XPost: sci.physics, alt.solar.thermal   
   From: bobnospam@gmail.com   
      
   Morris Dovey wrote:   
   > AFAICT, the "real time" aspect would pretty much require turning off   
   > the heater power briefly at intervals long enough (1 msec?) to   
   > capture the heater resistance to determine the temperature.   
      
   I don't think relays will be able to attain anywhere near that 1ms sample rate,   
   FWIW.   
      
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    * Origin: you cannot sedate... all the things you hate (1:229/2)