What is Zigbee? Why is it necessary for smart home?

Set up a smart home system, bringing a modern experience to users. Let’s explore with Tnhelearning.edu.vn what is Zigbee, and why is it so necessary for a smart home?

Referring to smart devices, it is impossible to ignore famous virtual assistant applications such as Amazon Alexa and Google Assistant. The system of connecting technology devices has made your home smarter when you can control the operation of many devices: TV, air conditioner, washing machine, light system, …. just in an instant.

So let’s try to find out what Zigbee is, why is it necessary for a smart home!

About smart home system (smarthome)

The name smart home system seems to have made you think about everything. You can turn on the lights behind the kitchen, adjust the light intensity in the bedroom on your phone, then voice interact via the security camera to control the coffee machine to work, then turn on the washing machine to start the program wash.

Everything, called the Internet of Things , helps you connect, share and control devices quickly without having to spend too much time.

In order for these devices to be interconnected, they need a network of automated systems. All collectively referred to as smart home systems.

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What is Zigbee?

Zigbee is the IEEE 802.15.4 personal network area standard, which has been around for more than a decade. It is seen as an alternative to Wi-Fi and Bluetooth for a number of applications including low-power devices that don’t require a lot of bandwidth – like smart home sensor systems.

• For example, you have Zigbee powered light bulbs and switches. If you want the switch to be able to control the light bulb, then use a Zigbee network connection even though both devices are from different manufacturers. Just make sure they can understand the same language so there are no communication barriers.

Zigbee doesn’t focus too much on connection points . For example, sending data over Bluetooth between a high power device to another high power device in a short range, the Zigbee network still works great.

In fact, when using multiple Zigbee-enabled devices in a smart home system, there is still a problem where the device cannot connect, because there are too many other devices that want to connect to the controller. center. That’s why you need to use devices with wireless connection protocols so as not to make the system messy and cumbersome.

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What is Mesh Network? Why are they useful?

Mesh Network is a network of connections between wireless connection points , which can transmit and share network connections with each other to form a large wifi network area. Think of it simply as a network of small hotspots that act like wireless routers.

Zigbee ‘s networking capabilities can increase data transmission range and provide greater stability , even when there is an inactive hotspot.

When using Zigbee, you will have a master node to control other connected nodes such as Amazon Echo Plus devices. If a node is inactive (for some reason) and cannot connect to the second node on the network, then the master coordinator will automatically connect to the second node as well as other nodes in the network. limit.

Each node acts as a repeater of the device , and all nodes work together to transmit data, so it is called a network.

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The importance of Zigbee

Zigbee supports mesh networking, so all your actions when interacting with devices will be more stable, even if one of the transmitters fails.

It is possible to evaluate Zigbee’s role in networking because:

Security

The Zigbee network is secured with 128-bit symmetric keys . This is the standard encryption commonly used in online banking activities. Not only that, this encryption is also popular in government agencies.

Therefore, Zigbee increases security when applied in your smart home system.

Network Configuration

Each Zigbee node allows unlimited hops between devices to communicate with each other. Each node acts as an independent signal transmission repeater to connect to each other without having to constantly connect to the central controller.

In addition, Zigbee owns 65,000 nodes , making it a large network to connect other smart devices, and operate throughout the operation.

Efficient use of energy

Using the connection of many devices in the house, makes you apprehensive about the problem of power consumption. Zigbee will help you use power efficiently when connecting between devices, which means it will help you control all the activities of your devices, reducing power consumption each month.

Signal range

Zigbee works effectively in a connected home network, it may not be as classy as other networks, but it is enough for you to experience in a smart home system.

You need to know, any obstacle in the house can interfere with the Zigbee signal!

High compatibility

Today, smart devices that support Zigbee are very diverse, so it is not difficult for you to connect devices in the Zigbee network.

Reliability

Zigbee will stabilize the transmission well between smart devices in the home. Thus, you can control the operation of the device effectively.

Which devices can use Zigbee?

Understanding the benefits of using Zigbee in a smart home, then how to ignore devices that support this network:

Devices that can use Zigbee

Many devices from major brands such as: Amazon, Comcast, Honeywell, Huawei, Philips, SmartThings, Texas Instruments, Amazon, Belkin, Ikea, Lutron, Nokia, Osram, Bosch, Indesit, Samsung, Velux, Humax, Panasonic, Miele ….

For example, Philips Hue uses Zigbee to connect its bulbs, but that doesn’t mean you can add bulbs from another manufacturer.

Or, with Amazon, you can let Alexa control all sorts of different devices without having to use apps from each manufacturer of the devices. The Echo Plus may be asked to search for devices, as it will find Philips Hue bulbs and be able to control it without any ports from Philips.

In addition, Echo Plus can control Zigbee devices directly, and will also allow you to enable functions to control devices running on other standards, like smart doorbell cameras.

Some outstanding Zigbee systems

• Zigbee system using Wink Hub 2

The Wink system fully supports Zigbee while you can take advantage of other major protocols from Z-Wave via Bluetooth.

In theory, the Wink system only allows 2.4GHz connection, but this model, if it is retrofitted with Zigbee, can be increased to 5GHz along with the ability to link by Ethernet port making its operating model flexible. more active than ever.

Measuring just 7 ¼ x 7 ¼ x 1 ¼ inches, this system model becomes smaller and thinner than ever. That means you will find them compact, not bulky on the device’s connection ports. You can pair 530 devices with Wink Hub 2, which is amazing.

• Zigbee system using Samsung Smart Things Hub

This eco-system is easy to set up, from the wireless connection to the installation and user experience.

You only need to update the SmartThings Classic application to be able to quickly control the devices. Old sensors and sockets can be used, without having to worry about replacing new products.

In addition, you can set up routines for using smart home devices on the controller. It will self-activate, and take good care of your home life.

With the above sharing, hopefully, it will help you have a more general view of what Zigbee is, and why it is so necessary for a smart home.