added regulator for mcu
added dac
clean up
wire conflicts
added optocoupler
added SW debug on midi connector
added midi trigger
clean up
Board retouted

- Cleaned the schematic
- Board rerouted with through hole pots and new connectors
- Lots of little stuff

Signed-off-by: Kamel Makhloufi <melka@blaste.net>
resistor upside down
added more decoupling to vdd pins. jtag in place with a reset line
Merge pull request #3 from melka/addARM

ARM and digital circuitry in place