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Old 07-25-2010, 03:17 PM #1
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Default Dealextreme now selling drivers

https://www.dealextreme.com/details.dx/sku.42741
https://www.dealextreme.com/details.dx/sku.42745
https://www.dealextreme.com/details.dx/sku.42746


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Old 07-25-2010, 03:33 PM #2
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Default Re: Dealextreme now selling drivers

The last one looks promising, though if I remember correctly these may not have enough oats to power the red LED's from the Casio projectors? I'll have to go find that thread...

Great find.

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Old 07-25-2010, 03:35 PM #3
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Default Re: Dealextreme now selling drivers

I think if they were adjustable... they would sell like hot cakes...

Jerry
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Old 07-25-2010, 03:35 PM #4
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Default Re: Dealextreme now selling drivers

The PhlatLight is optimal at ~8A, max of 13A, but these are indeed a nice find, +1.


Edit:^@twhite828
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Old 07-27-2010, 03:28 PM #5
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Default Re: Dealextreme now selling drivers

thing about the phlatlight is that it is a single LED, so low Vf and high current needed. Many smaller (but high-power) LEDs in series would be better use of these drivers.

Still, nice to know that, along with recessed lighting retrofit kits, they sell drivers for the things too.
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Old 07-27-2010, 03:56 PM #6
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Default Re: Dealextreme now selling drivers

The output voltage seems a little high
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Old 07-27-2010, 06:15 PM #7
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Default Re: Dealextreme now selling drivers

A resistor will solve that problem easily, won't it?
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Old 07-28-2010, 03:10 PM #8
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Default Re: Dealextreme now selling drivers

Quote:
Originally Posted by Gryphon View Post
The output voltage seems a little high
Then put more LEDs in series
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Old 07-28-2010, 03:57 PM #9
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Default Re: Dealextreme now selling drivers

Thanks +1

Wouldn't the diode/load draw its own voltage, assuming the current is constant?
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Old 07-28-2010, 05:49 PM #10
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Default Re: Dealextreme now selling drivers

I think for a few of those drivers, the lower range on the output voltage is still on the high side. Personally I've not used more than a boost converter for LED with AA or a ldo linear for LED with Li-Ion
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Old 07-29-2010, 03:34 AM #11
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Default Re: Dealextreme now selling drivers

Now selling drivers?
https://www.dealextreme.com/products...search.circuit
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Old 07-29-2010, 03:59 AM #12
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Default Re: Dealextreme now selling drivers

^ yes, but those are drivers made to go inside flashlights, the ones hallucynogenyc
linked can be run off the mains voltage, good for things like labby style lasers.
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Old 07-29-2010, 12:12 PM #13
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Default Re: Dealextreme now selling drivers

Those newest mains drivers are the highest wattage ones they have, but not the only ones. I have a 6 led kitchen light running for 8 months now from DX parts. They have quite a few others as well. Not that I don't appreciate them being pointed out, I just thought the thread title was a bit funny.
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Old 07-29-2010, 04:09 PM #14
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Default Re: Dealextreme now selling drivers

^ohhhh, my bad
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Old 08-07-2010, 06:16 AM #15
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Question Re: Dealextreme now selling drivers

Got mine today...

I started by testing the SKU 42745, the 900mA one. Unfortunately, something is going on, the laser flashes, about twice per second, it is not a continuous emission. The emission has an average of 89mW (using Kenom's meter )

I will check the actual voltage and current in a few minutes.

Any ideas what is going on? Any suggestions?

I double checked all the connections, everything looks a-OK.

Thanks!

P.S.
I placed the question in DX too.
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Old 08-07-2010, 09:36 AM #16
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Default Re: Dealextreme now selling drivers

You could put a few diodes in series and drop the voltage of the 10vdc output model. Great find!

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Please don't dazzle aircraft! You wouldn't hit someone in the face normally would you?
Home of the stainless RAYGUN !
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