Re: Questions on Single Board Computers
--- Bruno Gravato <bruno@nocturno.org> wrote:
> Wolfgang Denk wrote:
> > 30 mA per LED with 500x3 LEDs = 45 A.
> >
> > You will have to carry a lot of copper around, and a *heavy*
> battery,
> > it seems.
> >
>
> Don't forget about the heat!! 45A (DC) will produce a lot of
> heat! ;)
> Can't you get LEDs that work with just 2 mA?
>
>
> Best regards,
> Bruno Gravato.
You're assuming all of the leds will be on at the same time. If
use pw modulation and factor in the duty cycle, the effective
power consumption is much lower then that...
>
>
__________________________________________________
Do You Yahoo!?
Tired of spam? Yahoo! Mail has the best spam protection around
http://mail.yahoo.com
Reply to: