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    Is this laser from eBay plug and play, or does it require a driver?

    Being the cheapskate that I am, I found this laser that's for an engraving machine that's seems like a pretty good deal. It's 1000mW, 405nm and says the input voltage is 4.5-5v. LINK: 1000mW 405nm Engraving Machine Cutter Engraver Laser Head With Violet Light US | eBay Does this likely come...
  2. G

    Hi there, newcomer from Michigan

    Hello all, I am working on a project that would use lasers in an automated system to control weeds around plants, like in a green house. As a little background, I have played around with concentrating sunlight some. Which has some similarities but is different than lasers of course. I do not...


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