https://operasoftware.github.io/bb8/
Thee code in main.js is based on https://github.com/WebBluetoothCG/demos/blob/gh-pages/bluetooth-toy-bb8/index.html (copyright Google Inc. All Rights Reserved, Apache 2-licensed). Thus, the source code of this repository is available under the Apache 2 license as well.