Back surdo (L for low, H for high R/L: accented note (right/left hand suggested r/l: Quieter, unaccent note *R or *L: Trill this note Delete Page Deleting the wiki page "Modules Index" cannot be undone. Continue? Schematics/Unseen Servant/Unseen Servant_slider_board_noncanonical.kicad_dru UI: 11 potentiometers 11 SPDT switches 13 SPDT switches 13 SPDT switches 1 rotary switch, 5+ positions 10 LEDs - Consider: 1 simple on/off switch/button/knob/etc. PSU \+12V, -12V and ground needed, probably up to 1amp - maybe not as efficient as a sequence of envelopes.