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  Re: homebrew Temp sensor
 
In article <36901A0A.6B212D89@gte.net>, Kevin A. Saddi <ksaddi@gte.net> writes (...) Use a smoothing algorithm such as: SmoothValue = ( JumpyValue + K * SmoothValue ) / ( K + 1 ) where K is a smoothing constant, eg 10 or 100. The bigger the K, the (...) (26 years ago, 4-Jan-99, to lugnet.robotics)
 
  Re: homebrew Temp sensor
 
Put a capacitor in parallel with the thermister. Try at least 0.1 uF. You can not use electrolytic types. (...) (26 years ago, 4-Jan-99, to lugnet.robotics)
 
  Re: homebrew Temp sensor
 
(...) Hmm.. why no elco? that is, if you make sure you alway plug your sensor on in the same way, you should get a constant +ve and -ve... Mindstorms does use the standar measuring trick of having DC current run thru the resistor, right? Jasper (26 years ago, 23-Jan-99, to lugnet.robotics)
 
  Re: homebrew Temp sensor
 
Jasper Janssen wrote in message <36a914e5.172025205@...et.com>... (...) Right, you could use an electrolytic if you wanted to make sure you always plugged your sensor the right way. Many people who are in this group do not know the subtleties of (...) (26 years ago, 23-Jan-99, to lugnet.robotics)
 
  Re: homebrew Temp sensor
 
(...) I damn well know what an elco is, thank you, and, I've never seen one blow up from <12V.. they can get a bit hot, and make a little plop, but I've personally never seen them shower the room with shrapnel. Which of course, is not saying that (...) (26 years ago, 23-Jan-99, to lugnet.robotics)

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