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Subject: flashing LED

Date: 06/16/01 at 8:57 AM
Posted by: Mark
E-mail: amstel@erols.com
Message Posted:

I am interested in flashing an LED at about .25 Hz. I have
looked at several "flashing LEDs" but their frequency is too
great. Any suggestions? I have looked at several flashing
circuits, particularly in bicycle lighting and they seem to
use a small single chip for this purpose. The chip is alway
covered with a black masking material. Any one know anything
about this chip?

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