BLE-MIDI_test.ino

#include <BLEMIDI_Transport.h>
#include <hardware/BLEMIDI_ESP32.h>
BLEMIDI_CREATE_INSTANCE("E-Drum",MIDI);
  
int tempo = 280;
void setup()
{
  MIDI.begin(10);
}

void loop()
{
    MIDI.sendNoteOn(36, 100, 10);
    MIDI.sendNoteOff(36, 0, 10);
    MIDI.sendNoteOn(44, 100, 10);
    MIDI.sendNoteOff(44, 0, 10);
    delay(tempo);
    
    MIDI.sendNoteOn(44, 100, 10);
    MIDI.sendNoteOff(44, 0, 10);
    delay(tempo);
    
    MIDI.sendNoteOn(38, 100, 10);
    MIDI.sendNoteOff(38, 0, 10);
    MIDI.sendNoteOn(44, 100, 10);
    MIDI.sendNoteOff(44, 0, 10);
    delay(tempo);
    
    MIDI.sendNoteOn(44, 100, 10);
    MIDI.sendNoteOff(44, 0, 10);
    delay(tempo);
}

Ok, I will have a look at the windows doc, but I think my windows machine just features a 3.0 Bluetooth adapter. Maybe I am flashing the firmware with the wrong arduino settings, could you please tell me your flash settings? I have tried to connect from two Android devices, a Xiaomi Redmi and a Samsung Galaxy Tab, I don't think the issue would be caused by them, right? The BLE-MIDI device should appear in the bluetooth setting section of my devices? or just in the BLE MIDI Connect app?

The setting of the flash is that of this image?
https://lh3.googleusercontent.com/pw/ACtC-3eIFoOfJp1N2ENPHmU_a7fsm99vbQar0FEdNo-PbfPOlpWf_8FUn7qvdbvVc5cAum-lXZm2P9z4Sdw1SC6jr1gxRf-fPi-Ikl_GeriGgHf9krjvk_KF8UZpYz0eGBFw9ZEIF-gpNm9oNVpu0Q7hbiApfQ=w1120-h890-no?authuser=0

I could only recognize the ESP32 with BLE MIDI Connect.
Maybe it's OK not to see it in Android's Bluetooth settings.

How did you setup "Logic Pro X" to read the MIDI signal from ESP32 and make the instrument play? Other than the Korg bluetooth part?