[dorkbotpdx-blabber] Power supply question

[krux at thcnet.net]

> > I am trying to power 2 laser diodes that need ~4.5V and 50mA. I don't
> > want to use batteries to power them, and have a box full of old power
> > transformers.
> >
> > If I can find one that puts out 9V, can I run these in series and have
> > them work? If the mA are really high, say around 1000mA, will that
> > create a problem?

One thing I noticed is that many wall warts don't give you a true 9v output.
I would always regulate the supply voltage when dealing with laser diodes.

perl -e 's++=END;++y(;-P)}\n?k++=;<+xru}?print:??;'