From: multelec@globetrotter.net   
      
   Hello,   
      
   I am searching for any VB code example to do a PID   
   (Proportional/Integral/Derive) control. I have to write an application to   
   control conductivity level of a solution and if wish to use a PID for   
   stability. Any suggestion will be welcome.   
      
   Bye   
   Jacques   
      
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