Let us try to understand what are the essential building blocks of the internet of things. One of the very essential components of the internet of things is sensors and the other one is actuators. The sensors basically sense the physical phenomena that are occurring around them.
Actuators actuate (take some actions) that means they perform some actions on the physical environment based on the sensed information by the sensors.
Sensors are of different types depending on the parameters they are going to sense. The sensor performs based on the temperature, pressure, humidity conditions and lighting conditions.
The sensed information is sent over a connected system network. The sensed information is transmitted based on what has been sensed and some physical activity is performed by an actuator based on the information sent by the sensors.
When we talk about sensing, we need to understand what is sensing. A sensor detects or senses the changes in the ambient conditions or it can also sense the state of another device, so maybe one sensor can sense the state of change in another device.
Sensing is done with the help of identifying some physical
property of the ambient conditions of the environment in which the sensor is in
or of another machine or a system that can be sensed with the help of sensors.
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