Ultra Wide Band (UWB)

I’ve seen the future of the UWB smart home and I want it now

https://www.youtube.com/watch?v=R8AFXMdouY8

ESP32 UWB

https://www.youtube.com/watch?v=DPH3v2a3Z4s

Proxemics

the branch of knowledge that deals with the amount of space that people feel it necessary to set between themselves and others.

Proxemics: How to Use the 4 Zones in ANY Social Situation

Body Language - Personal Space Ownership

Personal Space Distances

Personal space increases during the COVID-19 pandemic in response to real and virtual humans - PubMed