This controller switches modes on the Whammy IV - harmonic octave, 1 octave up, 2 octave up.
You can change the modes for yourself. See the user manual for Digitech Whammy IV at page 14 (MIDI channels).
- Wemos D1 Mini or Arduino Nano
- MIDI output
- 3pdt switches
- LED's
- 200 om resistors
- corpus Gainta G0124
- Arduino MIDI Library
