Show HN: Building Grove, interactive biofeedback trees you breathe into

Hey HN - a couple years ago we built Pulse & Bloom and that got some good discussion going on HN: https://news.ycombinator.com/item?id=8285228

I wanted to share my experience building a large scale art installation, showing what went right and what went wrong. It's always helpful to have a nice bog document written by somebody who's done it before.