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
Ibanez MC1 Guitar Pitch to MIDI converter
Kilpatrick Audio | Analogue Haven
IVL Pitchrider Guitar To Midi Converter (IM Nov 86)
MATRIXSYNTH: Roland CP-40 Pitch to Midi Converter with Original Box
REVIEW: Vochlea Dubler pitch-to-MIDI converter - Audio Media International
MIDI Converter - PAiA - DIY Music & Sound Electronics Kits - Synthesizer, Theremin, Studio