cordova-plugin-ble-central issue 196 don/cordova-plugin-ble-central#196
uses https://github.com/sandeepmistry/bleno/tree/master/examples/echo
cordova-plugin-ble-central issue 196 don/cordova-plugin-ble-central#196
uses https://github.com/sandeepmistry/bleno/tree/master/examples/echo