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I recently bought an 808nm $5 diode from ebay to mess around with, but I see from searching that its not always the normal pinout. Can someone point me in the right direct so I don't fry this poor little $5 diode before I get to burn something with it.

Yes they will be in series. Is the 18650 twice the length of the cr123a?

I decided to go the route of 2x CR123A's to power my project, however I'm unable to find a premade case or box with contacts and leads. I see tons of "storage cases" when I search so its a bit hard to find if its out there. Just want something like the many 2xAA, 4xAAA, etc, style packs I see at...

I like the looks of the CR123A battery setup, I believe I'll go that route instead. Thanks! I don't mind buying my parts online at all, its just that the laser diode itself will arrive in the mail today and I'd like to get something running today. I'll definatly pick up a selection of the more...

Better yet, would there be a better source of power then 9v's? I was thinking about 6v watch style battery's, but I hate those because I never have one available to replace it when I need it. I would like something around a 6-9v rechargeable battery pack, that I could simply wire in a connector...

Thanks for the quick reply, thats just what I needed to know. I'm using 2 LM317's because I wanted to be able to control the voltage. I plan on powering it with 9v's as of now, but would like to go to rechargeable solution in the future. I assumed since I was going to be using a 9v for power...

I am currently building a setup that includes a current regulator and voltage regulator using 2x LM317. I have a few questions before I start however. I am using the following setup on my driver board: http://laserpointerforums.com/f42/diy-homemade-laser-diode-driver-26339.html 1. I see in the...