[sdiy] Velocity Sensitive Pads

[Colin f]

> > How do velocity sensitive pads like those on the Akai MPC, 
> etc. work?
> 
> The usual way is with one or two piezo transducers which can 
> be used for up to say 16 pad
> 

I believe the MPCs have slightly domed undersides to the pads.
The harder you press, the more contact area is closed on the conductive
sensors.
>From that, they get initial velocity and aftertouch readings.

Cheers,
Colin f