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Old 10-24-2007, 09:12 PM #1
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Default Software for LOW end galvos + soundcard?

Scanner noob question here:

I've got some low-speed galvos, which I'd like to use to draw some low point-count, low-speed patterns or text. I can hook them to my soundcard and display music in X/Y.

Does anybody know of some cheap or free software to draw simple shapes or output ILDA via a soundcard? Modifying a soundcard for DC output if necessary is okay.
I looked at LFI Player on SourceForge but it only outputs to expensive I/O devices.


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Old 10-25-2007, 03:28 AM #2
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Default Re: Software for LOW end galvos + soundcard?

for ILDA, you need a special driver, and galvo's atleast 20K. do you know what speed your galvo's are? as of now, i still haven't found any software for this application.
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Old 10-25-2007, 11:23 AM #3
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Default Re: Software for LOW end galvos + soundcard?

you need a DAC im guessing. a usb one isnt cheap
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Old 10-25-2007, 12:26 PM #4
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Default Re: Software for LOW end galvos + soundcard?

These galvos are out of an old laserdisc player, and I'm sure they won't do more than a few hundred pps, and are of course, open loop.
I know I need a DAC, but that's what a sound card does. I've seen mention of a program called Heathcliff that will supposedly output to a sound card, but I can't find it anywhere.
If worst comes to worst I'll write something myself, but I hated to reinvent the wheel.
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Old 10-25-2007, 03:06 PM #5
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Default Re: Software for LOW end galvos + soundcard?

Okay, I finally found the download for Heathcliff:
http://patrick.kolla.de/index.heathcliff.html
(Way on the right, at the bottom of the frame, below the German text.)

I'll post some pics when I get it working.
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Old 10-25-2007, 05:39 PM #6
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Default Re: Software for LOW end galvos + soundcard?

If they are the eBay galvos I think you're thinking of, I wouldn't suggest pushing them past 10-20pps (no, I didn't forget a k). I was just running them from an amplified stereo line for that.
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Old 10-26-2007, 10:20 AM #7
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Default Re: Software for LOW end galvos + soundcard?

Right what you need to buy is a DAC a guy by the name Norm makes DAC kits they only $23, cheap cheap, plus his site has laser show software for free. Best way to go Here is his site http://74.58.33.200:81/ and his ebay site http://search.ebay.com/_W0QQfgtpZ1QQ...assZekitforall enjoy!
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