AOUT modules generate analog voltages (and gate signals) controlled by Midibox. Usually these are used to drive Analog Synthesizers.
The following modules are available:
The SHX8 module is used to extend the number of AOUT outputs using Sample and Hold chips
SHX8 Module (expands AOUT Module < 64 CV Outputs) uCApps
(expired, S&H chips are discontinued/obsolete