I've been looking at resistive touch screen prices and have been 
suitably unimpressed at the pricing - they seem to cost many times 
what I'd expect for such essentially (apparently) simple technology. 
That said, I've heard that Chinese sourced products are due here 
shortly at about 25% of current pricing.

Has anyone had success with "roll your own" resistive touch screens, 
either by using existing keyboard makers methods to generate something 
for an unintended use *, or by more arcane methods? And, has anyone 
had any experience of cheap Chinese sourced touch screens?

* I have an 8 x 4 keyboard which i had designed for me many years ago 
which uses many "keylets" per main key and uses ink dot separators. 
Keylets are all joined at the kbd edges to make the 4 x 8 matrix but 
if this was not done the makings of a resistive keypad would happen. 
The current design uses opaque conductive strips so that too would 
have to change. I can see a moderate resolution product resulting (say 
1 mm resolution which would be fine for my uses) but odd are the cheap 
Chinese products will be more attractive than pursuing such a 
solution.


        Russell McMahon


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