--- ss_at_allegro.com wrote:
>
> Re:
>
> > I've been playing with a HP 150 recently. Do any of you physicists out
> > there know how the touch screen works?
>
> Infrared beams...at least for the HP 150 A and B.
>
> The first two models had visible holes where dust could get in and obscure
> the IR LEDs. Later, HP added an IR-transparent bezel over them to avoid
> that problem.
Hey. I've got one of those, just the IR hardware, not the CPU or monitor.
I picked it up at the Dayton Hamfest a couple of years ago because it looked
neat.
Is there enough information out there to attempt to interface one of these
units to another kind of computer? There is a ribbon cable with fifteen
to twenty wires coming off of one side.
-ethan
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Received on Mon May 10 1999 - 12:49:08 BST