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4 Comments
- seanharrison, on 10/12/2007, -0/+0New location for the project. its now at: http://sean1983.awardspace.co.uk/?laserharddrive
- seanharrison, on 10/12/2007, -0/+0Well this project was kinder based on that website, i would love to build my own galvo's but i dont have the patients at the moment, i dont think the build of the galvo's would be the hard part for me, but i would struggle with Controllers, and interfacing it with the PC,
my current aim is as it uses sounds from the speaker out of a HIFI Amp for move the voice coils then surely if i can make some Sound Files up in Cool Edit or something, Modulating The Pitch and Gain over the stereo channels then i should be able to get it to draw some Graphics, At the best i would be happy with a circle or square! And I could get a 3rd hard drive, and use it's Read/Write Arm, with a bit of metal on it as blanking, Also need one of them nice 100mW Laser pens from eBay! Plus anyone know it i could use a servo controller to move the voice coils ?
Thanks for your advice mate, any other help would be great! - enterrupt, on 10/12/2007, -0/+0I've been waiting for someone to come out with a DIY laser projector using hard drive voice coils.
This site shows one guy's build...he made custom galvanometers for the laser deflection.
http://elm-chan.org/works/vlp/report_e.html
To adapt the hard drives to this purpose, one would need to add position sensing to the hard drive heads. This could be done as above using a capacitive sensor. Second, the laser beam would have to be modulated (on/off) by some logic to get the proper blanking. - seanharrison, on 10/12/2007, -0/+0main site: http://fatalxp.blogspot.com
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