This is the repository for a simple stereo mixer with 4 mono channels as input and digital volume and panning controls.
- 4 fully analog AC coupled channels
- Stereo mix bus / output
- Channel mute LEDs
- Master level meter LEDs
- Fully MIDI controlled
- Module chaining (digital control and mix bus) to create a bigger mixer
- 4HP Eurorack module
- Manufacturing cost around 20 EUR per module
All parameters are controlled via MIDI CC on channel 16:
| CC | Description |
|---|---|
| 32 | Channel 1 Volume |
| 33 | Channel 2 Volume |
| 34 | Channel 3 Volume |
| 35 | Channel 4 Volume |
| 36 | Channel 1 Pan |
| 37 | Channel 2 Pan |
| 38 | Channel 3 Pan |
| 39 | Channel 4 Pan |
| 40 | Channel 1 Volume (L) |
| 41 | Channel 1 Volume (R) |
| 42 | Channel 2 Volume (L) |
| 43 | Channel 2 Volume (R) |
| 44 | Channel 3 Volume (L) |
| 45 | Channel 3 Volume (R) |
| 46 | Channel 4 Volume (L) |
| 47 | Channel 4 Volume (R) |
firmware: Source code for the microcontroller firmwarephotos: The photos shown on this pageschematics.png: Schematics of the module
