Some questions about Beagleboard

Hello everyone,

I'm a student of an engineer school in France and I'm working with
some others student on a project of augmented reality. We will
probably use the Beagleboard for this project but there some things I
don't have found and I want to know before I buy the Beagleboard :

The project going to use several peripheral and I want to know what is
the maximum number of peripherals I can use on the USB ports. I also
need to know if it is really compatible with any kind of USB
peripherals.

The project is also going to use a GPS and a compass module but I'm
still searching for find some that will be easy to make it work with
the Beagleboard, if you know where I can find information about
Beagleboard projects that have use a GPS and/or a compass module or if
you have use one, please tell me.

Hello everyone,

I'm a student of an engineer school in France and I'm working with
some others student on a project of augmented reality. We will
probably use the Beagleboard for this project but there some things I
don't have found and I want to know before I buy the Beagleboard :

The project going to use several peripheral and I want to know what is
the maximum number of peripherals I can use on the USB ports.

You can go multiple hubs deep. I've connected at least 7 devices and
suspect that it will go to 60 or more with the appropriate number of
powered hubs. The USB standard caps out at 127.

I also
need to know if it is really compatible with any kind of USB
peripherals.

If there is a driver in the Linux kernel, it is most likely to work
with the BeagleBoard's Linux. Take a look at
http://www.qbik.ch/usb/devices/ (via http://www.linux-usb.org/) to see
what USB devices are known to be working in Linux.

The project is also going to use a GPS and a compass module but I'm
still searching for find some that will be easy to make it work with
the Beagleboard, if you know where I can find information about
Beagleboard projects that have use a GPS and/or a compass module or if
you have use one, please tell me.

Actually, an incredibly accurate GPS has been implemented with the
BeagleBoard per
http://gpspp.sakura.ne.jp/rtklib/rtklib_beagleboard.htm, but that is
probably more advanced than you'd want. I performed a search for GPS
devices running with Linux
(http://www.qbik.ch/usb/devices/search_res.php?pattern=gps) to find
several and also found kernel drivers in the Angstrom Distribution. I
haven't found any on-line confirmation.

Thanks you very much, it was very helpful. Unfortunaly the link
http://www.qbik.ch/usb/devices/search_res.php?pattern=gps is currently
down, I'm still searching for a GPS and a Digital Compass module. I
have see some compass and GPS using I2C but I don't know this protocol
and I don't know if it easy to make this devices work under Linux.