[OT] Omega Nomad OM-44

[Mark Hahn]

> A nice alternative are the devices by picotech
> http://www.picotech.com

I prefer to use iButtons.  these are button-sized devices that you 
hang off a two-wire bus, and plug into some computer's serial port.
everything is utterly open, and it's cheap and flexible.

I have 6 sensors in my machineroom:
	http://sharcnet.mcmaster.ca/~hahn/cgi-bin/temp.cgi
which are very trivially collected and logged to the obvious kind 
of sql table.

www.ibutton.com.

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