What Is a Connected Device?

A connected device is a physical device that can connect to a network and communicate with other devices or systems. It can send, receive, or exchange data through a connection such as Wi-Fi, Bluetooth, cellular networks, or other communication technologies.

In simple words, a connected device is a device that can communicate with other devices through a network.

For example, a smartwatch can connect to your smartphone and exchange information such as activity, notifications, and health-related data.

How Does a Connected Device Work?

A connected device usually works through three basic steps:

Collect → Connect → Communicate

First, the device may collect information using sensors or other components.

Next, it connects to a network using a suitable communication technology.

Finally, it sends or receives information from another device, application, or cloud system.

For example:

Smart Sensor → Wi-Fi → Cloud → Mobile App

The sensor collects information, sends it through a network, and the app can display the information to the user.

What Can Connected Devices Do?

Connected devices can perform different tasks depending on their design.

They can:

• Collect data
• Send information
• Receive commands
• Share data with other devices
• Monitor conditions
• Control other devices
• Support automatic actions

IoT systems use connected devices to collect and exchange information between physical objects and digital systems.

Examples of Connected Devices

Many everyday devices can be connected to a network.

Smartwatch

A smartwatch can connect to a smartphone and exchange notifications, activity information, and other data.

Smart TV

A smart TV connects to the internet to access online services and applications.

Smart Light

A smart light can connect to a phone or smart home system so you can control it remotely.

Smart Lock

A connected smart lock can communicate with a smartphone or home system and receive commands.

Smart Sensor

A smart sensor can collect information such as temperature, movement, or humidity and send that information to another system.

Connected Car

A connected vehicle can communicate with online services and other systems to exchange information.

Connected Device vs IoT Device

The terms connected device and IoT device are closely related, but they are not always exactly the same.

A connected device mainly describes a device that has network connectivity and can communicate with other systems.

An IoT device is generally a connected physical device that collects, exchanges, or acts on data as part of an IoT system. IBM describes IoT as a network of physical devices with sensors, software, and connectivity that allows them to collect and share data.

So:

Connected Device = Device that can communicate

IoT Device = Connected device used as part of an IoT system

Why Are Connected Devices Important?

Connected devices make it possible for physical objects to communicate with digital systems.

For example, a temperature sensor in a building can send temperature information to a monitoring system. The system can then use that information to help control heating or cooling.

Connected devices are also important in smart homes, healthcare, agriculture, transportation, and industrial systems.

Benefits of Connected Devices

Connected devices can provide several benefits:

• Remote access: You can access or control some devices from another location.
• Data sharing: Devices can exchange useful information.
• Automation: Connected systems can perform tasks automatically.
• Monitoring: Devices can provide real-time information.
• Better control: Users can manage connected equipment more easily.
• Improved efficiency: Data from connected devices can help systems use resources more effectively.

Where Are Connected Devices Used?

Smart Homes

Connected lights, locks, cameras, thermostats, and appliances can work together in a smart home.

Healthcare

Connected medical and wearable devices can collect and share information with authorized systems.

Agriculture

Connected sensors can monitor soil, temperature, humidity, and water conditions.

Factories

Connected machines and sensors can help monitor equipment and production processes.

Smart Cities

Connected devices can support traffic monitoring, smart lighting, parking systems, and environmental monitoring.

Connected Device in Simple Words

Think of a connected device as a device that can talk to other devices or systems.

For example:

Smart Sensor → Network → Cloud → Mobile App

The sensor collects information, the network carries it, and another system receives and uses the information.

A connected device does not have to be complicated. Even a simple smart light or smart plug can be a connected device when it communicates through a network.

In short, a connected device is a physical device that uses network connectivity to send, receive, or exchange information with other devices and systems.