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laser dot laser

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laser dot laser Customers Reviews

  • suprisingly bright

    posted by slzer

    dead easy to use, just connect up to 5v and gnd and it will turn on.draws very little current so can actually be directly powered by an arduino digital pin although it is always worth considering using a transistor to power it from the 5v line instead.easily reached the end of my room and well into the hallway. so it can get over 10-15m easily in inside light levels.
    i have made the prototype laser turret for my battling rc vehicles :P
    good little laser which i got up and running very quickly
  • Very bright, but switch finnicky

    posted by beta34

    Very bright.Uses readily available AAA batteries and battery life is pretty long.
    This thing is ridiculously bright, definitely exceeding 5 mW (close to 12 mW measured with a high end laser power metre). It's a bit too bright to use for presentations if you're standing close to the screen, but the beam is clearly visible at night so it would be good for pointing out stars and the like.
    Bright, maybe too bright for indoor use as a presentation pointer.
  • 2~5mW Dot Red Laser Module (5-Pack/3V)

    posted by dagabu

    Upon un-packaging I noticed that the all brass construction of the laser head was well milled and bright. It was a pleasant surprise to see that since that means that I can solder plates, tubes, mounting arms etc to them without difficulty. I then hooked up two 1.5V button batteries and tried it out. All five lasers worked great, the point was still fine and not fuzzy at 100m.
    I bought a bunch of A23 batteries and harvested the LR932 batteries from them and soldered the positive to the red wire and the negative of the second battery to the black wire. All I have to do is touch the two batteries together and the laser lights. These will be a lot of fun to use and I intend to mount these on Frisbee's and rockets to track them.
    For a little over $6.00, you really cant go wrong with these.
  • LASER!

    posted by Caizer

    WORKS! does what it's supposed to do. bought it to paint with light for photography and it works great. Easy to find batteries for it. the Gypsophilia function is fantastic
    WORKS! does what it's supposed to do. bought it to paint with light for photography and it works great. Easy to find batteries for it. the Gypsophilia function is fantastic
    Get one it won't be regretted, the dot field is entertaining as hell to use
  • 2-5mw 3v laser module revieuw

    posted by SMETZEL

    Great build quality, focus works, enough output power.Well packaged. Product is easy to use just connect wiring. Pay attention to polarity i don't know if its protected in any way for wrong polarity.
    Shipping time to Netherlands where 4 weeks. Pay attention to polarity i don't know if its protected in any way for wrong polarity. In general laser diodes need a stable power supply don't exceed the maximum voltage and take extra care for polarity.
    Great product for a fare price.
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