esp32 Unit 3 – ESP32 BLE Server and Client

Hi
I think you remove -master part
or
Install it by this way
https://www.arduino.cc/en/guide/libraries
Enter esp32 BLE scroll for it
or
from this link

check

https://randomnerdtutorials.com/esp32-bluetooth-low-energy-ble-arduino-ide/

Regards

Thanks.  Actually, the answer is found at : https://github.com/nkolban/ESP32_BLE_Arduino
“ESP32 BLE for Arduino (This repository is kept for archive. BLE code is now included in Arduino directly.)”
But I am experiencing other issues, which I will post separately.