the all thing is working !

midi/midi.ino

@@ -0,0 +1,34 @@
+#include "MIDIUSB.h"
+#define NUM_BUTTONS  7
+
+// https://github.com/arduino/tutorials/blob/master/ArduinoZeroMidi/PitchToNote.h
+
+
+uint8_t intensity = 127;
+void setup(){
+
+
+}
+
+void loop(){
+    noteOn(0, 95, intensity);
+    MidiUSB.flush();
+    delay(1000);
+    noteOff(0, 95, 0);
+    MidiUSB.flush();
+    delay(1000);
+}
+
+void noteOn(byte channel, byte pitch, byte velocity) {
+
+  midiEventPacket_t noteOn = {0x09, 0x90 | channel, pitch, velocity};
+
+  MidiUSB.sendMIDI(noteOn);
+}
+
+void noteOff(byte channel, byte pitch, byte velocity) {
+
+  midiEventPacket_t noteOff = {0x08, 0x80 | channel, pitch, velocity};
+
+  MidiUSB.sendMIDI(noteOff);
+}