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hackaday.com - 11/12/2008

HDDJ: hard drive as rotary input

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[nvillar] wanted a relatively cheap way to make a rotary input device for audio mixing. After looking at several options including turn tables and professional audio scrubbers, they decided on the hard drive due to its size, price, and the feel of the disk. The geek factor of using a hard drive ...

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instructables.com - 11/12/2008

HDDJ - hard disk for rotary input

— instructables.com — HDDJ - hard disk for rotary input (more) HDDJ - hard disk for rotary input

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HDDJ - hard disk for rotary input
MAKE Magazine — ... that an electric motor, when turned, acts as a dynamo and outputs a voltage. The answer is yes - and it's a very simple process to turn a hard disk into a rotary input device that has some unique properties. All you'll need is an old hard disk drive, a few op amps, resistors and a programmable microcontroller of some kind.Nice pushbuttons! See the instructable for all the project deets - HDDJ: Turning an old hard disk drive into a rotary input device [via Hack a Day] Read more | Permalink | Comments | Read more ...

A hard drive hack for turntablists
Engadget — ... and New Zealand all worked together to come up with a homebrew digital DJ interface, and the above HDD-cum-turntable sits at the center. The weight of the disk plus the quality of its bearings won the crew over, and with "a few op amps, resistors and a programmable microcontroller of some kind" you too can be mixing in no time. Full instructions are at the read link, and check out the video below for a little platter-scratchin', oscilloscope-watchin', "wicky wicky" action. [Via Hack A Day] Continue reading A hard drive hack for turntablists A ...