Re: Looking for a cheap little piezoelectric fan

From: Captain Rick (ME_at_127.0.0.1)
Date: 01/04/05 

Date: Tue, 04 Jan 2005 21:16:00 +0000

On Mon, 03 Jan 2005 15:02:50 -0600, dont@agora.rdrop.com (Don Taylor)
wrote:

>I'm searching for a source of a handful of cheap little piezoelectric
>fans for a hobby project that might later sell a few finished items.
>
>I'm not trying to move air. Instead I'm trying to wiggle a tiny
>reflecting surface back and forth a little bit to roughly sweep the
>light from a led across the face of a bundle of fiber optics.
>
>Precision isn't an issue, low power consumption, cheap price and
>getting most of the led light coupled into the fibers with some
>visible "jiggling back and forth among the fibers appearance" is all
>I'm trying to get.
>
>Other suggestions that might accomplish the same thing would be
>considered.
>
>thanks

Don't know about the piezo fans, but how about putting the led on a
spring with a bit of steel, and pulse an electromagnet nearby? Or put
the reflecting surface on a spring, with a bit of steel.......

Rick.