Full tutorial video link above the title materials I used : Soft copper wire : 20 gauge ( wire diameter 0.8mm ) : 17cm ( ...
In the video I use for the ring 1.5cm in diameter : 20 gauge ( wire diameter 0,8mm ) : 25cm (10 inch) Wire length = number of circle rings x ring circumference + 10cm ...
A patent dispute resulted in a ban on Ultrahuman selling its smart rings in the US. Now the company is back, with a new ring ...