Published my Web Bluetooth demo that uses a reverse-engineered protocol of Canon camera remote (BR-E1) to provide a remote intervalometer that works directly from a Web page.
P.S. Yes, as most other Fugu APIs, it works only in desktop and Android Chromium-based browsers.
Getting the web to interface with & control the world about us, & these amazing but often so proprietary devices- opening things up for exploration- is a critical task for humanity. You'he been doing cutting edge work pioneering the possible. Hats off to you!
[1] https://web.dev/porting-gphoto2-to-the-web/ https://news.ycombinator.com/item?id=30165184