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???
11/27/12 15:35
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 		 #188916 - With an NTC resistor driving the base?
Responding to: ???'s previous message
Using a micro to turn a heater on means you need a micro rated at -40C, so you might as well use a -40C rated micro for your main processor. You would need a temperature sensor, but lots of micros now include then internally.

List of 27 messages in thread
TopicAuthorDate
-40 degree Celsius operation            01/01/70 00:00      
   Heating pads            01/01/70 00:00      
   Undefined behaviour!            01/01/70 00:00      
      bending it in neon            01/01/70 00:00      
         That means that you're on your own ... no support             01/01/70 00:00      
   Why?            01/01/70 00:00      
      Not in Dubai            01/01/70 00:00      
         nobody has been that stupid            01/01/70 00:00      
         So many pitfalls...            01/01/70 00:00      
            testing            01/01/70 00:00      
               And what is the cost of testing?            01/01/70 00:00      
                  the cost of testing            01/01/70 00:00      
                     it's not just pass/fail ...             01/01/70 00:00      
                        Tell me about it!            01/01/70 00:00      
                        Why?            01/01/70 00:00      
                           Why??? It's to protect your own gluteus maximus            01/01/70 00:00      
         what would happen             01/01/70 00:00      
   Heaters/controllers            01/01/70 00:00      
   Low temp components            01/01/70 00:00      
      Potting wont help             01/01/70 00:00      
         it's probably less costly to heat a small enclosure            01/01/70 00:00      
            at very cold start...            01/01/70 00:00      
               Yes it can ...            01/01/70 00:00      
   it's not that simple ...             01/01/70 00:00      
      heater            01/01/70 00:00      
         With an NTC resistor driving the base?            01/01/70 00:00      
            It's very simple...            01/01/70 00:00      

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