Make use of new Bluetooth GATT API to interact with Arduino+BleShield, control LED/servo and read sensor data.
UI refined and wrap it with a cardboard case.
WebBluetooth V2 API:
https://wiki.mozilla.org/B2G/Bluetoot...
CatFeeder App:
https://github.com/elin-moco/ble-expl...
CatFeeder server
http://github.com/elin-moco/catfeeder...
CatFeeder codebender sketch:
https://codebender.cc/sketch:85062