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???
05/12/10 11:07
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 		 #175833 - implementing touch screen buttons in nxp 89lpc922 chip
Responding to: ???'s previous message
Hi folks,

Thank you very much for your inputs. Andy, I have seen the post you referred to before I posted this thread.

I have already seen the sites of nxp, atmel and cypress etc. But I have a project based on philips 8051 derivative 89LPC922. I want to implement 3 touch buttons to it. I tried to understand the principal of capacitive touch button through a Glass plate. Once I understand this I will try to make coding for it.

Any idea? Will appreciate the input to this issue.

Regards,

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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