internet of things
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What is IOT ( Internet Of Things)? History of IOT! How IOT works?

What is Internet Of Things (IOT) ?

The Internet of Things(IoT) can be defined as a network of physical objects or people called “things” that are embedded with software, electronics, network, and sensors which allows these objects to collect and exchange data.

The goal of IoT is to extend to internet connectivity from standard devices like computer, mobile, tablet to relatively dumb devices like a toaster. IoT makes virtually everything “smart,” by improving aspects of our life with the power of data collection, AI algorithm, and networks.

The thing in IoT can also be a person with a diabetes monitor implant, an animal with tracking devices, etc.

History of IOT:

  • 1970- The actual idea of connected devices was proposed
  • 1990- John Romkey created a toaster which could be turned on/off over the Internet
  • 1995- Siemens introduced the first cellular module built for M2M
  • 1999- The term “Internet of Things” was used by Kevin Ashton during his work at P&G which became widely accepted
  • 2004 – The term was mentioned in famous publications like the Guardian, Boston Globe, and Scientific American
  • 2005-UN’s International Telecommunications Union (ITU) published its first report on this topic.
  • 2008- The Internet of Things was born
  • 2011- Gartner, the market research company, include “The Internet of Things” technology in their research.

How IoT Works:

The entire IOT process starts with the devices themselves like smartphones, smartwatches, electronic appliances like TV, Washing Machine which helps you to communicate with the IOT platform.

Here, are four fundamental components of an IoT system:

1) Sensors/Devices:

Sensors or devices are a key component that helps you to collect live data from the surrounding environment. All this data may have various levels of complexities. It could be a simple temperature monitoring sensor, or it may be in the form of the video feed.

A device may have various types of sensors which performs multiple tasks apart from sensing. Example, A mobile phone is a device which has multiple sensors like GPS, camera but your smartphone is not able to sense these things.

2) Connectivity:

All the collected data is sent to a cloud infrastructure. The sensors should be connected to the cloud using various mediums of communications. These communication mediums include mobile or satellite networks, Bluetooth, WI-FI, WAN, etc.

3) Data Processing:

Once that data is collected, and it gets to the cloud, the software performs processing on the gathered data. This process can be just checking the temperature, reading on devices like AC or heaters. However, it can sometimes also be very complex like identifying objects, using computer vision on video.

4)User Interface:

The information needs to be available to the end-user in some way which can be achieved by triggering alarms on their phones or sending them notification through email or text message. The user sometimes might need an interface which actively checks their IOT system. For example, the user has a camera installed in his home. He wants to access video recording and all the feeds with the help of a web server.

However, it’s not always one-way communication. Depending on the IoT application and complexity of the system, the user may also be able to perform an action which may create cascading effects.

For example if a user detects any changes in the temperature of the refrigerator, with the help of IOT technology the user should able to adjust the temperature with the help of their mobile phone.

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