Raspberry Pi WiFi configuration app via BLE
wget http://www.kernel.org/pub/linux/bluetooth/bluez-5.49.tar.xz
tar xvf bluez-5.49.tar.xz
sudo apt-get update
sudo apt-get install -y libusb-dev libdbus-1-dev libglib2.0-dev libudev-dev libical-dev libreadline-dev
cd bluez-5.49
./configure
make
sudo make install
move airchip.service file to /etc/systemd/system
sudo chmod a+x airchip.service
sudo chmod a+x app.py
sudo systemctl enable airchip