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    532nm help..?

    So I have this cool 532nm laser out of a laser diffraction decoration light or party thing.. And well I wired it with 3 AAA batteries, turned on and looked to be about 30mw ish in power. I then tried ripping an 18650 out of a power bank. When I tried wiring it up to that it never lit up.. Tried...
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    Blu ray laser build -HELP!-

    Hey guys, I got a green laser from lazerer.com (100mw) I want to use a bluray laser diode and replace the green one with it. Is this possible? Help me get started, ill supply pictures if needed.




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