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???
07/11/06 10:54
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#120009 - Yes, I know but.....
Responding to: ???'s previous message
Kai Klaas said:

Is it only to tell your micro, that certain lines carry 240VAC?


Yes.

Kai Klaas said:
You can use different methods for the mains voltage detection. For instance, ultra small mains transformers. Or, perhaps better, opto couplers.


Yes I know there are different ways. But I thought relays are the easiest because they are independent of the supply voltages. I mean, in some case I may have to take input from a 440V AC also. And the relay method will still work. So I opted for relays.

About Opto- couplers I am not very well versed with them. Also people told me they are quite expensive. Is that true?

List of 23 messages in thread
TopicAuthorDate
Reading Bounce Characteristics on a PC            01/01/70 00:00      
   System Requirements            01/01/70 00:00      
      Nothing in perticular            01/01/70 00:00      
         OS?            01/01/70 00:00      
            Microsoft XP; 2000; NT; 98 ;95            01/01/70 00:00      
               all?            01/01/70 00:00      
               I wouldn't bet on it            01/01/70 00:00      
   totally irrelevant            01/01/70 00:00      
      What loads are switched?            01/01/70 00:00      
         I agree            01/01/70 00:00      
         It would be interesting to know things            01/01/70 00:00      
            Implimentation details            01/01/70 00:00      
               Again...            01/01/70 00:00      
                  Well the relays are .....            01/01/70 00:00      
                     Only to detect mains voltage?            01/01/70 00:00      
                        Yes, I know but.....            01/01/70 00:00      
                           no, they are not "independent of the supply voltag            01/01/70 00:00      
                           Comparable to relays            01/01/70 00:00      
                           Optos            01/01/70 00:00      
                              Exiting stuff!            01/01/70 00:00      
                                 Not necessarily!            01/01/70 00:00      
         It would be interesting to know things            01/01/70 00:00      
   Could somebody verifiy the result            01/01/70 00:00      

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