temperature acquisition on FreeBSD

[Jim King]

Jim King wrote:

> Thermochron would be more expensive.  They're $25 each; a plain 
> temperature iButton is $7, and bare DS1920s are probably a lot less 
> than that.  Also, DalSemi has had major problems producing 
> Thermochrons and quantities have been pretty limited for the last 
> couple years.  (A Thermochron is a nifty toy to have though - I've had 
> fun with mine.)


Clarification:  The bare temperature device is the DS18S20.  In small 
quantities they're $2.57 from DalSemi.  In really small quantities 
they'll probably send you free samples.

Jim