Arduino and my project datalogging

@PaulS
"USB is a data transfer protocol, not a file storage medium, by the way. "

Yes your right, but i meant that i want to store data on a stick with the protocol USB.

@programmer
"Lady Ada supplies a GPS data logging shield"
I hope I can get it here in the Netherlands!!

@MikMo
Thanks I will do what you suggest! I think it will be max 8 sensors.