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Old 04-16-2013, 08:25 AM #17
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Default Re: diy RGY projector with usb dac

Mine works fine with all channels in windows 7, with the drivers that windows automagicly downloads. (Soundcard: Buy C-Media CM106 USB 2.0 External Sound Card Box with 7.1-Speaker SPDIF Optical Output , which has a CM6206-LX chipset)

About the linux part, i got a raspberry PI laying around that i want to experiment with (wireless control etc). And also a cheap android tablet i can use as a midi controller by WIFI (so i can control HE-laserscan for a liveshow).


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Old 04-16-2013, 08:32 AM #18
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Default Re: diy RGY projector with usb dac

Well the thing is: I was able to install it as a multi-channel audio device, but the output didn't seem to output multi-channel audio. This was despite trying a number of drivers. I think Hemlock_Mike had a similar problem.
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Old 05-01-2013, 03:58 PM #19
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Default Re: diy RGY projector with usb dac

Ok, so i didn't update the thread for a while, but the projector is finished

Pictures:
Testing the lasers & galvos.


Inside of the case (testing) :


Front view of the case:


Rear view of the case:
The ilda connector already built in and a test setup of my audio dac connected:

(The potentiometers are for adjusting the strength of each color, to get a good white balance)

Testing some beams with the audio dac:



And the projector in action in a club! (With Quickshow)
The pictures are a bit bad... but it's really hard to take good pictures of a laser with a camera phone.

Beams!


Projecting images onto a LED-pillar.



Beams, seen from the outside.

(The beams were also clearly visible in the club across the street )

Small rainbow wave.



HE-laserscan just didn't work for me with the audio dac.. i had some major issues (circles not being circles, green blanking delays, color swapping).
So i decided to borrow quickshow, and it worked perfectly. No problems whatsoever
The galvo's are only 20k though, so bigger art flickered a bit when i projected it.

This one is going out for rent the next 6 months, and in the meantime i will start building 1 or 2 new projectors with better galvos
Tips for improving the quality of the laser, or aditional features are more than welcome!

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