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  1. J

    3.5W Engrving build

    thanks for the feedback. i can't find out much about the driver another company says there boards come set giving out 3.5 watts and the module draws 1.8 amps, chinese company says find a driver that gives out 3.5 amps but i'm going to try to use this driver with 3 18650 hooked to the dc in. i...
  2. J

    3.5W Engrving build

    , im https://www.ebay.com/itm/Engraving-3W-3-5W-450nm-Blue-laser-Module-TTL-Cut-Burning-Gift-Goggle/332291745400?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649 thanks im gonna try 2 6v lantern batteries, i relize know this is a poor choice for powerful hand held laser, just having...
  3. J

    3.5W Engrving build

    so. . .you don't know?
  4. J

    3.5W Engrving build

    i just got into lasers and bought a 3.5w 450nm module/TTL and will attempt to put in a flashlight. I'm thinkin on using 4 16340 batteries or is that not enough? its analog ttl but i dont see any button in the pic. any help would be greatly appreciated. I got excited and jumped in this to fast.


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