what do I need just for powering laser diodes?

[steve-o]

I'd like to know

Ok- I use this:
.. if you're into building small electronic circuits ..



Here's one I built for driving a couple of low power DPSS pointer cores for combining ..
ez-peezy



This ugly one's my daily driver tho ...

[blue]

Thanks. You call that ugly? Found this ghetto driver today: https://www.youtube.com/watch?v=2Rjlf7gnXms