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  1. G

    7x XM-L U2 on copper board without insulation layer

    Thanks George. I was reading your email and posting this the same time you did
  2. G

    7x XM-L U2 on copper board without insulation layer

    Looks like the hypebuck will push it too. 80v max input V
  3. G

    7x XM-L U2 on copper board without insulation layer

    Its out of range for taskled driver. Still looking.
  4. G

    7x XM-L U2 on copper board without insulation layer

    Now all i need is a spot optic.
  5. G

    Reflectors for XP-G: Post your tests here

    Not bad at all!! Has anybody tested or have shots of the 25mm 4up version from cutter?
  6. G

    Reflectors for XP-G: Post your tests here

    Looks like a flood rather than a spot. How hard are you pushing these?
  7. G

    Calculating PWM

    How difficult is it to control an LED using only pulse width modulation? How would I calculate the duty cycle to achieve a 1000ma equivalent for a given voltage? I want to try and use a micro-controller to detect battery pack voltage then have it modify the PWM duty cycle to regulate the LED as...
  8. G

    The new XP-G: another big announcement from CREE

    Try this http://www.cree.com/press/press_detail.asp?i=1254314703656
  9. G

    A bit disapointed in the MCE optics

    I'm starting to think that the multichip leds are only going to be floods unless you want a lens projecting the chips.
  10. G

    Need Advice for Cree MC-E optics

  11. G

    MC-E Spot Optics Intensity Plots - Now General Intensity Plots

    Anybody have them on the shelf yet?
  12. G

    Maglite 3 x P7 Divelight

    Not bad.. What is your burn time??
  13. G

    I need a 1400ma LED driver

    The 4 leds will be permanently hard wired to the driver so no load condition is not an issue at this point but the input voltage limit on the SOB is 16 volts. Too low to drive four LEDs that hard with NiMh batteries.
  14. G

    I need a 1400ma LED driver

    Title says it. I'm looking for a single mode 1400ma buck driver to power 4 XR-E R2s in series. If I cant find one off the self will two 700ma Buckpucks in parallel work for a prototype?
  15. G

    P7 Maglite dive light

    What is the water temp you are diving in? What do you think will happen to the life expectancy of the Q5 emitters burning at 1400ma? Thanks...
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