DIY MIDI Controller Project
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  1. #1
    Tech Convert
    Join Date
    Mar 2017
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    Default DIY MIDI Controller Project

    Hello,

    For my project I am creating a DIY MIDI DJ mixer. I am using this link as a reference;
    http://www.instructables.com/id/A-Fr...tylish-Modula/

    My mixer will consist of;
    --21 potentiometers
    --5 slide potentiometers
    --43 buttons
    --3 rotary encoders
    --one large display
    --two 4-digit 7-segment displays
    --Various amount of LED's

    That's a lot of I/O pins!!!!

    I plan on using Teensy 3.6 MCU's.

    My question is, can I interface multiple MCU's in my project in order to account for all the I/O pins?

    -If so, this would theoretically help me reduce as much time delay as possible right?

    Thank you.

    -Kevin

  2. #2

    Default

    You can use SPI or I2C to daisy chain microcontrollers, but I imagine one Teensy 3.6 is powerful enough to handle all these components. You can use shift registers to reduce the amount of pins needed on the Teensy.

  3. #3
    Tech Guru DJDoubleYou's Avatar
    Join Date
    Mar 2011
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    Hyperspace
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    Default

    O man please no don't chain these things just use multiplexers, check out my build post here to see how I did it.
    DN-X1600 | 2x X1 MKI | APC 20 | MC-505 | MF Pro & Spectra | Kontrol S4 MKI | XBoard 49

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