Re: Using piezoelectric to power a laser diode?



bobrich@xxxxxxxxx wrote:

> Hi,
>
> I'm a complete novice/noob to electronics.
>
> I have a little project i'm working on, and would like to use a
> piezoelectric power source to run a small visible laser diode for a
> short duration (20-200ms). Does this seem feasible? The biggest
> problem, from what i can tell, is the output voltage of the piezo is
> likely to be much greater than the 2-3V i need to run the diode. The
> other problem i'm having is actually finding suppliers of piezo devices
> that would be suitable for this...all i can find are accelerometers and
> strain gauges.
>
> Any thoughts? The energy source will be a sharp blow from a small
> spring-loaded lever.
>

And for how long do you expect a sharp blow from a hammer to illuminate
this led ?

Graham

.

Relevant Pages