Library to asynchronously access Bluetooth Smart devices.

Features

1. Devices and sensor readings

   - SensorTag (CC2541DK, CC2650STK)

     - temperature
     - pressure
     - humidity
     - light (CC2541DK only)
     - accelerometer (CC2541DK only)
     - buttons (CC2541DK only)

   - Mi Smart Scale
   - serial devices implementing Stollmann (Telit) protocol

2. Device access using `asyncio` coroutines.
3. Notifications interface is supported.

The scripts in `scripts` directory demonstrate reading data from various
Bluetooth Smart devices, i.e. Sensor Tag, Mi Smart Scale or OSTC dive
computer.

Requirements

- bluez 5.45
- Python 3.6
- `sd-bus` (part of `systemd`)

