- look at here for an idea:
and comments above / below 
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veroboard/protoboard/breadboard are mostly the same thing: support for components that have to be soldered.
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For the DAC/ADC, while looking
maybe just Dupont wires can do the trick.; power, SDA/SCL for I2C (pins 3&5) and 4 pins for I2S (pins 13,35,38,40).
I find the 40 wires ribbon cable complicated to manage.
- 16-knob USB MIDI: it will be recognized as is: like any onother controller. You will have to assign each control to the function you want with the “MIDI learn” process