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#1
02-08-2010, 11:27 AM
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Red LED verification question
Howdy all,
Just more of a mental thought process than anything... I'm building a padawan saber for a friend's son's upcoming birthday. Using 4AAA powering a cheapo hasbro "duel action" board, already connected to a 1000 mA buckpuck. The question is about the red, which I probably should have anticipated. I know the LuxIII reds are supposed to be the brightest (when properly driven or overdriven), but seeing as how with this particular setup (and limited now to 1000 mA), the red LuxIII is being underdriven (basically getting 2/3-3/4 of the ideal amps the LED really wants). The red looks ok, but when held up to a properly driven blue P4, it just looks sad and not nearly as bright as I'd hoped. Yes, I know it's my fault for not planning the thing better <insert facepalm>. I guess I could also try swapping out the buckpuck for a resistor instead too, but the saber is all assembled already and desoldering that part sounds like a P!T@... I guess my question is, if I swap out the Red LuxIII for a Seoul P4 red, it in theory *should* be brighter, right? At least that's what I'm planning on doing... just wanted to get some feedback from you all.
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#2
02-08-2010, 11:32 AM
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A hasbro board only give out 350ma- max.
You should use a relay to better suit your purposes... I've used LUXI red oranges with the hasbro boards and they are super bright! (see metus for example)
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~Do what you can, with what you have, where you are.~ Teddy Roosevelt Sabers I've Built...Click to see! Alpha, Avenger, Lightning Strike, SS #1, SS #2, Parvus Laetitia
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#3
02-08-2010, 02:57 PM
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Oh yeah, forgot about the relays!! D'oh!!
I even used one on a K2 saber a long while back... man I must be getting old or somethin'...  [edit:] About the Buckpuck though - I thought that the output of the buckpuck should be a relatively constant 1000 mA, right? I mean, so for instance, if the Hasbro board is putting out say 5.2V and 350 mA and this goes directly into the buckpuck, then shouldn't the buckpuck be increasing the mA and decreasing the voltage appropriately? Man, it's hard going back to these econo boards once you've gotten used to MRs and US...
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Last edited by cannibal869; 02-08-2010 at 03:04 PM.
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#4
02-08-2010, 04:12 PM
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I wouldn't connect a buck puck to the output one of those boards. I don't think it would be a good idea to try to pull 1000mA through it. I don't even know if that would work.
It would be better to split off and just hook the puck directly to the battery and to the board. That's what I'd do, anyway.
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In order to see the Light, you must sometimes risk the Dark.   BLUE 8 Ready to ROCK and ROLL! -OFFICIAL JSSDC BMF
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