| ▲ | SoundOff: Low-Cost Passive Ultrasound Tags(yibo-fu.com) | |
| 14 points by jonbaer 5 hours ago | 1 comments | ||
| ▲ | HelloUsername 3 hours ago | parent [-] | |
Ongoing discussion: https://news.ycombinator.com/item?id=47998638 | ||
| ▲ | SoundOff: Low-Cost Passive Ultrasound Tags(yibo-fu.com) | |
| 14 points by jonbaer 5 hours ago | 1 comments | ||
| ▲ | HelloUsername 3 hours ago | parent [-] | |
Ongoing discussion: https://news.ycombinator.com/item?id=47998638 | ||