piclist 2001\07\09\160705a >
Thread: LED bicycle headlight
face BY : mike@whitewing.co.uk

I think this is for current regulation - to maximise battery life, and
get a consistent tint - the colour of white LEDs varies with current
as the phosphor characteristic is nonlinear, giving a different
balance between the blue LED colour and the yellow phosphor colour.
You can drive them with resistors in most applications, as slight
colour changes are not often too important.  
On Mon, 9 Jul 2001 17:14:46 +0200, you wrote:

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<umkjkt0t9nttq8l4ualvuminb33po7nee2@4ax.com> quoted-printable

In reply to: <00b701c10889$f54f20f0$d02140d5@sunrise>
See also: www.piclist.com/techref/displays.htm?key=led
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Subject (change) LED bicycle headlight

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