Control Ember Mug² using the Bluetooth Web API
The phone app was always crashing, so I made my own Interface.
Based on info here: https://github.com/orlopau/ember-mug
Feel free to use here: https://foostuff.github.io/embermugcontrol/ or fork it or whatever.
It's not beautiful but since it works for me, I'll probably abondon this soon.