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Old 08-31-2008, 06:51 AM #1
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Default laser diode dead?

well... i got this... http://www.dealextreme.com/details.dx/sku.10902... wasnt sure what to do... so i replaced the lil bulb in it with a red laser diode it worked fine for all of yesterday... then tday after i recharged the batteries n tried to turn it on..... nothing happened... did the diode burn out?... if so what can i do to fix it? is it kinda like the dorcy jr thing where u have to put a 6ohm resistor?... i wanna try n do something.. if i can


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Old 08-31-2008, 07:13 AM #2
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Default Re: laser diode dead?

You dont just replace it with a laser diode.

First, You shouldve put it in an Aixiz/Sure module. Read on the forum how to do this. Secondly, YOU NEED A DRIVER. Without limitation on current, you fry your diode. If you werent using a driver, never expect to use that diode again.


rckstr and Dr.Lava sell drivers. Check the stickys in the BST section.
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Old 08-31-2008, 07:30 AM #3
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Default Re: laser diode dead?

hmm.. well i did use a module... srry i fergot to put that in the post....... i dont feel like spendin money on a driver... im wondering if i can do anything with the one in the flashlight........ i wonder what the board in the flashlight is rated... o well
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Old 08-31-2008, 07:37 AM #4
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Default Re: laser diode dead?

Quote:
Originally Posted by bugattidude
hmm.. well i did use a module... srry i fergot *to put that in the post....... i dont feel like spendin money on a driver... im wondering if i can do anything with the one in the flashlight........ i wonder what the board in the flashlight is rated... o well
Theres no cheap way around this except building your own driver, and that takes ALOT of skill and patience.

Otherwise you will keep blowing diodes and paying more and more money.
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Old 08-31-2008, 07:39 AM #5
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Default Re: laser diode dead?

Quote:
Originally Posted by bugattidude
hmm.. well i did use a module... srry i fergot *to put that in the post....... i dont feel like spendin money on a driver... im wondering if i can do anything with the one in the flashlight........ i wonder what the board in the flashlight is rated... o well
You were lucky it lasted as long as it did. Do you feel like spending money on more diodes? Without a current regulating driver, you might as well turn it back into a flashlight.

Peace,
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Old 08-31-2008, 07:47 AM #6
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Default Re: laser diode dead?

Quote:
Originally Posted by el-taco
[quote author=bugattidude link=1220165475/0#2 date=1220167833]hmm.. well i did use a module... srry i fergot to put that in the post....... i dont feel like spendin money on a driver... im wondering if i can do anything with the one in the flashlight........ i wonder what the board in the flashlight is rated... o well
Theres no cheap way around this except building your own driver, and that takes ALOT of skill and patience.

Otherwise you will keep blowing diodes and paying more and more money.
[/quote]

Why yes there is. link --> http://www.youtube.com/watch?v=BI7iuBze5I8
It's bulky but it's worth it.

--hydro15
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Old 08-31-2008, 08:47 AM #7
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Default Re: laser diode dead?

I meant one that would fit in to a flashlight

whoops lol
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Old 08-31-2008, 09:43 AM #8
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Default Re: laser diode dead?

[link=http://www.dorcydirect.com/p-15-41-4262-45-lumens-1-watt-led-flashlight-with-cr123-battery.aspx]This flashlight has a build in driver that works well for red laser diodes[/link]. You should add a 2.2 ohm resistor for 20x diode or 5 ohm resistor for 16x diode.

-Kendall
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Old 08-31-2008, 08:24 PM #9
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Default Re: laser diode dead?

o... well... i kno the lava drive is about the size of a dime.... how big is the rkstr drive?... i have about .5 square inch space
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Old 09-01-2008, 04:30 AM #10
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Default Re: laser diode dead?

the rsktr fits int he back housing of the axixz module :P
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Old 09-01-2008, 05:42 AM #11
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Default Re: laser diode dead?

Quote:
Originally Posted by el-taco
I meant one that would fit in to a flashlight

whoops lol
Yeah, but it worked for my first laser.

--hydro15
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Old 09-01-2008, 08:12 PM #12
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Default Re: laser diode dead?

oo... thanks...

could someone give me a link to both.... cuz im not too good at findin stuff on here...lol
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Old 09-01-2008, 08:20 PM #13
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Default Re: laser diode dead?

n when i got my module... the circut board was small n round... ii replaced the 5mw diode in it with one of my dvd burner diodes n after a while they burnt out... is there something wrong with the citcut board?... i was thinkin about hookin the circut board up to the board in my flashlight... i probably only have 4 diodes left
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Old 09-01-2008, 08:30 PM #14
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Default Re: laser diode dead?

Dude, you need to do a lot more reading before you waste any more of your money and time burning out things because you're groping around in the dark. The information isn't hard to find on this forum (hint: look in the obvious places), and some self-investigation is always better than just having someone else hold your hand through the process.
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Old 09-01-2008, 11:27 PM #15
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Default Re: laser diode dead?

Quote:
Originally Posted by Bionic-Badger
Dude, you need to do a lot more reading before you waste any more of your money and time burning out things because you're groping around in the dark. The information isn't hard to find on this forum (hint: look in the obvious places), and some self-investigation is always better than just having someone else hold your hand through the process.

lol... damn... dont have to be a bitch about it... just cuz i havnt found it where ive looked duznt mean i &quot;need&quot; anyone to &quot;hold my hand&quot;.... cant stand someone who isnt used to the site then keep it to urself... ill look again just to make u happy
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