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Iot is a solution for many automation problems that are present in the world.

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Based on the field of study, IoT is categorized into several domains. Slide4

Out of all domains, Home automation grabbed my attention.

Home Automation:

It refers to control and automating air conditioning, Lighting, heating, ventilation, and security. As well as all the home appliances including dryers, ovens or refrigerators that use WiFi for remote monitoring.

The components of a well-designed home automation system include a computer with the appropriate programming, the various devices and systems to be controlled, interconnecting cables or wireless links, a high-speed Internet connection, and an emergency backup power source for the computer and the essential home systems.

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Sensors are used to collect the data by observing the changes

Controllers are devices that are used for transmitting and receiving messages like phones and laptops etc.

Actuators are those which control the mechanism of the system like motors etc.

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The oldest protocol on the market X10 has built up quite some reputation over the years.

X10 is used either by power line or wireless

X10 was originally designed for power line communication only. But through time the need for wireless communication emerged.

Benefits:

  • Cheap
  • Available almost everywhere
  • Big community

Disadvantages:

  • Slow
  • Unreliable
  • No Encryption

Z-Wave is a wireless communications protocol used primarily for home automation. It is oriented to the residential control and automation market and is intended to provide a simple and reliable method to wirelessly control lighting, HVAC, security systems, home cinema, automated window treatments, swimming pool and spa controls, and garage and home access controls.

references: X10,ZWave

 

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The Importance of security in home automation:

When people normally think of burglaries and home security systems, houses are the first buildings to come to mind. But did you know that, according to the National Crime Prevention Council, apartments are actually 85 percent more likely to be burgled than single-family homes? This disheartening statistic should be a warning to all apartment renters; just because you live in an apartment doesn’t mean you don’t need to consider home security.

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Homemade Security systems:

Home security can be produced in the home itself. But, in order to do so, we need some sensors that are essential for us to read the data. We are fortunate to live in a world where many sensors are available for the common man. One can collect and process the data transmitted by the sensors through the Pi. In order to build a Home Automation system, one should have a basic knowledge in electrical circuits and computer programming.

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Amazon Alexa

Learning Thermostat

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In most of the home automation systems, the workflow will be like user requesting for the service. The message is traveled to home through the internet. In the home, a hub will be operating all the IoT devices. By performing as per requested by the user hub acts as a mediator for user and actual IoT devices.Slide15Slide16Slide17Slide18

How is all this possible? The security loopholes the researchers uncovered fall into a few categories. One common problem is that the platform grants its SmartApps too much access to devices and to the messages those devices generate. The researchers call this “over-privilege.”Slide19Slide20Slide21Slide22

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