[sdiy] Velocity/Position sensing

[Jason Tribbeck]

Hi,

> I've been asked to look into the idea of designing an electronic
percussion
> instrument that emulates the surface of a skinned percussion
instrument -
> i.e. playing different parts of the skin/surface will give you a
different
> sound/timbre/etc.
> 
> Can anyone point me in some directions to start researching a
pad/surface
> that could read/sense both velocity/pressure/force and position - say,
some
> sort of X/Y co-ordinate?
> 
> At this stage the idea is that the values could be read and converted
into
> CV information via a microcontroller - but I'm open to any and all
> suggestions.
> 
> I've found a few potential leads - but I thought there might be some
good
> clues on this list. Thanks in advance.

I'd initially look at using Piezo elements - I had a Yamaha DD-11 in the
dim and distant past, and that used one for each pad to sense velocity.

If you put three on each pad, you should be able to triangulate where it
was hit.

Jason Tribbeck