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Old 03-08-2008, 03:33 AM #1
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Default I need a noob project

Ok, I am in high school, can't know any less about lasers, and now I have to come up with a project. I tried looking around the forum for somewhere to start, but now I'm even more dissoriented. I need someone to point me to an easy project my friend and I could work on.

I'm doing this in my physics class, so it doesn't have to be too difficult. I was thinking about doing the burning laser with the dvd diode, but wondering if it would be worth it to learn how to make a driver or if there's a more simple way to keep it from dieing quickly.

Any help would be appreciated! ;D


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Old 03-08-2008, 03:38 AM #2
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Default Re: I need a noob project

this....
http://www.laserpointerforums.com/fo...num=1202777649
look on the last page, there is a picture i drew in paint....and here is where you can get the module in the pic
http://www.dealextreme.com/details.d...094~r.53245540
with this, you dont need a driver, and you can get the battery holder at radio shack.
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Old 03-08-2008, 03:50 AM #3
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Default Re: I need a noob project

http://www.laserpointerforums.com/fo...num=1185701612
if u need instructions on the driver and for the diode, look at
http://stonetek.org/shop/
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Old 03-08-2008, 03:53 AM #4
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Default Re: I need a noob project

also.... this is great
http://www.metacafe.com/watch/101155...river_circuit/
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Old 03-08-2008, 09:44 PM #5
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Default Re: I need a noob project

Ok, thanks for the help. *I'll be sure to go over it when I have the chance.
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Old 03-08-2008, 09:46 PM #6
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Default Re: I need a noob project

no prob ;D
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Old 03-08-2008, 11:38 PM #7
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Default Re: I need a noob project

For an easy project I suggest you do the dorcy mod, all you have to do is add a resistor and a capacitor, you don't need to make the entire driver since it's already built in the flashlight, here's the long ass thread: ;D
http://www.laserpointerforums.com/fo...num=1181635652
And look in the tutorials section, Kenom made a video walkthrough: (he posted that vid in his thread above, but it's all the way in the back of the thread)
http://www.laserpointerforums.com/fo...num=1204859426
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Old 04-03-2008, 01:00 AM #8
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Default Re: I need a noob project

I'm looking for a nice cheap diode now. I was looking at the lite on at newegg which is the cheapest right now, and was wondering if I should get that one? (LITE-ON 20X DVD±R DVD Burner Black IDE Model DH-20A4P-04 - OEM blah blah blah)
I have never extracted a dvd diode before, and don't want to buy one where when I try to get it out of the burner, I destroy it. Links to cheap diodes ($20-$30) that would be good for me would be appreciated.
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Old 04-03-2008, 01:09 AM #9
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Default Re: I need a noob project

You can get a diode pre-installed in an aixiz module here for 27 bucks only!!!! Here's a graph showing its performance.
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Old 04-03-2008, 01:12 AM #10
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Default Re: I need a noob project

That's why I use the links above. I now ask, should I try harvesting a 20x or stay with stoneteks 16x $20 diode? I think I may go with that one if no one has any suggestions
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Old 04-03-2008, 01:14 AM #11
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Default Re: I need a noob project

I have an aixiz module andwant to install it myself, but it looks like I'm going to get stonteks diode
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Old 04-03-2008, 01:38 AM #12
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Default Re: I need a noob project

Oh I'm sorry, I didn't read all the other posts. :-[ ;D
Don't get a lite on drive, those have a short open can diode which is not as strong as a long open can, look at this thread for a 20x Sony drive from which you can harvest a long open can diode really easy.
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Old 04-03-2008, 03:36 PM #13
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Default Re: I need a noob project

I will get that one as a second choice, but if there's nothing wrong with the 16x at santek, theirs is $20 with free shipping I think. I read the post above and another one that says they might have a "bad batch"? Though I think they have that taken care of, right?
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Old 04-03-2008, 03:53 PM #14
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Default Re: I need a noob project

That was weeks ago, now they got diodes that appear to be more powerful then the good ones were. Look here.
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Old 04-03-2008, 06:16 PM #15
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Default Re: I need a noob project

Yeah, I read that. That's the 16x right? either way I am going to get the 16x now.
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Old 04-03-2008, 06:59 PM #16
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Default Re: I need a noob project

Look at the graph, of course it's a 16x, it even seems to be more powerful than my 18x short open can diode.
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