For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...

Abstract: Wireless sensor networks are able to monitor environmental parameters in agricultural greenhouses in real time, thus realizing precise control of the growing environment of crops. However, ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

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