Code, for anyone who found it hard to locate: https://github.com/scottbez1/smartknob
Per the repo, project was inspired by this video w/virtual detents: https://www.youtube.com/watch?v=1gPQfDkX3BU
Submitted by the author a couple days ago: https://news.ycombinator.com/item?id=30646886
Not many comments, but it does have one by the creator with more information, which is why I post this.
Code, for anyone who found it hard to locate: https://github.com/scottbez1/smartknob
Per the repo, project was inspired by this video w/virtual detents: https://www.youtube.com/watch?v=1gPQfDkX3BU