Recent content by mitaccio

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  1. M

    Question on running Crees on 12V Battery

    I am wanting to make a special use light for when the power goes out. I have 3 3.7v Cree leds and want to run them in series off of a 12v car battery. The battery runs about 12.3-12.7 volt. Is it going to cause any issues to run 3 in series or should I run 4?
  2. M

    Exterior Housing Lighting

    I just bought a house and am looking to make some lighting for under the eaves. I really would like to use some leds since they are so energy conservative. Has anyone done this before? Pics? Write-ups?
  3. M

    Why does this keep happening?

    That makes sense. I hadn't thought that the driver might have a capacitor. I also mistakenly assumed that the driver would start at the lowest voltage and increase as needed.
  4. M

    Why does this keep happening?

    scrud. well, looks like i need to order more and connect them to the driver first. I hadn't thought that it might cause problems. Didn't do any harm to my luxeons.
  5. M

    Why does this keep happening?

    I had a bunch of Seoul p4's in series and they went. Now I have some Cree XR-E's that are toast. I don't get it. I am using a microdrive9 350 mA driver and have the voltage correct ( I checked everytime). Each time I connect the leads from the driver to the star it flashes and then is dead...
  6. M

    My solar powered indoor led lighting part 2

    Brlux. I just got a panel from my local VW dealer for free. It's the newer kind with a charger controller in line and connects to the OBDI? instead of the cigarette plug. I want to make some yard lighting and wanted to find out about what batts you suggest. I want to keep it cheap. A SLA or...
  7. M

    Undercabinet lighting question

    I am in the process of buying a home and want to add undercabinet lighting to the place. I have a MicroDrive9 and some Cree P4s. The cabinets are divided with two 19" on the left of the range hood (they are right next to each other, but are separate pieces) and a 25" on the right. I am trying to...
  8. M

    Choosing a driver

    So I am totally new to this and want some advice. I am going to make an undercounter light setup and am going to use 4 Cree XR-E P4s in series and need to choose a driver. I can't find the specs on the emitters, so I have no idea of the wattage, voltage etc. I was thinking of the Xitanium...
  9. M

    Bad Seouls?

    I double checked before I turned them on to ensure the polarity was wired right. I had one by itself that also went/
  10. M

    Bad Seouls?

    I ordered 6 Seoul Z-power leds from Deal Extreme. I set them up in series on a Zitanium 350mA driver. I turned it on and got a small glow from the emitter on the middle led, nothing from the others. I tried each of them individually and nothing happened. I tried the driver on a spare Lux I had...
  11. M

    Which is the right way to wire leds?

    Will the Xitanium driver work for those lights? Can it handle up to 6? I am also looking at using a MicroDriver9 because it costs less. Can they both handle up to 6 Cree P4 or Seoul Z-power leds at 350mA?
  12. M

    Which is the right way to wire leds?

    So I may sound dumb, but I am going to ask it anyway. I am wiring 3 Seoul Z-power to a Xitanium 350mA driver 12W. I am also wiring 6 Cree Xr-e p4's an another of the same driver. I am trying to understand the right way to wire these. I have seen some drawings and read articles and still am...
  13. M

    Issue with driver or leds?

    The spark is coming from the solder point on the star, there are 3 for positive and 3 for negative. (hopefully that makes sense)
  14. M

    Homemade Nalgene Lantern?

    Has anyone made a nalgene lantern? I have some spare emitters and thought it would be a fun idea. Cheaper than buying one for $20 and maybe brighter? Any ideas or links to past projects?
  15. M

    Issue with driver or leds?

    The spark is coming from the contact point on the star. The emitter isn't doing anything. I don't have a meter to check the output, but I will try putting a Seoul in series with my Luxeon and see what happens.
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