> Hi,
>
> Response time for 90% of actual  temperature, i'd like under a minute at
> least. I'm fine with doing some simple calculations, but i
> wouldn't like to
> use a lookup table, as if the thermistor would ever need to be
> replaced, the
> table would have to be changed, the measurements taken again, etc. By easy
> to program, i mean, a few multiplications/divides/subtracts are
> okay, but i
> don't what any like ln, or sine functions or anything like that.
>
> I'm ok paying up to about $10 roughly for the sensor, but i'm finding the
> LM335 and maxim/dallas chips have a very very slow response time, up to
> about 3 minutes or more, which isn't what i need. Now thinking
> about it, an
> accuracy or 1 degree is perfectly fine, and with some calibration i  could
> probably make it even closer.

        Have you looked at the LM75, I don't know what it's response is like but
I've seen it change very quickly, relativly. TTYL

--
http://www.piclist.com#nomail Going offline? Don't AutoReply us!
email listserv@mitvma.mit.edu with SET PICList DIGEST in the body