ah maybe it is....I need a laser pointer type emitter.  Back to the selection sheet...


--- On Tue, 3/17/09, Vitaliy <spam@maksimov.org> wrote:

> From: Vitaliy <spam@maksimov.org>
> Subject: Re: [EE] driving a laser diode
> To: "Microcontroller discussion list - Public." <piclist@mit.edu>
> Date: Tuesday, March 17, 2009, 9:02 PM
> alan smith wrote:
> > Is a laser diode any different than a normal LED,
> other than the 
> > wavelength its emitting?  Or does it need to be
> modulated?
> > I have some OPV332, 2.2Vf and 7mA If, so running it
> from 3.3V it
> > would require a 160ohm current limit.  But it doesnt
> appear to
> > be emitting the anticipated red dot...
> >
> > So, anyone played with these?
> 
> Alan, isn't that an IR diode?
> 
> Vitaliy 
> 
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