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???
12/12/11 09:03
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#185076 - Article
Responding to: ???'s previous message
Michael Karas said:
I you have a reliable and not easily accidental way to put the clock thing into "set mode" then I'd think that the user interface with a touch screen could simply let the user touch over a specific digit such as hour low digit and have that increment as desired till it gets to the desired value. Same for an other digit. The day can be set simply poking at the particular day LED.

I already did that, I touch over any digit and it starts blinking, when I touch under it it decrements.

Personally I think a touch screen is way way overkill for a clock / calendar device. It is so easy to make a clock set algorithm work with a SET, UP and DONE buttons. Heck you can even purge the DOWN button and get by with just two buttons for setting dste/time.

This project is purely for fun and education, I always want to learn new things, and explore new possibilities.
I found this excellent article about resistive touch screens
http://www.ti.com/lit/an/slyt209a/slyt209a.pdf
Mahmood


List of 18 messages in thread
TopicAuthorDate
Resistive touch screen            01/01/70 00:00      
   Good for you!            01/01/70 00:00      
   re: Resistive touch screen            01/01/70 00:00      
      Thanks            01/01/70 00:00      
         re: Thanks            01/01/70 00:00      
      GND reference            01/01/70 00:00      
         Hardware or software            01/01/70 00:00      
            re: Hardware or software            01/01/70 00:00      
               oh, you do            01/01/70 00:00      
      analog in instead of open drain            01/01/70 00:00      
         re: analog in ..            01/01/70 00:00      
   tough to love :)            01/01/70 00:00      
   software            01/01/70 00:00      
      When I did Touch Screen Stuff            01/01/70 00:00      
         GUI            01/01/70 00:00      
            If you have ...            01/01/70 00:00      
               Article            01/01/70 00:00      
   Let Chinese do that            01/01/70 00:00      

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