[huskerlug] Re: power supplies
- From: "Joey" <nitewolf@xxxxxxxxxx>
- To: <huskerlug@xxxxxxxxxxxxx>
- Date: Mon, 26 Mar 2001 14:21:52 -0800
thanks carl,
I already know about the inverters. However it seems somewhat wasteful
to convert dc to ac, then back to dc.
I don't know much electronics theory yet, however I did speculate
something. Let mw know if there is error in this thinking.
Since a computer needs 12vdc, and 5 vdc, can't I just connect the 12vdc
directly up to the computer, and the use a resister or something to lower
the voltage to 5 volts? In terms of amps, I guess I would need something to
lower that too.
Also, the only thing I am powerin is a motherboard, soundcard, and hard
drive. The computer will be controlled via voice commands, I till be my mp3
player!
Thanks,
Joey
----- Original Message -----
From: "Carl Lundstedt" <clundst@xxxxxxxxxxxxxxxx>
To: <huskerlug@xxxxxxxxxxxxx>
Sent: Monday, March 26, 2001 12:05 PM
Subject: [huskerlug] Re: power supplies
>
> Joey,
> I can't help too much (I know the theory, but have little practice with
the
> application of electonics). I know that your money is probably tight, but
> you can get a DC->120VAC converter at OfficeMax ~$40. This changes your
> cigarette lighter to 120VAC (a single outlet). You could always cut the
> cigarette plug-end off and wire it straight to your fuse panel. I bought
> such an object to run my Laptop in a car (from RadioShack ~$80, GRRR)
> HOWEVER, make sure its rated for the Wattage you'll need. Since you're
> running a full desktop unit, it may overload the adapter on boot (???).
>
> If this isn't going to work for you, let me know. I'll think more heavily
on
> this and see what we can come up with.
>
> Carl
> > is there anyone electronic gurus here that can give me some advice on
> > building a dc-to-dc power supply so I can use the dc off of my car to
power
> > a pc?
> >
> > Thanks,
> > Joey
>
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