I was updating the BLE Android example, to have a possibility to get BLE sensor info dynamically.
I have my own BLE-sensor with B4R sketch based on ESP32.
So, the updated project is attached: BLE devices can be
scanned, chosen, connected
read all classes manually,
I have a motion sensor connected to an Arduino Nano IOT. When the motion sensor is set off I would like the Nano to send a notification to a phone that is connected by bluetooth but the main app isn't open. The phone hopefully can receive a notification from the bluetooth that motion was...