Recent content by magnusrm

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  1. M

    LED driver for 40-50W headlamp

    Hi guys. I want to make a nice headlamp with a LED like the Cree® XLamp® CMA1516 LED or similar. Any tips on where to get this kind of driver that has low - medium and high setting, and can handle this kind of power? (any other LED chip tips are also appreciated) I want to make a head lamp with...
  2. M

    Molding in LEDs with epoxy

    Ive created another design after I have spoken to an experienced machinist and aqurium builder. He told me that even though PC(lexan) has a higher fracture toughness, PMMA(plexiglas) is a better choice because of the optical properties. Would this be a smart idea? The new design is aluminium...
  3. M

    Molding in LEDs with epoxy

    Thanks for that link, it was very useful! The ROV will have a maximum operating depth of 100m, but the main concern is thermal strains, right? I am adding a picture of the profile im thinking of using. I could of cource mill out a slot in a thicker aluminum plate and either glue or glue and...
  4. M

    Molding in LEDs with epoxy

    Hi. Yes you are correct, each side will be fed 700mA giving the whole board 1400mA.
  5. M

    Molding in LEDs with epoxy

    Hi. Im making an underwater light for my masters thesis (ROV design). The light will have to withstand 100m depth, so stuff has to be completely waterproof. Im thinking of using heat sink paste and screwing the LED board onto a aluminium U-profile, and then fill the profile with clear epoxy. The...
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