Dallas Semiconductor Thermochron iButtons and tempature logging with Debian/Linux

[Nick Lidakis]

Is there anybody on the list using or experimenting with Dallas 
Semiconductor IButtons? I recently ordered the DS9490B 1 wire USB bridge 
and a DS1921G-F5 Thermocron temperature logger.
I am going to use the device to log temperatures throughout the duration 
of a few backpacking trips, with attention paid to outside temperature 
at night while trying several different  sleeping bags.

There is a Dallas 1 Wire driver in kernel 2.6.9 that supports the 
EDS9490 USB bridge I purchased. I need recommendations on which program 
to use to set "missions" on this particular iButton, i.e  telling the 
iButton at what intervals to record a temp. reading.
There is a Debian package called digitemp, but the man page states that 
it will only read from a serial port type bridge, nothing about USB is 
mentioned.

Any success stories with these device would be appreciated.
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