Eurorack synth voice using Pro-Micro controller Circuit: Midi In on RX using 6N138 optocoupler Multiplexer with 8 pots audio out x2 16 pin eurorack power in Code: using MIDI, Mozzi and Mux libraries Pots can be mapped to any parameters in the synth Finished front panel Panel after paint and clear coat Protoboard wiring and components Resources used: Mozzi Library Midi library Mux Library Notes and Volts Midi in