[PD-ot] piezo-electric sensors

[Steffen Juul]

On 08/01/2008, at 15.54, Patrice Colet wrote:

>   But the problem I'm encountering is that the electrical circuit made
> by the piezo probe and the arduino, with no other additionnal  
> component
> has a too high capacitance, so the energy level is lowering too slowly
> after each mecanical impulsion, then my system doesn't trig anymore
> until the circuit capacitance goes below the threshold level set in
> PureData.

Maybe the threshold is better set in the in the uC/Arduino code. Tod  
E. Kurt's done something similar building a "drum kit" with the  
Arduino board and piezos, cf. [1].

[1] <http://todbot.com/blog/2006/10/29/spooky-arduino-projects-4-and- 
musical-arduino/>