GitHub repository supporting my blog post at sparkfun.com. https://www.sparkfun.com/news/1617
This was written using the Arduino MIDI library from FortySevenEffects. It was using version 4.2, hash 352e3d10fb.
- /Firmware - Arduino project source code
- /werkstatt-midi/ is the MIDI-to-CV code.
- /dac-integration-test/ is simple test code to verify that both of the MCP-4725's are at different I2C addresses.
- /diagrams contains the SVG hookup diagram for the circuit
- /theory contains background documents
- Moog Werkstatt Monophonic analog synthesizer
- Pro-Micro Arduino compatible microcontroller board
- MIDI Breakout MIDI I/O plugs
- MCP-4725 DAC 12-bit I2C digital to analog converter
- 7fac8c0 Initial commit
The individual hardware pieces are released under Creative Commons ShareAlike 4.0 International.
Ordinarily, we'd be using the beerware license for the firmware. However, the FortySevenEffects MIDI library is GPL V3. Since we're statically linking to it, that likely means the result needs to be GPL V3 as well.
Distributed as-is; no warranty expressed or implied.