some help in technical solution

[Omer Zak]

Unless I am mistaken, the USB specs stipulate that it shall be possible
to connect up to 127 USB devices to a PC.

So what you want to do should be doable.  However I don't know the
chances of it exposing bugs in the Linux USB subsystem, as it is a rare
use case.

However, if you are providing hardware to the competitors anyway, why
not issue them a WiFi enabled device, and then have your server collect
information via TCP/IP (such as by having them surf to a Website which
does the answer collection).

--- Omer


On Wed, 2011-04-06 at 07:44 +0300, yosi yarchi wrote:
> Hi all
> 
> 
> I need application that will be able to collect and process inputs from 
> 30 (!) competitors, and will display the results very fast. The ideal 
> solution could be to collect the inputs via SMS: each competitor send 
> his answer, the application collect the answers (related to phone 
> number) and process them. However, I can't assume that the competitors 
> have mobile phones (they may be little childs...).
> 
> 
> I thought to use 30 USB numerical keyboards as input devices, connected 
> with cables to 3 hubs, connected to the computer.
> 
> However, I don't have experience with USB drivers at linux...
> 
> 
> Is it feasible? What should be the main guidelines for the solution?
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