That’s a Soundbrenner Core Steel. It features smart vibrating metronome, contact tuner, db meter and it also works as a smartwatch getting notifications from the phone (if paired). I used it as a metronome, very helpful when live looping and in other contexts. You can get it (or any other soundbrenner model) with a 20% discount using the code BELIBAT20 at checkout: https://soundbrenner.com ;). Source: almost 3 years ago

The Soundbrenner Core gives you a smarter and more reliable set of fundamental music tools in a premium wearable. It serves as your everyday watch plus a 1) vibrating metronome 2) contact tuner 3) dB meter and 4) smartwatch. Learn more on soundbrenner.com. Source: about 3 years ago

I assume, you also haven’t seen my book, have you: https://p5v.gumroad.com/l/generative-art-in-golang. Source: about 1 year ago

To your remark about wikilinks - I wrote my first book entirely in Obsidian, but had to conform to Leanpub's limited Markdown standard, which does not support any form other than the standard way of linking. Source: over 1 year ago