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  • Smart homes will be able to detect the presence of a person by breathing


    Today, many household appliances support the functions of a smart home. Often, the system detects the presence of a person using cameras, motion sensors, or geolocation, but these methods are quite energy-consuming and cause concerns about the security of personal data. As an alternative, French researchers have developed an inexpensive sensor that detects a person by his breath.

    According to employees of Purdue University, the sensor they created will not only solve the problem with privacy but will also be a great alternative to existing devices. The sensor works by tracking the level of carbon dioxide in the air. So, every time a person enters a room, there is a surge that signals different devices to turn on. These can be heating or air conditioning systems.

    Smart homes will be able to detect the presence of a person by breathing

    Quote

    "Climate control and proper ventilation are particularly important because most people spend significantly more time indoors than outdoors. In addition, climate control systems and ventilation are also huge sources of energy consumption," the researchers say.

    Scientists use two technologies in their device: resonant and resistive sensing. They work in combination to detect carbon dioxide. In their opinion, this is an excellent alternative that will allow their development to become competitive in terms of cost and energy consumption.

    A special feature of using such a sensor will be the automatic regulation of expensive air conditioning systems. This will help reduce energy costs in homes, medium-sized and large offices. The patent for the invention has already been obtained. The next step is to integrate the sensor into existing smart home systems.


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