What are the speed restrictions with white LEDs?

I built a stroboscope a while ago with white LEDs that used 10 or 50 uS
pulses and operated as fast as 200Hz, and I noticed no issues with the LED
response time.  I was easily able to view crisp stop motion on my CPU fan
(around 4500 rpm).


----- Original Message ----- 
From: "Bob Blick" <bblick@sonic.net>
To: "Microcontroller discussion list - Public." <piclist@mit.edu>
Sent: Sunday, September 04, 2005 7:49 PM
Subject: Re: [PIC]: propellor clock as planetarium ?


>
> > White or yellow to look more like stars. RGB LEDS would be cool but
> > much more costly.
>
> White LEDs are too slow to use in a propeller clock :(
>
> -Bob
>
>
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