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Old 09-12-2010, 02:55 AM #1
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Default Disco laser light

Is anyone familiar with this unit? Primarily can the power output be decreased easily? I'm thinking of a christmas decoration idea but the duty cycle is only
2 hrs. I'm hopeing turning the power down considerably can extend that to continuous operation.

Also is the pattern a starburst or some other pattern?

50mw Green 100mw Red Laser Stage Lighting 4 Disco Party - eBay (item 280550907988 end time Sep-17-10 20:24:39 PDT)

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Rod


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Old 09-12-2010, 03:04 AM #2
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Default Re: Disco laser light

The effect is lines of dots, and then they turn into many dots and scatter, then go back to lines of dots again. You can create the same effect. Find some fireworks glasses. The type that make fireworks multiply. Place one lens in a stationary position, shine a laser behind it, and place the second lens right in front and slowly rotate it. There are videos, and pictures posted here on how to do it, and what it looks like. Just fish around.
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Old 09-12-2010, 08:11 PM #3
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Default Re: Disco laser light

Thanks TJ. They sent me a video from youtube of it working.
I might take the plunge and see if I can make it do what I want.

The biggest problem now is if I can manage to turn the power down to about 10mw.

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Old 09-13-2010, 12:25 AM #4
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Default Re: Disco laser light

Well, I took the plunge but from a different seller. (cheaper) Hope it works out. Even if it doesn't, at least it's more tinkering stuff
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Old 09-14-2010, 04:46 PM #5
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Default Re: Disco laser light

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Originally Posted by RoDnSuE View Post
Thanks TJ. They sent me a video from youtube of it working.
I might take the plunge and see if I can make it do what I want.

The biggest problem now is if I can manage to turn the power down to about 10mw.

I had one like this, to turn down the laser power simply turn the square pots on the laser driver (not the controller which has a large chip), there are one for each laser. If this doesn't work you can always put a darkened crystal in front of the beams. IIRC the driver has analog TTL, you could also add a resistor to the + of the TTL signal. Sorry I cant take pics, I sold it to a friend.
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Old 09-17-2010, 08:32 PM #6
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Default Re: Disco laser light

Thanks Mag,
It will be a while before it gets here but I appreciate the suggestions and info.
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Old 09-17-2010, 10:51 PM #7
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Default Re: Disco laser light

I have seen these more than once and comments of it being "Chriatmas like" since it uses only red & green. I've been looking into these seriously as a base and adding a 635nm, 405nm & 445nm with the music frequency activating the specific color laser. I think that would be very cool.
The lower blues & violets for bass notes, then green for mid frequencies with 6??+ for the high frequencies. Also adding the speaker mirror " bounce", also a spiro unit running the same way.
I've seen the sounds card mod DAC , but haven't had a chance to look into it a lot yet. Still, frequency triggered lasers with multiple "display methods" seems like a very cool thing.
Anyone having ideas or links , feel free to PM me on this subject.
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