3 ms·
The iRing
- jlangenauer 17y agoLeaving aside how technically feasible this is (and I suspect you'll have a hard time miniturising the electronics enough to fit the form factor of the ring), it's not a bad idea. The only issue I'd have with it would be that it's not quite natural to touch the back of your knuckle - to me, anyway, it's a slightly awkward movement.