# Direct MIDI Output

Send MIDI messages directly through the interface without using the element system.

> Original: `MIDI-Output.ino`

```cpp pico
#include "pico/stdlib.h"
#include "pico/cyw43_arch.h"
#include <cs_midi.h>

using namespace cs;

BluetoothMIDI_Interface midi;

const MIDIAddress address {MIDI_Notes::C[4], Channel_1};
const uint8_t velocity = 0x7F;

int main() {
    stdio_init_all();
    if (cyw43_arch_init()) return 1;
    midi.begin();
    while (true) {
        midi.sendNoteOn(address, velocity);
        sleep_ms(500);
        midi.sendNoteOff(address, velocity);
        sleep_ms(500);
        midi.update();
    }
}
```