I wanted to bring this super interesting discussion back, since it only touched on a few different things before wandering off into ModTracker territory (not so interesting for me...)
If I wanted to program an Arduino to send out Control Voltage for a modular synth, what would the resolution be? Would it be better than MIDI? Enough for microtones? Could it make quick modulations? (I saw that the filtered PWM method which some mentioned here is not good for fast changes in voltage.) How many channels could I get out of one board? I have two, but I haven't touched them yet. Would I need extra hardware (filters etc) to modify the voltage before it goes to the synth? Would anyone be interested in helping with such a project? In the Berlin area even? Are there any programs written for the Arduino that do this already?
best, d.