Hd Dj
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Thread: Hd Dj

  1. #1

    Default Hd Dj

    A guy on my favorite DIY site posted a niffty looking controller out of an old HD. Check it out:
    http://www.instructables.com/id/HDDJ...into_a_rotary/
    Last edited by Foreverhex; 11-12-2008 at 03:49 PM. Reason: linkage
    SyblingQ - Electro House for dark alleys.

  2. #2
    Dr. Bento BentoSan's Avatar
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    Thats pretty sick, looks cool too.

  3. #3

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    It seems to be over my head. He is not doing this via midi thats for sure.
    SyblingQ - Electro House for dark alleys.

  4. #4
    Tech Mentor
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    *jaws drop. That's super cool.

  5. #5

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    I guess this guy does a lot of stuff:
    http://research.microsoft.com/~nvillar/
    SyblingQ - Electro House for dark alleys.

  6. #6
    DJTT Ninja Mod tekki's Avatar
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    INstructables is just soooo cool!
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  7. #7
    Tech Guru charo's Avatar
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    The HDDJ is implemented as an embedded device, with a
    Microchip PIC microcontroller with built-in support for serial-line
    emulation over USB. The microcontroller operates a continuous
    routine in which it polls the state of all eight buttons on the
    device, calculates the spin velocity/direction of the spin-plate
    based on the HDD motor outputs (cf. Figure 4), and samples the
    position of the slider potentiometer. Only when a change of state
    in any of the controls is detected, this information is
    communicated to the PC via proprietary ASCII-based serial
    protocol. In every poll cycle, the microcontroller program checks
    the status of the incoming serial-line buffer for control data from
    the PC. The HDDJ responds to commands to turn on or off any of
    its built-in LEDs, or to set the position of the motorized slider. In
    this way, the device, although self-contained, remains generic and
    independent from any particular ColorDex program logic, with
    the intention that it could be easily incorporated into a different
    system. A planned revision to the firmware will add support for
    the MIDI protocol over USB.
    interesting stuff thanks for the link

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