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Set to 3 volts of course :p. Or would my diode just pull all 3 volts and fry in 3 seconds? What kind of electronics can I harvest a resistor from?

Replaces battery power with standard household current Simply plug the Battery Eliminator Universal AC/DC Adapter into a standard 110V power outlet, then into a battery-operated electronic item and have a constant power supply. You'll never have to buy batteries again, saving you time and money...

It uses a wall outlet to convert power into 3V 6V "9V battery adapter" and 12V to universally power any small battery powered device. Used to have 4 attachments on it but now its just wired to a 12V cpu fan.

I also have a Green 5 mW laser 532nm. Wondering if my old school telescope view pieces would shrink the beam enough to burn at close range? I never use it so not worried about wrecking an eye piece. (Google Earth Pro, Moon, Mars, Stars.. All I need for astronomy.

Hosed the lasers circuit board trying to repair a disconnected part but was able to salvage the 3 prong laser diode and it should work fine. I am just wondering if I could just hook it up to a household "Battery Eliminator" (Fully adjustable from 3V - 12V. It was a Ray brand.. Ebay laser. Any...