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Introduction

This is the User Manual for the issue 4 and 5 midiDAC midi to CV convertor 5U module from
Oakley Sound. This document contains an overview of the operation of the unit, the midiDAC
PIC specifications and the calibration procedure.

For the Builder's Guide, which contains a basic introduction to the board, a full parts list for 
the components needed to populate the boards, and a list of the various interconnections, 
please visit the main project webpage at:

http://www.oakleysound.com/mididac.htm

For general information regarding where to get parts and suggested part numbers please see 
our useful Parts Guide at the project webpage or http://www.oakleysound.com/parts.pdf.

For general information on how to build our modules, including circuit board population, 
mounting front panel components and making up board interconnects please see our generic 
Construction Guide at the project webpage or http://www.oakleysound.com/construct.pdf.

The issue 5 midiDAC fitted to a 2U wide natural finish Scheaffer panel.

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Summary of Contents for midiDAC

Page 1: ...Oakley Sound Systems 5U Oakley Modular Series midiDAC Single Channel midiCV Converter PCB Issue 4 5 User Manual V5 0 Tony Allgood Oakley Sound Systems Carlisle United Kingdom...

Page 2: ...The suggested front panel layout for the 2U wide MOTM format module 2...

Page 3: ...s interconnections please visit the main project webpage at http www oakleysound com mididac htm For general information regarding where to get parts and suggested part numbers please see our useful P...

Page 4: ...dulation 0 to 10V proportional to modulation wheel position Aftertouch 0 to 10V proportional to midi channel aftertouch CC 100 0 to 10V proportional to midi controller number 100 Legato This signal go...

Page 5: ...when the pitch CV changes the envelopes will be retriggered just like a normal note This allows fast keyboard runs to be easily achieved The new suggested panel layout incorporates both the glide and...

Page 6: ...received It will briefly blip high in the case of legato mode off if a second or third etc note is pressed whilst others are still held down The Slide output will go low if more than one note is acti...

Page 7: ...ound 0 is switch closed ON and 1 is switch open OFF Binary codes are being read pin 4 to pin 1 Pin 4 is MSB pin 1 is LSB Code Midi Channel 0000 1 0001 2 0010 3 0011 4 0100 5 0101 6 0110 7 0111 8 1000...

Page 8: ...ch on the midiDAC unit should remain in the off position midiDAC Implementation of MIDI Controllers The following table summarises the MIDI controllers supported by the midiDAC firmware Hex Dec Midi C...

Page 9: ...reactivated in order should the most recent notes to be held be released Copyright Notice Please note No permission is granted to copy in anyway or alter the PIC firmware provided on the midiDAC PIC...

Page 10: ...n minutes or so Now play the highest C on your controller keyboard Use the keyboard s octave select buttons to ensure your controller is set to produce the highest octave Your keyboard will have sent...

Page 11: ...d so that the Pitch CV output produces 5 000V when a C4 note midi note number 60 has been sent to the module Final Comments I hope you enjoy using the Oakley midiDAC midi to CV convertor module If you...

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