We propose to create a smart sensor hub for controlling a living room, equipped with a set of various sensors: lighting (all wavelengths in the form of a mini spectrometer), temperature, humidity, atmospheric pressure, dust microparticles level, carbon dioxide level, radiation level, infrared receiver and transmitter, digital microphone, motion sensor and lidar, infrared low-resolution camera, GPS, IMU, etc. as well as a set of wireless adapters (Wi-fi, Zigbee, Bluetooth). Such a system installed in each room of a house or apartment can serve as a room control center, an integral part of the security system and, being connected to a smart city control center, serve as a distributed sensor system.

The smart city system will receive information from a network of sensors throughout the city, drawing conclusions about the level of pollution, radiation, earthquakes, natural disasters, etc. Combining data from all over the city, we can build a map of the distribution of dust, radiation, vibrations, etc., which allows us to track the effects of terrorist attacks, earthquakes, natural or man-made disasters. And on the basis of the constructed 3D maps (since the sensors are also located in multi-storey buildings), either the operator or the artificial intelligence system can quickly draw conclusions and take the necessary actions to manage the rescue services, fire services, anti-terrorist units, etc.

At first glance, the redundancy of the sensors used can lead to an increase in the cost of the system, but with mass production and the use of sensors with a long service life, the final cost should fall. In addition, by changing the way a big data set is processed, in the future it will be possible to use the received data in a non-standard way.