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Thank you so much, your advice was spot on. I had failed to add power to the TTL+ not realizing that since I wasn't using TTL I would still need to do that. I got it working. I didn't get a spec sheet on that diode, so I didn't have any more info than you had.

I purchased a dozen blue TO-18 laser diodes: 1pc 405nm 5.6mm 5mw-20mw Violet/Blue Laser Diode TO-18 | eBay I wired one up directly to a 18460 Lithium battery just for fun when I got it and things worked fine, but I wanted to adjust the output power so I bought a bunch of these drivers...

Thank you for answering what must seem like some simple questions, you have saved me from making a lot of mistakes :)

Thank you so much guys, I had no idea that I could adjust the focus on those cheap red ones, looking at it I thought it was just a solid piece of brass. I have done some work on my setup and the wall mounts should now be able to support the weight of a setup like RedCowboy's link, before they...

I am building a laser maze and have ordered a variety of lasers from 5mW to 20mW on ebay. I want to standardize them but am trying to find the most economical one that keeps a good quality beam after a few mirror bounces. I have ordered a few where the driver is a circuit that hangs out the...