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    Help with A-Type M140 Laser diode

    I have this laser here but I'm having a lot of problems with it. (1 8W 445nm A Type M140 Blue Laser Diode in Copper Module w Leads | eBay) I'm trying to supply it with a computer PSU but it has a very high resistance measurement when measuring with a DMM, around 14k ohms. That doesn't seem...


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