second lesson - use wireless. One laptop (or better - "gumstix" http://www.gumstix.com/ http://www.gumstix.com/ ) reads and transmits. Another, not physically

second lesson - use wireless. One laptop (or better - "gumstix" http://www.gumstix.com/ http://www.gumstix.com/ ) reads and transmits. Another, not physically connected, not in the same room, etc. - receives.