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  • MarkF107 commented on mever's instructable Laser Vortex2 years ago
    Laser Vortex

    Nice work but there is a reason that the buttons on those laser pointers are momentary. They cannot handle 100% duty cycle. Draining a whole battery charge in one shot is just about enough to cook the laser diode. Commercial versions of such a device would used a cooled laser.

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