A SmartHome system allows you to control the lights, thermostats, alarms, as well as wiring and other devices remotely using a smartphone, tablet, PC, or TV. Want to create a comprehensive SmartHome controlled by a single app and with no extra hassle? Read on to find out more.
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What is the central unit, how does it work, and why do you need it?
The central unit is the heart of the SmartHome system and serves as an intermediary between the user and the individual elements of the SmartHome. While the user usually communicates with the central unit via WiFi or network cable, the central unit is connected to the rest of the household via specific communication protocols - for example via ZigBee or Z-Wave. The main goal of these protocols is to unify communication between hundreds of SmartHome devices from different manufacturers.
Why can't everything communicate via WiFi?
ZigBee and Z-Wave protocols are based on a Mesh network topology. The signal thus "hops" from one device to another until it reaches the central unit - this allows for significantly longer distances than WiFi, although the device consumes very little energy. This means you can build a really complex home system with up to several dozen smart devices.
ZigBee uses 2.4 GHz and 128-bit encryption.
Z-Wave uses 868 MHz in Europe, 908 MHz in the US and Canada, and 128-bit encryption.
When deciding between ZigBee and Z-Wave, consider whether all the devices you want to purchase use the same communication protocol (it's important because a ZigBee-compatible thermostat, for instance, may not communicate with Z-Wave devices and vice versa).
Controlling your SmartHome
You can control your SmartHome via:
WiFi is the best control option when you are at home.
You can also connect to the Internet and control your home remotely. This is useful if you want to remotely turn off an appliance that you forgot when leaving, switch off the thermostat, or simply want to pretend the house is still occupied by turning on the lights while you are away on vacation. You can also watch the security cam footage, monitor power consumption etc.
You can use:
Mobile devices - smartphones or tablets with Android or iOS OS.
Web browser - a computer or laptop with any operating system will do.
SmartTV - for some units, your SmartTV acts as the central controller.
How the central units differ
There are several types of central units on the market, ranging from budget to notably high-end and expensive. They differ mainly in the following areas:
Hardware equipment - processor performance, RAM capacity, USB ports and the like.
Communication protocol - you will usually encounter Zigbee or Z-Wave.
part of the Starter Kit - it also contains the basic SmartHome devices.
Central unit installation
SmartHome is designed to be as user-friendly as possible, so even technically less proficient users should be able to handle the installation after studying the manual. All you need to do is plug the central unit into an electrical outlet and connect it to your router with a network cable. Then just confirm the basic settings through your web browser or download the right app for your smartphone or tablet.
Installation of individual SmartHome devices
Installing additional SmartHome devices, such as smart light bulbs, alarm motion sensors, or thermostatic radiator heads is usually intuitive and requires minimal effort. You don't have to drill and break down the walls - all the accessories can be easily attached, for example, with a double-sided adhesive tape or a few screws.
After installing the device and putting the smart unit into operation, each system allows you to search the surroundings and pair new additions. Then all you have to do is name them in the app, assign them to individual rooms, or incorporate them into automated scenes or profiles.
SmartHome scenes and profiles
Perhaps the biggest advantage of SmartHome systems are scenes and profiles. As soon as you activate the profile you have selected, the central unit starts a sequence of commands that control several devices at once. Let's take a look what these profiles can look like:
The "Morning" profile switches on the kettle, opens the blinds, raises the thermostat temperature and switches on the lights.
The "Homecoming" profile unlocks the front door, turns on the lights, and turns on the thermostat.
The "Go to sleep" profile turns off the lights in the home, except for the bedside lamps, closes the blinds, locks the door and lowers the thermostat temperature.
In addition, profiles can be started automatically based on your time or location settings. You can easily set the time when the thermostat is supposed to lower the temperature or what should happen in the house when you leave.
Most common SmartHome products
lighting
wiring
thermostats
security
cameras
weather stations
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Central Unit - used as lighting, security and home control, connect using WiFi 2,4 GHz, WiFi 5 GHz, Bluetooth and Ethernet, communication via Aqara Home, compatible with Android and iOS, power plug, USB and PoE power supply
Central Unit - for home control, communication via Apple HomeKit, Amazon Alexa, Google Home and the manufacturer's App, compatible with Android and iOS, control in Czech and English, mains power
Central Unit - used as lighting, heating and cooling, security and home control, connect using WiFi 2,4 GHz, Bluetooth and Ethernet, power plug power supply
Central Unit - used as lighting, security and home control, connect using WiFi 2,4 GHz, WiFi 5 GHz, Bluetooth and Ethernet, communication via Aqara Home, compatible with Android and iOS, power plug, USB and PoE power supply
Central Unit - for home control, communication via Apple HomeKit, Amazon Alexa, Google Home and the manufacturer's App, compatible with Android and iOS, control in Czech and English, mains power
Central Unit - used as security, connect using WiFi 2,4 GHz, GSM and Radio Frequency, compatible with Android and iOS, power plug and Battery-Powered power supply
Central Unit - used as lighting and home control, connect using WiFi 2,4 GHz and Bluetooth, communication via Tuya and Smartlife, compatible with Android and iOS, control in in English, USB power supply
Central Unit - used as lighting, heating and cooling and electrical installation, connect using WiFi 2,4 GHz, communication via Tuya and Smartlife, compatible with Android and iOS, control in in English, power plug power supply
Central Unit - used as home control, connect using WiFi 2,4 GHz, WiFi 5 GHz, Bluetooth and Radio Frequency, communication via Apple Siri shortcuts, compatible with Android and iOS
Central Unit - used as lighting, heating and cooling, electrical installation, security and home control, connect using WiFi 2,4 GHz, communication via Tuya and Apple Siri shortcuts, compatible with Android and iOS, power plug power supply
Central Unit - used as home control, connect using WiFi 2,4 GHz and Radio Frequency, communication via Samsung SmartThings, compatible with Android and iOS, power plug power supply
IP Camera - Internal, activity zones and safety, use with display resolution of 1920 × 1080 px, 146 ° viewing angle,, MicroSD memory card slot max. 512000MB, connection via WiFi 2,4 GHz, app for Android and iOS, USB and Jack power supply
Central Unit - used as lighting, heating and cooling, electrical installation, security, windows, doors, gates and home control, connect using WiFi 2,4 GHz, communication via Tuya, compatible with Android and iOS, power plug power supply
Central Unit - used as lighting, heating and cooling, electrical installation, security, windows, doors, gates and home control, connect using WiFi 2,4 GHz, Bluetooth and Radio Frequency, compatible with Android and iOS, power plug power supply
Central Unit - used as security and home control, connect using WiFi 2,4 GHz, communication via IFTTT and Manufacturer app, compatible with Android and iOS, power plug power supply
Central Unit - used as home control, connect using WiFi 2,4 GHz, communication via IFTTT and Manufacturer app, compatible with Android and iOS, power plug power supply
Central Unit - used as lighting, heating and cooling, electrical installation, security and home control, connect using WiFi 2,4 GHz, compatible with Android and iOS
Central Unit - used as heating and cooling and home control, connect using WiFi 2,4 GHz and Bluetooth, communication via Manufacturer app, compatible with Android and iOS, power plug power supply
Central Unit - used as lighting, heating and cooling, electrical installation, security, windows, doors, gates and home control, connect using WiFi 2,4 GHz, communication via Tuya, compatible with Android and iOS, power plug power supply
Central Unit - used as heating and cooling and home control, connect using WiFi 2,4 GHz and Bluetooth, compatible with Android and iOS, power plug power supply
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