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@...
>
> 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?
>
>
> ------------------------------------
>
> Be sure to visit the group home and check for new Links, Files, and Photos:
> http://groups.yahoo.com/group/Homebrew_PCBsYahoo! Groups Links
>
>
>
>