What is IoT? How it works? with 2 applications

IoT: It’s all about data

Internet of things(IoT) is expressed as the interrelated internet-connected things that are able to collect and transfer data over a wireless network without human intervention.


Internet of things is the technology that influences our lifestyle from the way we react to the way we behave. From air conditioners that you can control with your smartphone to smart cars providing the shortest routes or your smartwatch that is tracking your day to day activities.

IoT is a giant network with connected devices. These devices gather and share data on how they have used and the environment in which they are operated. It’s all done using sensors and sensors are embedded in every physical device. It can be your mobile phone, electrical appliances, barcode sensors, traffic light, or anything you came across. These sensors continuously emit data about the working state of the devices.

So, now the question is how do they share the huge amount of data and how do we put this data to our benefit? Let’s see-

How IoT works?

IoT provides a common platform for all these devices to dump their data and the common language for all the devices to communicate with each other. Data is emitted from various sensors and sent to the IoT platform security. IoT integrates the collected data from various sources then analytics is performed on the data and valuable information is extracted as per the requirement.

Finally, the result is shared with other devices for better user experience, automation, and improving efficiencies.

Watch Quick Video on how IoT works:

 Application of IoT:

Smart homes:

Home automation uses your home network to communicate with the cloud. Smart devices work by connecting home- automation devices to your home network via wi-fi and these devices are connected to a server somewhere, from where you can access via apps on your smart devices.

Smart Security: 

Whether it is your home, your office, or schools smart security is a great idea. From door sensors to remote CCTV footages, a brilliant security framework implies you can tweak, screen, and deal with your security frameworks anyplace, whenever, from your cell phone. Basically, it gives control of your security back to you and makes it helpful and available to you, at whatever point you need to check-in.

Also read: What If All Humans Suddenly Disappeared From The Earth?


Smart-watches and other wearable devices act as an extension of your smartphone. They give you instant access to apps, email, text messages, and the web. They track other activities like your steps, heart-beat, etc.


When comes to security you can’t rely on it. As if your device is connected and you may have financial information on it, so it is also stored on the connected device, so smart-watches collect a lot of personal data about you.

Now, the question raises who can see that data? How securely it stored? You can find some of the answers by reading the privacy policies for your smart-watches and the apps you download. But keep in mind that your information is stored in the cloud — on a remote server — and there’s not much you can do to prevent a potential data breach.

There are many people who can use your data for their use. You can protect your information- like when you use some app it asks for permission and we generally not read any privacy policy and just accept it, that’s a vulnerability that can benefit the third party. Don’t accept every term and condition without reading it. So it is your responsibility to use devices wisely.

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