alt Hacker NewsThis is a feature in modern wifi routers and every single one is capable of detecting presence of multiple people within an apartment. With some training, movement can be distinguished from the data.
This is a feature in modern wifi routers and every single one is capable of detecting presence of multiple people within an apartment. With some training, movement can be distinguished from the data.
Philips Hue light bulbs can also do person detection if you have a few of them and the right kind of hub.