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DIY Midi Control Surface

samuelhansonsamuelhanson
in Creations

I'm trying to figure out how to build a control surface with 33 motorized faders, pots, and a number of buttons and encoders. Problem is, it doesn't seem like any microcontrollers can handle that many analog, let alone powered, inputs. I'm still kinda new to this stuff, but I've looked high and low for some info on that and I haven't come up with much. I'm assuming I'll have to put together my own midi "brain", but I'm not sure what that all entails. Help?

Comments

  • TelefunkyTelefunky
    edited August 2017

    well, I don't know of any human being capable to ride more than 2-4 faders simultanously.
    And I doubt that you plan to do an automated analog mix of so many channels either.
    (though the number 33 suggests something like 32 channels plus master)

    DIY of such items from the ground up is demanding in both hardware and software.
    You may consider a Mackie/Pro Tools controller with extensions instead.
    (imho you definitely cannot build it cheaper than those units)

  • ProcessaurusProcessaurus

    Someone in another thread here mentioned this Doepfer diy midi board, looked great for someone that didn't want to spend a month coding something (or spending a year learning how to code something)doepfer.de/usb64.htm

    I don't know about motorized pots though. If it were my project and it was a one off, I would use a couple bcf2000's.

    One troubled aspect to motorized pots, is software support for talking back to the midi controller, so your motor pots update in a meaningful way. Ios is particularly barren with deep midi support, like you want.

    The only iOS apps I have that support complete, 2 way communication with a midi controller, is Animoog (with MIDI IAP), Model 15, and Patterning. There is more on the PC.

    https://forum.audiob.us/discussion/13537/deep-midi-question-any-synth-apps-send-their-knob-positions-out-to-external-midi-controllers#latest

    OSC is an interesting way to go, rather than MIDI, if your software of choice supports it, because it is set up for two way communication, and does stuff like pass on channel names, parameters back to the controller.

  • ToMessToMess

    You need to make a custom (preferably arduino compatible) pcb for that many motor faders. In general motorized faders are quite complex and really expensive compared to non motorized ones. So much so that you might want to rethink if you really need motorized faders and if you could buy a product that already has them.

  • [Deleted User][Deleted User]

    https://forum.audiob.us/discussion/19514/ot-the-build-your-own-midi-controller-topic

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