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Re: Questions on Single Board Computers



In message <[🔎] 20060613171620.50733.qmail@web32208.mail.mud.yahoo.com> you wrote:
> 
> 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...

You still have to assume worst case (all LED's *shall* be on at  full
brightness).  Also,  even  when using PWM you will have to be careful
when to switch which LED on, or you will  have  high  current  pulses
which  might cause problems with your power supply. All in all, I see
trouble ahead.

Best regards,

Wolfgang Denk

-- 
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@denx.de
Save energy:  Drive a smaller shell.



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