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Subject: RE: button?
From: Touillaud Nicolas (Nicolas.Touillaud_at_fr.thalesgroup.com)
Date: 2004-01-12


Great idea, I "feel" the F3 button or my fmr will die soon...
I'm interested, but skilless I'm afraid :)

-----Message d'origine-----
De : Minuk Choi [mailto:Choi.Minuk_at_verizon.net]
Envoyé : lundi 12 janvier 2004 05:10
À : rockbox_at_cool.haxx.se
Objet : button?

hey gang,
 
    In the Archos FMR, I'm trying to start a face mod(kudos to those who
remember that I was the one who had a problem 'cause a button broke off),
and I have a question.
 
 
    If you've seen the buttons on the circuit board, they look like the
following
 
x1 x2
    O
x3 x4
 
where "O" is the button itself, and x1, x2, x3, and x4 indicate soldered
points.
 
    Now, from trial and error, it seems like x1 + x4 or x2 + x3 forms the
connection(i.e. button has been depressed). The thing is... is there a
reason that there are 4 points? Seems like 2 diagonal points is
sufficient(it works for power button, arrow buttons), but is there a reason
why it's four points?
 
    So far, there is no proposed schematic or anything for the face mod, but
my objective is to
 
    a) provide an "interface" by providing wires which will override the
buttons that are soldered on
 
    b) option a) would allow for a different physical layout of the keys
    
    c) option a) would allow for different button mechanisms(touchpad like
buttons on iPod-although this smells like proprietary hardware which will be
expensive to acquire)
 
    The reason for this is because I find the button mechanism(a plastic
button with an extension to reach the button on the circuit board) to be
inefficent, as my F2 plastic button has snapped off, and I have been unable
to glue it back on(it broke off again).
 
Feedbacks and suggestions would be appreciated.
 
-Mark



Page was last modified "Jan 10 2012" The Rockbox Crew
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