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hi, m using nuvoton NUCLE3AN microcontroller,i wanna to set 10 micro sec timer interrupt, how to achieve this??
regards
harini
use Wheatstone bridge circuit ( Many configuration ) and directly measure the voltage, or connect it in Microcntroller through ADC and let it do your Math.
LM35 series would have been my choice of temp sensor.
Using 5Volts (scale as required)
Tie the PT100 to ground and bias with a 100ohm resistor. This will give a centre voltage of 2.2v @ -40degC & 3.3v @+120degC or 6.8mV/Deg C
This range will give you a range of 14473 counts on a 16bit ADC. With a perfect 16bit ADC will give you a resolution to nearly 1/100th of a degree.
I can do a basic circuit soon if required, but I have given you enough info to start doing it yourself.