Controlling the Rev2 with my bass via the good old Roland CP-40 pitch to MIDI converter. Too much latency for playing grooves but good enough for this kind of stuff! : r/synthesizers
MIDI Solutions Pedal to MIDI Converter – Thomann United States
Expressiv MIDI Pro Bass – Rob OReilly | Expressiv MIDI Guitars
JRRshop.com | Sonuus G2M V3 Bass to MIDI Converter