Laser display (was Re: Orlando hamfest)

[Tore S Bekkedal]

On Tue, 2005-02-15 at 09:59 +0000, Philip Pemberton wrote:

> Another idea would be to use a hard drive actuator. I've got a 20gig Maxtor
> D740X here that has a dead motor... I wonder if the voicecoil actuator could
> be modded to operate a mirror. An interesting idea, nontheless.

I made a hard drive speaker by hooking up the actuator directly to an
amplifier.

It actually produces surprisingly good sound.

-- 
Tore S Bekkedal <toresbe at ifi.uio.no>