I believe so yes, the movement is just from the voltage.  Similar to the hard drive
speaker 
http://www.youtube.com/watch?v=yBG0s9Qtjkk wiring.
Here's someone explaining what software they're using and a how-to
http://www.youtube.com/watch?v=w6tuMn5sPyM
--- On Thu, 3/29/12, Chuck Guzis <cclist at sydex.com> wrote:
  From: Chuck Guzis <cclist at sydex.com>
 Is this just a manifestation of "any electromechanical
 widget will
 make a somewhat musical noise if you pulse it the right
 way?".? In
 other words, would relays, motors, solenoids or doorbells be
 just as
 adequate to the task?
 --Chuck