In simple terms, the Internet of Things can be defined as a collection of interconnected objects, equipment, workplaces or business. We need to understand first, why we need IoT? It is because IoT can provide an advanced level of services, it can be made responsive and can be tailor-made for building smart cities, smart homes and smart agriculture.
Technically IoT are embedded systems with basic computing system (with embedded processors and systems).
The IoT operates with the unification of technologies like low power embedded systems, big data, machine learning, cloud computing and networking.
Two approaches are used, one is based on expanding the existing network and the other by building a new network from scratch.
Different types of technologies like RFID, Nano Technology, Sensor & Actuators and smart networks or communication paradigms are used for the functioning of IoT.
IoT devices for proper functioning should have the following characteristics
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- · An abundance
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In a nutshell IoT consist of Sensors along with smart systems having an application layer acting as a user interface.
The building block of IoT consist of Sensors ( senses signal from the environment), Network ( the sensed information is passed through the network ) and Actuators ( which perform an action based on the input received from the sensors).
