Re: LEDs in flashlights?
From: dan (notme_at_privacy.net)
Date: 07/18/04
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Date: Sun, 18 Jul 2004 14:05:26 GMT
What's that Lassie? You say that DaveC fell down the old
sci.electronics.basics mine and will die if we don't mount a rescue by
Sat, 17 Jul 2004 08:17:11 -0700:
>Such as this one:
>
>http://www.brightguy.com/detail.html?cart=1090077700192795&sku=OPA3W
>
>how are the LEDs configured? Are they paralleled? Each with a series
>resistor? Regulator?
>
>In this application, the source is 2.4-3.0 volts, depending on type of cell.
>Any idea?
They use a switching power supply. Ask about it and other LED drivers
here:
http://www.candlepowerforums.com/ubbthreads/ubbthreads.php
-- Dan
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