AVR-Chat

You could use a thermistor in series with a capacitor.
See how long it takes to charge up to see what the resistance is.
This is a cheap solution I have used successfully many times.

http://www.ckp-railways.talktalk.net/pcbcad28.htm


mago Umandam <magzky02@yahoo.com> wrote:                                  you made sense.. no significant defference between the body and the pin temperature.
    
   thank you
    
   mago
   
 
 Jim Wagner <jim_d_wagner@applelinks.net> wrote:
           Body.
 
 Usually, this is not a problem because temperature
 gradients are low in most situations. In this case pin
 temperature is not very different from body. Also, most
 temperature sensors are only accurate to about 2C with a
 few to 0.5C. 
 
 Jim
 
 On Tue, 16 Jan 2007 09:00:25 -0000
 "magzky02" <magzky02@yahoo.com> wrote:
 > 
 > hello guys,
 > 
 > i used a digital temp sensor to monitor a temperature of
 > a certain ic 
 > near to it. Now my question is that what part of the IC
 > sense the 
 > temperature? Is it their body? or a certain PIN?
 > 
 > thanks,
 > 
 > mago
 > 
 
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