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    driver for a 2w 808nm c-mount

    hi I would like to know what kind of driver driver a need for my 2W 808nm FAC C-mount. I already have a LM317 but i dont know if it's good ? so if is good I will change the resistance but a don't know what is the amperage for this laser ? and for my resistor how many W I will need ? tank you :)
  2. B

    200mw 660nm underpower ?

    it's normal that I have dificulty to see the beam in dark ? my 5mw 532nm is 2x more easy to see it :S but he can burn mach, pop ballon et burn cd case :S
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    LM317 driver whit to high voltage

    hi, i new here and i would make my laser but a make the lm317 driver but i have a little bug. when i test i have 3.3volt on the bank test and i need 3v how a can reduce hit and in theory 1.25v/5ohm = 250mA but i had 295mA :S sorry for my bad englis :P


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