Didn't pebble release a smart ring? I don't know the price, but from what I understand their newer stuff (since the relaunch) is either fully or mostly open source.
I don't know if it includes the sensors you want though.
Didn't pebble release a smart ring? I don't know the price, but from what I understand their newer stuff (since the relaunch) is either fully or mostly open source.
I don't know if it includes the sensors you want though.