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I think that's what I've been working with. I'm not good enough with my circuits to tell for sure, but it doesn't seem like the current is being regulated. If you want to check it out we have a schematic drawn up on the page I linked too in my first post.

'pyro, thanks for the advice. When I can find specs on the 445nm the operating temperature is always listed as starting at 0 degrees Celsius. Is there a diode type or trick for operating in colder temperatures?

Hello all. My experience with lasers comes from installing them into the stock of the PS90 submachine gun as a service to my customers at promotedpawn.com. A good breakdown of the laser involved can be found in this thread: My New PS90 Project - Page 5 I've come here for some expert advice on my...