Figure 1.
Floor plan of an apartment showing the placement of sensor boxes (red circles). The figure is adapted from Urwyler et al. [30] (CC BY 4.0).
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.