Serial MIDIHow to use it All Platforms. The SM is basically a traffic cop, you know the type that would direct traffic in an intersection with white gloves. Launch the SM and follow along with these steps. Step 1. Choose a serial port. This is the serial port that will be used for both serial TX and RX. Your micro controllers serial port must be set to 5. N1. Even though MIDI is transmitted at 3. Lucent Dacs Ii Manual. Step 2. Choose a MIDI in port. This is the source of MIDI data that will be sent out of the serial port. This can be a little confusing, if you are using audio software this will be the MIDI out of the software If you are using an external controller like a keyboard, this will be the MIDI in port from that device. Step 3. Choose a MIDI out port. PHPRunner-8-Key-1.png' alt='Html Kit Tools Serial Key' title='Html Kit Tools Serial Key' />When the SM receives serial data it will pass the data out of this MIDI port. You will most often choose the port that your audio software uses as input, but you could also choose another MIDI device. Done. You are now ready for some fun. The SM must be running to direct MIDI to and from serial ports. So, just let it run in the background. NOTE If you are using SM with an Arduino, you must quit SM before you can upload a new sketch to the Arduino. This is because, as long as the SM is running it will keep the serial port open and this will make it unavailable to other programs, like the Arduino IDE. Intro The Serial MIDI converter SM Serial MIDI Converter is a software solution to get your computers serial port or virtual serial port over USB talking. The high quality of the STOL CH 701 design and kit assures you that this is one project youll be proud to own and fly for many years.