====== Bluetooth LE on ESP 32 ======
[[https://randomnerdtutorials.com/esp32-bluetooth-low-energy-ble-arduino-ide/|Getting Started with ESP32 Bluetooth Low Energy (BLE) on Arduino IDE]]\\
[[http://www.electronics-lab.com/project/using-the-ble-functionality-of-the-esp32/|USING THE BLE FUNCTIONALITY OF THE ESP32]]\\
[[https://docs.espressif.com/projects/esp-idf/en/latest/api-reference/bluetooth/|Bluetooth API]]\\
[[https://circuitdigest.com/microcontroller-projects/esp32-based-bluetooth-ibeacon|ESP32 based Bluetooth iBeacon]]