>However I have managed to find a PICO data acquistion unit here at work

>which I can borrow for a weekend, so I seem to be fixed for my
immediate needs.

Mike
You might like to look at the issue of Elecktor just hitting the shops.
It has an item on doing USB data collection.

I guess a long term solution is to set up an 18F4550 and an I2C ADC if
one wants more than the 10 bits it has internally.

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