$25 USB Data Acquisition

B

Bret Cahill

Guest
Cal Tech and/or USGS seem to have run out of money:

http://pasadena.wr.usgs.gov/webicorder/

This is an issue as it is much more difficult now to positively
distinguish between a 5.5 and merely having too much to drink.

Is an A to D converter necessary? How much power does a USB port
provide?

$25 seems like a pretty good deal all things considered.


Bret Cahill
 

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