Available as an assembled Module and as a DIY project.
This Module is discontinued.
Sequentix Cirklon Sequencer Eurorack CV Interface
Passive module
http://www.sequentix.com/cirklon.htm
Included in 54 Racks, 23 are public:
Mastro Valvola LEM Lysergic Emotions
Fractal Audio Axe-FX II XL+ with
Prism Orpheus Firewire Interface 8I/8O
Meinl Meinl Byzance extra dry 14 Hi hats
Electro-Harmonix B9 Organ Machine
Wampler Pantheon Dual Overdrive Deluxe