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smart home in iot(Internet of things)

Smart Home in Internet of Things (IoT)

Posted on 11 May 202226 April 2023 By YASH PAL No Comments on Smart Home in Internet of Things (IoT)

IoT involves the processing of the data collected to derive useful information and support better decision-making. For example, smart home involves the IoT to sense human activity, in some countries, rain gauges have been installed to measure the amount of rainfall throughout the year, and the data collected have been analyzed and used to better manage flash floods.

IoT is both data collection and data analysis - building blocks of internet of things(IoT)

Fig. IoT is both data collection and data analysis

Besides data collection and data analysis, the ability to act on the data collected instantly is also an important criterion in deciding if a system is an IoT system. The term Internet of Things or IoT usually refers to the scenarios where normal items of our day-to-day lives are extended with network connectivity and stronger computing capabilities to generate data that could further be exchanged, collected, and consumed with almost no human intervention (on the whole process).

Components of our day-to-day lives such as Durable goods, Vehicles, Consumer Products, Utilities, and Sensors when combined with internet connectivity and stronger data analytic capabilities – have promised to transform the way our lives significantly.

An IoT system consists of 4 different components which are Sensors, Connectivity, Data Processing, and a User Interface.

  • Sensors: A sensor is like a component in the IoT system could be just a single device or a combination of various sensors, and devices that collect data from the intended environment.
  • Connectivity: Connectivity is the important part, as the data collected in this part where can be processed. Devices may all be connected to the Cloud via various methods such as WiFi, Cellular Satellite, Bluetooth, LAN, WAN and etc. Every device has its own that needs to be thought over before setting up the IoT system altogether.
  • Data Processing: Once the data is collected through pre-set connectivity, then it is logical to process this data. Based on the data that collecting, the processing of this will be dependent. For example, if incoming data is temperature then data processing is to check whether it is within a permissible limit or not.
  • User Interface: Based on the processed data, what are the next set of actions that you want to perform could be checked on a User interface. This could probably be your Mobile application on a phone or a tablet etc.

Smart Home

Smart home solutions are becoming very popular day by day. Design engineers now have access to scalable technologies, while potential users are familiar with the capabilities of smart homes and are ready to buy electronics in the field. Based on the customer’s needs, a variety of smart home modifications can be developed:

Smart Home - building blocks of internet of things(iot)

Fig. Smart Home

The mobile application is synchronized with the control center which controls all smart systems and devices in your home. The smartphone turns into a remote control for managing a smart home and issues all kinds of commands to electronic appliances, both inside the house and remotely.

Software Components of a Smart Home

There are 4 main software components involved in making the entire solution work:

  1. IoT Device (Sensor or Actuator) Software
  2. Gateway Software
  3. Smartphone App
  4. Cloud Software
software component of a smart home

Fig. 2.4: Software Components of a Smart Home

  1. IoT Device Software: Most IoT devices, whether they are sensors, actuators, or both. consist of hardware and software. Examples of sensors include cameras, motion detectors, carbon monoxide sensors, light sensors, and other such devices that monitor their surrounding environments. Actuators can be switches, valves, locks, and other devices that perform a physical action. Because of Moore’s law and other advances in technology, even inexpensive IoT devices, today can be fairly sophisticated with powerful microprocessors/microcontrollers running complete software stacks. The primary function of these software stacks is to expose the sensor/actuator to the outside world over a wired or wireless connection.
  2. Gateway Software: The most popular IoT devices in smart homes or smart buildings today are based on the Zigbee or Z-Wave protocols. These devices consume very little power but have sufficient transmission range. The local networks in homes and buildings are usually based on Ethernet or WiFi. An IoT gateway is used to connect the devices to the home’s or building’s local network. A gateway can enable the basic functions of onboarding the devices, exposing them over the local network, and implementing simple time or trigger-based rules. Or as they get more powerful, they can provide more complex capabilities like artificial intelligence to understand sensor data, perform actions based on the understood data, and other higher-level functions.
  3. Smartphone App: The smartphone has become a very essential part of our personal as well as professional lives. In today’s smart home, the smartphone plays an important role. In smart home deployments, a smartphone app is used to perform several functions – onboarding devices, monitoring sensors, turning actuators on/off, and creating rules – both when within the local network and outside it.
  4. Cloud Software: The cloud software completes an end-to-end IoT solution. Cloud service providers like Amazon (AWS), Microsoft (Azure), Google (Google Cloud), and IBM (IBM Cloud) offer a huge choice of toT platform components that can be used to connect to smart home and smart building deployments to manage, monitor, and control IoT devices. Cloud software can be as simple as an application that creates/manages user accounts and enables outside-in access when users are not in the local network or a comprehensive IoT platform that implements multiple sub-components shown in the figure below.

Fig. IoT Cloud Software

Other IoT Tutorials

  • Types of sensors
  • Actuators and Types in IoT
Computer Science Tutorials, Internet of Things Tutorials Tags:computer science, IOT

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