Homebrew PCBs

So how is this better than just buying a $2 hub ready made?

ST

On Fri, Jul 31, 2009 at 8:32 AM, David Griffith<dgriffi@...> wrote:
>
> I've been wanting to add downstream USB ports to a few projects for some
> time.  To deal with this now and for the forseeable future, I decided to
> put a 4-port hub on a DIP.  The idea is that a so-called hub-on-a-chip
> is merged with its support stuff onto a piece of PCB the size of a DIP-32
> or probably a DIP-40.  To add downstream ports to a design, put this
> microhub after the female USB-B jack, then hang your gizmo[1] and female
> USB-A jacks off the microhub.
>
> How many of you would be interested in something like this?  I have a
> quick-and-dirty schematic at http://frotz.homeunix.org/microhub/.  The
> .sch file is from gEDA and you'll need the TI symbols I just uploaded to
> http://www.gedasymbols.org/user/david_griffith/.
>
> [1] Something using an AVR ATmega with V-USB
> (http://obdev.at/products/vusb/index.html) loaded on it.
>
> --
> David Griffith
> dgriffi@cs.csubak.edu
>
> A: Because it fouls the order in which people normally read text.
> Q: Why is top-posting such a bad thing?
> A: Top-posting.
> Q: What is the most annoying thing in e-mail?
>
>
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