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05/11/10 04:20
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 		 #175801 - Capacitive touch sensor through glass
Hi,
Have anyone here experienced implementing a capacitive (finger) touch sensing keypad using 8052 or its derivatives? I wanted to know the principals of implementing capacitive touch sense button where user will touch a glass plate.
thanks
Rauf

List of 24 messages in thread
TopicAuthorDate
Capacitive touch sensor through glass            01/01/70 00:00      
   Research shows these sites for Touch Sense            01/01/70 00:00      
   a glass plate.            01/01/70 00:00      
      I do not know your app, but ...            01/01/70 00:00      
         Resistive sometimes an option            01/01/70 00:00      
         Agreed, mostly            01/01/70 00:00      
            Apple...            01/01/70 00:00      
            all very well ...            01/01/70 00:00      
               3-input olfactory sensor?            01/01/70 00:00      
                  sensitive nose... smelling ha ha ha            01/01/70 00:00      
                     yes, don't            01/01/70 00:00      
                        Risking life & limb?            01/01/70 00:00      
                           not touching the panel, but            01/01/70 00:00      
                              Batteries or isolated PSU recommended for debug            01/01/70 00:00      
                                 I get every thing but the suggestion to my original need            01/01/70 00:00      
                                    I gave you the best recommendation that I could...            01/01/70 00:00      
                                       Have you looked at proximity sensors or metal detectors yet?            01/01/70 00:00      
                                    Basic principles            01/01/70 00:00      
                                       Touch Sense Patents            01/01/70 00:00      
   Highly critical!            01/01/70 00:00      
      very enlightening            01/01/70 00:00      
   Previously, on 8052.com...            01/01/70 00:00      
      implementing touch screen buttons in nxp 89lpc922 chip            01/01/70 00:00      
         Can use discrete logic too            01/01/70 00:00      

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