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150mW 532nm Solid Green Laser Diode Module w/h Heatsink - eBay (item 260620315831 end time Jan-10-11 20:34:03 PST) It doesn't say in the listing and I can't really tell just by looking at it.

Hi, I am finishing a build on a 150mw 405nm laser and all I need to get is a driver. I know what current to set it to and everything, but it is much cheaper to just buy a LM317 and a resistor instead of a driver. What are the advantages to a driver vs an LM317, since they both basically just...

Hi, I've searched for an answer to this question, but couldn't find out if welding goggles would be enough protection for my eyes against a 150mw 405nm laser that I built. If I replace the lenses with UV filter lenses or add them in front of the welding goggles, would that protect me enough?

Hi, I just built a 405nm bluray laser, and the current is about 110ma, and it is about 100 mw. It should be able to burn, but after focusing the beam as much as possible with this aixiz lens it still will not light a match or burn black plastic. Help please, and here are pics. you can see that...

Hi, so I just ordered the parts for my first build, and i wanted to see if this sounded good with everyone, or if anyone had any suggestions. I bought a PHR-803 diode and a Flexdrive preset at 110 ma, and an Aixiz module. I bought a heatsink from Jayrob also, and plan to power it with a 9V...

Hi, I'm just getting into laser building and I just bought a multimeter and have no test load. I really don't want to build one, since I'll probably make some mistakes, so does anyone have a spare I could buy?

Hi, I recently purchased a laser diode and driver for a 445nm 150mw laser from laserdiy.com and I am having trouble wiring everything together. I have a 3V battery hooked up to a switch and I soldered wires to the positive and negative pins on the diode, but I have no idea how to connect the...