RE: [DMCForum] Re: Dig this... a groovy idea
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RE: [DMCForum] Re: Dig this... a groovy idea



Hmmm. That's a good idea. I might have to make this a handy winter
project.
I'm not a EE the whole thing should be simple. LEDs and resitors and
that's
it. All you need to know is what kind of inline resistor to use.

  R = (Vbattery - Vled) / (IVled),

You've got 12-14V supply (Vbattery). Most LEDs have a .02A forward current
(Vled) regardless of brightness. The forward voltage of the LED (FVled) is
indicated on the package. This varies with brightness.

If I use the super bright I bought and stuck it in the car I'd have the
12V
from the battery with an LED with 2.4V forward voltage and .02A forward
current. That gives me a 480Ohm resistor.

One 480ohm resistor per LED mounted on the board. Hell, you could probably
use the existing circuit board and just drill mounting holes for the
lights.


Thus endeth the lesson.


> -----Original Message-----
> From: cruznmd [mailto:racuti1@xxxxxxxxxxxx]
> Sent: Thursday, October 30, 2003 1:41 PM
> To: DMCForum@xxxxxxxxxxxxxxx
> Subject: [DMCForum] Re: Dig this... a groovy idea
> 
> Hey Travis,
> 
> Any chance of figuring out how to adapt red LED's to our tail/brake
> lights and losing the light bulbs?
> 
> Maybe even the turn signals?
> 
> Rich
> 
> 
> --- In DMCForum@xxxxxxxxxxxxxxx, Travis Goodwin <tgoodwin@xxxx> wrote:
> > Just went out to Radio Shack and bought 2 super bright red, jumbo
> LEDs. My
> > plan is to build 2 small boxes that will attach to the exhaust
> vents of my
> > BTTF conversion. Now the exhaust vents will glow an eerie red all
> the time
> > and the fog will be red at night.
> >
> > Hopefully I'll have pics tomorrow if it works out.
> 
> 
> 
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> 
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