On Tue, May 19, 2009 at 4:28 PM, Nick Rout <[email protected]> wrote: > On Tue, May 19, 2009 at 4:12 PM, Christopher Sawtell <[email protected]> > wrote: >> Greetings, >> >> 2009/5/18 Leif Keane <[email protected]> >>> >>> Hi. >>> I have a small scale laptop with a 23cm (just about) screen. >>> It is capable of resolutions up to 1024 X 600. >>> The devise, however doesn't have a VGA out and I want to plug the thing >>> into a data projector. >>> >>> There are USB to VGA adapters, but I'm having a bit of trouble finding one >>> that works with Linux (EdUbuntu 8.04). >>> >>> Any thoughts or suggestions? >> >> Now that we have a bit more of the background story. >> >> Forget the data projector altogether. >> >> How about testing this: Set up VNC in it's shared, or broadcast, mode and >> network every student's laptop to the teacher's laptop, which might have to >> have a bit of grunt to serve a classroom full of student laptops. >> >> http://en.wikipedia.org/wiki/Virtual_Network_Computing >> http://en.wikipedia.org/wiki/RealVNC >> http://www.realvnc.com/ >> >> In my exp. students get on better if they are looking at their own computer >> screen instead of at a data-projector. > > yeah cos they're probably on bebo or playing games. At least when they > are supposed to be looking at the data screen, you can vaguely tell > which ones are looking at the presentation. > > Also your suggestion presupposes all the kids have laptops and that > there is enough bandwidth in the network (which is probably wireless > if they're all laptops) to do VNC to all of them. I tell you there > probably not enough bandwidth, vnc is slow enough for one client in my > wireless G network. > > multicast VNC? I wonder?
googling multicast vnc leads eventually to here: http://teleteaching.uni-trier.de/news.en.html and http://www.tightvnc.com/projector/
