Collecting a few threads, there’s a post by Dan here.
And a set of sketches over here.
In 2023 there’s an updated set of sketches here. They all point to a repo here.
I did a backtrack on a post from Golan on Twitter over here.
Handpose-centric gesture recognition by Yining is here:
// 1: Data Collection: https://editor.p5js.org/yining/sketches/dCoPm-Opb
// 2: Model Training: https://editor.p5js.org/yining/sketches/IrBFfXbSF
// 3: Model Deployment: https://editor.p5js.org/yining/sketches/6cFF9-L-Z