You’re welcome.

Do you plan on using many guitar pedals that are MIDI capable? There are more complex controllers that can control everything on your board and act as the “brain” of your rig.

For a simple place to start, either of the two below would be a good choice for a small and effective controller:

https://www.morningstar.io/mc3

https://www.disasterareadesigns.com/shop/p/midi-baby-3

Both of these controllers have an expression pedal input, so you would connect the expression pedal to the MIDI controller, and then connect the MIDI controller to the Knife Drop. You can then map your parameters to the expression pedal, and use the footswitches to load up presets.

You could also program the controller to perform the other functions on the pedal, such as turning the octave effect on/off or bypassing the pedal. You may want to consider a MIDI controller with more than 3 footswitches if you plan on using the controller for more than just the preset selection.

I’d suggest looking on youtube for some tutorials of the above MIDI controllers to get a better idea of what they are capable of. There is a lot you can do with MIDI.