> For an easy solution, us a LM34cz temperature sensor ($5.00) and
> connect it to 5 volts. Then connect the output pin to a digital
> multimeter. The voltage is proportial to the temperature and
> calibrated at the factory for 10mv/degree F.
> So:
>
> 0.00V = 0 degrees F
> 0.01V = 1 F
> 0.10V = 10 F
> 0.75V = 75 F
> 1.00V = 100 F
> 3.00v = 300 F (The top rated temperature).
>
> That's it. You don't need any other components unless you want
> to measure negative temperatures in which case you need to shift
> the ground reference with a couple of diodes and a resistor (as
> outined in the spec sheet).
>
> Cheers,
> Andrew
>
>
> From: "Picdude" <
EraseMEpicdudespam
spamBeGoneNARWANI.ORG>
> To: <
RemoveMEPICLISTKILLspam
MITVMA.MIT.EDU>
> Sent: Saturday, July 19, 2003 1:37 AM
> Subject: [OT]: Measuring temperature...
>
>
> Any of you folks have a way to measure temperature
> semi-accurately w/o
> expensive thermometers? Within a few degrees would be nice, and
> in the
> range
> of 0 to 300 deg F. I'm trying to test the calibration of a temp
> sensor for
> my car.
>
> I can use ice and hot water to get the 32- and 212-deg F points.
> But is
> there
> a way to get 1 or 2 points between that, and a couple other
> points up to
> about 300 deg F? Is there any other liquid I could boil that
> has some known
> boiling point perhaps?
>
> Cheers,
> -Neil.
>
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