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05/19/06 16:57
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#116686 - sensing water
what is best way to detect "Water Is reached" ...
attention to "Water " word no wet !
i used two way 1) i put the vcc in water and connect a wire to base of a transistor and use a resistor and a capacitor for reducig noise
2) i used an opto coupler
because the restanat of water is deferent i used deferent resistor is a better way to detect water sensinsing for more compatibly and also low cost applitions
best regard karim


List of 23 messages in thread
TopicAuthorDate
sensing water            01/01/70 00:00      
   Electrolysis            01/01/70 00:00      
   the cheapest is a floater            01/01/70 00:00      
      Maybe not            01/01/70 00:00      
         i dont like floater or other mechanical.            01/01/70 00:00      
            Keep it simple            01/01/70 00:00      
            Conductivity changes by decades            01/01/70 00:00      
               fuel tank            01/01/70 00:00      
                  Electicity & fuel            01/01/70 00:00      
                  Fuel tanks            01/01/70 00:00      
                     fuel tanks            01/01/70 00:00      
                        Explosions            01/01/70 00:00      
                           empty tanks are not empty            01/01/70 00:00      
                              Bangs for your buck.            01/01/70 00:00      
                              Vapour pressure            01/01/70 00:00      
            have a look            01/01/70 00:00      
   dowsing            01/01/70 00:00      
   IR-sensing or optical sensing            01/01/70 00:00      
      Contamination of dirt            01/01/70 00:00      
         dirt cleaning or sound            01/01/70 00:00      
            Yes, ultrasound            01/01/70 00:00      
               how much you paid..you will eat the ...            01/01/70 00:00      
                  did you read NOTHING            01/01/70 00:00      

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