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thanks for all the replies, didn't even know that relative brightness calculator website was a thing its pretty cool. And thanks laserbee iv learned a lot the past 1.5 years about building lasers and have recently built a 1 ish watt 405nm laser.

Wanting to build the most bright or most visible laser to the human eye. Im thinking between the NUBM44 450nm @ 7 watts or the NDG7475 1W 520nm.

Good news the new driver got it working learned my lesson the hard way don't hook battery's backward to ur laser. Thanks for all the replies and help, and thank you dtr and survival laser for the good quality parts. Here's a pic:

Well my replacement driver comes in today I hope it all goes well I'v been waiting a long time to build my first laser best laser I'v had before this was some radio shack 10 mw green one.

Ah yes the diode came pre wired reason I ask about the negative wires is that I'v seen some ppl saying solder it strait to the host

I have a question about wiring the diode and driver where should i solder the negative wires of the diode,driver output and input?

I did get the one with extended copper heat sink but if it does get too hot I may move it to a bigger host and use this one for a less power build

Im using the stainless steel from survival laser with the extension tube. DIY Stainless Steel Host Assembly, Extended and Tapered Heat Sink, Unmarked I'm liking the feel of the stainless steel goes together smooth too.

Thanks for all the feed back I'v already ordered me a new driver hope it gets here soon.

Alright thank you for your replies and yes I don't have a proper power supply to test the diode with but I'v already ordered a new driver so I hope it all turns out good.

I did test the output of the driver with a mutimeter and got 0 volts

So finally got my parts to build my first laser have been wanting to for a long time. Parts list: Diode:NUBM06 450nm Laser Diode In Copper Module W/SXD Driver & 405-G-2 Lens Driver:4A Super X-Drive(SXD-V3) Batteries: 2 18650 lg So I wanted to do a quick test to see if it works so I put...