Multiple pitch + velocity CV outputs via MCP4822

Eagle layout and Cambam panel for a clone of a famous handclap voice circuit

one-sided PCB layout for Ray's most up to date VCO core (includes ramp output)

Uses the MIDI library to operate two MCP4822 DAC

Moog Taurus type Transistor Ladder LPF

http://www.musicfromouterspace.com/analogsynth_new/VCO20120618REV0/VCO20120618REV0.html

Going for Euro version of http://www.analog-synth.de/synths/mod2/ms20filter/ms20filter.htm

Eagle PCB and panel layout for listed.