sure? yes | no

Eric Evenchick wrote 03/31/2014 at 17:18 • point
This could be a very useful hacking tool! I always need more USB ports and serial. Looking forward to seeing more details.

Also, what did you render the board in? It doesn't quite look like Altium.

  Are you sure? yes | no

Andreas Dahlberg wrote 03/31/2014 at 17:36 • point
I used NI Ultiboard for the PCB layout and rendering of the design.

  Are you sure? yes | no

Eric Evenchick wrote 03/31/2014 at 17:44 • point
Ah, haven't seen renderings from it before. Looks good! Also looking forward to seeing a schematic for this, assuming you intend to open-source it.

  Are you sure? yes | no

Andreas Dahlberg wrote 03/31/2014 at 20:20 • point
Thanks! I plan to upload the schematics soon, only got some minor things left to fix first.

  Are you sure? yes | no

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