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You might remember the Hard Drive Oscilloscope project that was made about 3 and a half years ago (wow how time flies). Over the years there have been lots of people who have been inspired by it and built a project similar to it. Here is one, here is another, and one more for good measure. I was amazed to see that there was actually about 30 of them built! This Dual Hard Drive Laser Drawing Machine works in a similar way but actually uses 2 hard drives to provide more control of the laser beam. “Lux Vocis works like so: a user speaks into a microphone and my puredata patch picks out the most commonly recurring spectral peaks of the voice. These frequencies are then used as seeds for a Lissajous figure, which is then drawn on the surface by oscillating the two mirrors attached to the hard drive voice coils.”
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January 6th, 2010
i don’t get it. he takes a picture of a laser drawing?
January 7th, 2010
well, it looks like he uses the laser to style his clown hair
January 12th, 2010
[…] This gadget uses two hacked hard drives to draw Lissajous figures using a laser. The voice coil, which is normally used to position the head assembly on the platter, is hijacked to instead move a hinged mirror. With two hard drives, two voice coils, and two hinged mirrors, you can displace the laser beam in both the X and Y dimensions. […]