The Jake's Custom Shop MIDI to CV Converter eurorack module is a re-configurable digital to analog converter based around the MIDI-Muso Integrated Circuit. A total of 18 outputs can be used as 1 V/O CV outputs, gates, triggers, and various MIDI effect triggers. The Module is shipped in mode “4PV.” In this configuration, four MIDI notes on one MIDI channel may be played polyphonically to create chords and complex melodies. Up to 6 MIDI notes, each on separate channels, can be mapped to individual CV and Gate outputs. This module is also great for use as a drum sequencer with up to 11 auxiliary gates. There are essentially limitless combinations of CV, gate and MIDI effects.

Converts MIDI to Control Voltage
Up to 6 Polyphonic notes
Eleven operation modes
Monophonic and Polyphonic modes.
10-octave range (0 to 10 V)
1, 1.2 or 0.5 Volts/ per octave
Operation modes are static during power cycling
MIDI-in/out for adding multiple MIDI Devices
White LED indicators on each Gate and MIDI input

MODULE DEMO

FUNCTIONALITY

Attribute	Data
MIDI-IN	MIDI-TRS Type A style input jack
MIDI-THRU	Duplicate of the MIDI IN jack. For sending MIDI messages to another MIDI device. MIDI-TRS style output jack.
B1, B2, B3, B4 [CV]	MIDI pitch control - controls pitch of an oscillator
B5, B6, C3, C4 [V1,V2, V3, V4]	MIDI velocity control - controls volume of up to 4 oscillators
C1 [PITCH BEND]	MIDI Pitch Bend command
C2 [MOD]	MIDI Modulation command.
C5 [CC71]	Controls filter resonance
C6 [CC74]	Controls filter frequency cutoff
D1, D2, D3, D4, [GATE]	On-state high when a MIDI note is sent. Corresponds to CV1-CV4 in mode 4PV.
D5 [A Gate 1]	Auxiliary Gate. MIDI Channel 16.
D6 [CLOCK]	MIDI Clock for syncing other synths. Produces a 24 pulses per quarter note.
CHAIN IN/OUT	2-pin jumper on back of module for chaining multiple JCS MIDI-CV modules together.

ELECTRICAL CHARACTERISTICS

Attribute	Min	Typ.	Max
Current Draw [mA] +12V +5V -12V			50 30 5
CV Outputs [V]	0		10
CV [V per Octave]		1, 0.5 or 1.2 V/octave
Gate [V]	0		10

PROGRAM CHANGES

In order to change modes of the MIDI-CV modules you will need:

A PC to web app: MidiMuso Tool
A USB to MIDI converter: (included)
A MIDI TRS connector: (Included)

Simply connect your computer to the MIDI-CV module via the USB-MIDI cable and run the web-based programing tool. You may have to refresh the browser to detect the USB.

DIY Kits

Full DIY Kit Variation:

Includes all necessary components (Jacks, LEDs, CV-12 IC PCBs etc.)
PCB is labeled for easy assembly
Through-hole soldering only.

PCB and CV-12 Only Variation:

Requires you to supply a number of components (See Bill of Materials below)

Bill of Materials

MECHANICAL DATA

Attribute	Data
PCB dimensions	49 x 100 mm
Panel dimensions	50.5 x 128.5 mm (10HPX3U)
Depth of module	25 mm

RESOURCES

It is highly recommended you read through the MIDI-Muso datasheet to get the most out of your MIDI-CV module. The datasheet goes into great detail of the functionality and modes.

JCS MIDI to CV Datasheet.pdf

MIDI Muso CV-12 Chip Datasheet

MIDI Muso CV-12 Chip Data

Online program changer

MIDI-TRS Type A Adapter

Bill of Materials

Figure 1. Operation modes of the MIDI MUSO CV-12 chip.

All Jake's Custom Shop items carry a 100% satisfaction guarantee. If for any reason you don't like it I will personally cover your return shipping and fully refund your order; never any questions asked!