Re: TI-H: Internal mem expander question
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Re: TI-H: Internal mem expander question
yea right? From where?
On Fri, 20 Nov 1998 20:02:08 -0900, Grant Stockly wrote:
>
> 4x20 lcds are only $6.75.
>
>
> >Why does it have to be so big? I mean a 16x2 character LCD is perfect
for
> >the job... and they are only 20 bucks too... I mean one line would
scroll
> >the song info, and the other line would have misc info, like maybe the
> >status (Play, Stop, Pause, No Songs) and maybe time too... I mean, the
> >smaller the better right? Only if we could use 2.5" drives....
> >
> >
> >On Fri, 20 Nov 1998 15:52:11 -0900, Grant Stockly wrote:
> >
> >>
> >> >In a message dated 11/19/98 10:48:43 PM Central Standard Time,
> >> >gussie@alaska.net writes:
> >> >
> >> >> >I dont see what the big deal with this is grant. Just try it
whoever
> >> >> >wanted to make one, and if it works, great!! goal accomplished.
> >grant
> >> >was
> >> >> >wrong. If it doesnt work, grant was right, you have two extra
> >resistors
> >> >> >and a switchand a nice 32k sram chip. i dont think the calc
should
> >have
> >> >> >actual damage to it unless you seriously screwed up.
> >> >> Get it? :) having it work 50% of the time isn't fun...
> >> >I don't quite understand this. Have you looked at the plans, Grant?
To
> >me
> >> >(and I don't think I know as much as you at all, but...) they make
sense,
> >and
> >> >it's very hard for electronics to make sense to me. Maybe I'm wrong,
> >but...
> >> >what would make this work 50% of the time? It is possible it would
not
> >work
> >> >at all, or work all the time, but 50%? That just doesn't make sense
to
> >me.
> >> >Keep in mind I am not flaming you, I am asking a question.
> >>
> >> Switching CS lines improperly. There is a setup/down time that is
about
> >> 200ms I think. If you leave it at high impeedance it can leave the
chip
> >in
> >> unexpect states.
> >>
> >> Grant
> >
> >
> >
> >
> >
> >_______________________________________________________
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>
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