The Serial - MIDI converter (SM = Serial MIDI Converter) is a software solution to get your computer's serial port (or virtual serial port over USB) talking with your MIDI software and hardware. Dwa 125 Drivers Download there. Normally, to use an Arduino or other micro-controller with your MIDI software you had to build a MIDI-in and MIDI-out circuit with a few parts and an opto-coupler. Easy enough, but then you would typically need a MIDI to USB adaptor to connect it to your computer. With the SM and a board like you the Arduino with USB, you don't need any other hardware to get your Arduino to play music with software such as Apple's GarageBand or Ableton's Live! Octava Sd4 Keygen. C In A Nutshell.pdf. Store What it does: Once the SM is configured it will; 1.