[p1nkpineapple]

can you give some more detail about the airtag-sized device you made? This is exactly what I've been thinking about doing to test the "idea" of the Index, but haven't figured out how to go about doing it.

(Tried looking on your blog, but ended up instead reading your article about the little ESP8266 clock which convinced me to buy one to play with myself, thanks!)

[stavros]

Sure, I haven't written it up, but the code is here:

https://github.com/skorokithakis/middle

I'll take some photos, it's larger now than it will be, because I don't have a MEMS mic (and a small battery). It looks like this now:

https://imgz.org/iACAKWj2/