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Old 06-17-2011, 03:45 PM #1
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Question Music Laser Show (need help) !!!!

Hello guys, i have found this on the internet: Music LED Light Box


I want to do this but instead of leds i will put lasers ! i am going to make 3 of those circuits, one for 2 lasers because i want o use 9V battery and the o-like drivers want 4-5V so every driver will have 4,5 volts. Now i have a question which cables am i going to connect to the sound circuit ? The TTL or the power ? And this is the driver: 2pcs Constant current laser diode driver 80-500mA w/TTL [OLDD20] - $5.00 : Welcome to O-Like.com, Your source for laser products


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Old 06-17-2011, 08:21 PM #2
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Default Re: Music Laser Show (need help) !!!!

This didn't need a new thread. Stop spamming. I didn't reply to your PM's because I was hoping you might go try to find out some information for yourself.

Basically, you don't know enough on your own to do this yet. Spare yourself some expense, read up, and build it in a month or two. You can probably do something cooler then.

How old are you?

-Trevor
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Old 06-17-2011, 08:23 PM #3
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Default Re: Music Laser Show (need help) !!!!

I am 17 , please trevor one last question !!! Wont ask anything else !! Only tell which wires i have to connect the ttl or the power !! Just this ! pls
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Old 06-17-2011, 08:31 PM #4
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Default Re: Music Laser Show (need help) !!!!

Think logically. You tell me.

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Old 06-17-2011, 08:33 PM #5
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Default Re: Music Laser Show (need help) !!!!

I say the power cables !! Correct ?
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Old 06-17-2011, 08:35 PM #6
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Default Re: Music Laser Show (need help) !!!!

Okay, so that will turn the laser on. Then what?

-Trevor
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Old 06-17-2011, 08:40 PM #7
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Default Re: Music Laser Show (need help) !!!!

Did you checked the website for the music led box ? I am going to do the same but instead of 4 leds and a 12v battery i will use 2 lasers and a 9v battery !!! I have tested the circuit with the TIP31 and it works great with some spare leds that i have ! Then the lasers will light up with the beat of the music !
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Blue-rays
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Blues

Bigboy ~2.5W
Labby 1.8W
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800mW WL Spyder Arctic G2
Greens
O-like Green Crown 500mW Peak 731mW Chart here
PL520 100mW
Cheap e-bay 25mW and 100mW

Reds
O-like cute 300mW (Dead)

LPMs
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Old 06-17-2011, 09:02 PM #8
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Default Re: Music Laser Show (need help) !!!!

Yes I checked it.

A 9V battery isn't going to be able to support 2 445nm lasers... if it will at all, it won't for very long.

If this were me, I'd wire the modules in parallel on a 5V supply. Then I'd use 5V TTL modulation from an Arduino to control the lasers.

This design assumes that loud spikes in the music will correspond to the beat. If it does not, the light will look out-of-sync and distracting. If your music lacks spikes, the light will merely flicker.

You should learn more before you try to do this project.

-Trevor
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23:10 <ARG>    nothing has blown up yet :)
23:10 <Trevor> that is a distressingly low standard for success

Last edited by Trevor; 06-17-2011 at 09:03 PM.
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