Re: TI-H: about one thing...
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Re: TI-H: about one thing...
k the only prob is i am looking for a cheap way to get aprts, dunno of
any place in town where i can find any cheap laptop cdroms... thats a
prob. but i will probably look around, or go dumpster diving.
- nw(StoryTelr@yahoo.com)
---David Knaack <dknaack@hotmail.com> wrote:
>
>
> >From: StoryTelr Jedi Knight <storytelr@yahoo.com>
> >well thanks anyways,ya i guess a PCCDROM thing would not need shock
> >resistance, .... oh well, just wanted to see that. but what if you
> >used power transformers to up the volts on battery power????.
>
> It only needs +/-5 and +/-12 volts (and you may be able to
> drop one or more of those, many devices only use a couple),
> so you could do it with 8 batteries, or if you wished you
> could use a DC-DC converter to raise the voltage from
> fewer batteries.
>
> Either way you're going to be pulling quite a bit of power
> from the batteries. CDROMs are not designed to be very
> power efficent, as they are intended to be connected to
> an unlimited supply (ie, the wall socket). A laptop
> CDROM might be better, and may have a little better
> shock resistance too, not to mention being smaller.
>
> Most battery manufacturers websites have at least Ah
> ratings for their batteries, and some even have discharge
> curves. Check your CDROM for its power requirments
> (usually printed on the drive), and calculate how
> fast it would eat batteries.
>
> DK
>
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==
A rose is a beautiful thing,
A sunset is a gorgeous sight,
but the one thing that is best of all,
is someone to see it with.
- StoryTelr August 6th, 1998 2:31 am
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