Skip to content
Better HN
Top
New
Best
Ask
Show
Jobs
Search
⌘K
undefined | Better HN
0 points
lz400
7y ago
0 comments
Share
Couldn't they be connected wirelessly and send the electric signal they receive digitized?
0 comments
default
newest
oldest
JshWright
7y ago
It works by comparing the voltage potential across two or more points (in the case of the watch it's comparing the right arm against the left)
1 more reply
j
/
k
navigate · click thread line to collapse