SoundOff: Low-Cost Passive Ultrasound Tags
(yibo-fu.com)
77 points
by
jonbaer
18 hours ago
1 comment:
by
HelloUsername
16 hours ago
Ongoing discussion:
https://news.ycombinator.com/item?id=47998638
Data from:
Hacker News
, provided by
Hacker News (unofficial) API
1 comment:
Ongoing discussion: https://news.ycombinator.com/item?id=47998638