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Mahmood Elnasser
12/12/11 02:03
Read: 354 times
Sacramento
USA


 
#185076 - Article
Responding to: Michael Karas'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      Mahmood Elnasser      11/29/11 01:41      
   Good for you!      Rob Klein      11/29/11 01:56      
   re: Resistive touch screen        Andy Peters      11/29/11 09:57      
      Thanks      Mahmood Elnasser      11/29/11 13:46      
         re: Thanks      Andy Peters      11/30/11 09:31      
      GND reference      Mahmood Elnasser      11/29/11 14:09      
         Hardware or software      Mahmood Elnasser      12/23/11 07:37      
            re: Hardware or software      Andy Peters      12/23/11 09:48      
               oh, you do      Erik Malund      12/23/11 11:51      
      analog in instead of open drain      Maarten Brock      11/29/11 15:16      
         re: analog in ..      Andy Peters      11/30/11 09:32      
   tough to love :)      Erik Malund      11/30/11 09:39      
   software      Mahmood Elnasser      12/11/11 10:47      
      When I did Touch Screen Stuff      Michael Karas      12/11/11 11:28      
         GUI      Mahmood Elnasser      12/11/11 11:54      
            If you have ...      Michael Karas      12/11/11 21:21      
               Article      Mahmood Elnasser      12/12/11 02:03      
   Let Chinese do that      JecksonS Ben      12/12/11 05:11      

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