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???
05/07/07 19:24
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Msg Score: +1
 +1 Good Answer/Helpful		 #138750 - Bi-stable Relay
Responding to: ???'s previous message
You Need a Bi-stable Relay not a latching relay.
This type of relay has two coils one for set, and one for reset.
The contacts do not need power to hold it's state.

List of 26 messages in thread
TopicAuthorDate
non volatile 1bit ram            01/01/70 00:00      
   well, serial EEPROMs are dirt cheap            01/01/70 00:00      
   A non-volatile Flip-Flop?            01/01/70 00:00      
      2 bits - 74HC74+battery            01/01/70 00:00      
         waaaaaaay more costly than an EEPROM            01/01/70 00:00      
            yeah, but it's only 2 bits...            01/01/70 00:00      
               1 Ferrite Core?            01/01/70 00:00      
                  ferrite?            01/01/70 00:00      
                     Faint recollections...            01/01/70 00:00      
                        yeah, that's it, the read, not retention            01/01/70 00:00      
                        use a 10000uf capacitor!            01/01/70 00:00      
                        they have a "read only" command            01/01/70 00:00      
            Try a relay            01/01/70 00:00      
               Cost not a consideration...?            01/01/70 00:00      
               Bistable relay - cross reference            01/01/70 00:00      
      Ramtron Statesaver            01/01/70 00:00      
   Zero-power latching switch?            01/01/70 00:00      
   Some 805x MCU's have that feature            01/01/70 00:00      
      More Details            01/01/70 00:00      
         Explain            01/01/70 00:00      
            To andy            01/01/70 00:00      
               can it stay where it was when power went off?            01/01/70 00:00      
         Bi-stable Relay            01/01/70 00:00      
            Yes, that's the one - and available in India            01/01/70 00:00      
            polarized latching relay            01/01/70 00:00      
               Yes            01/01/70 00:00      

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