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"Gateway" is a big concept, not specifically referring to a class of products, as long as the devices connected to two different networks can be called gateways. In layman's terms: walking from room to another room must pass through a door. Similarly, when sending information from one network to another, it must pass through a "gate", which is the gateway. Therefore, a gateway is the "gate" where a network connects to another network.

Among them, the principle of heating non-burning smoke is a critical state in which tobacco is pretreated and placed in an atomizer and heated to a temperature below 350 ° C to generate smoke but no burn. Due to the use of tobacco, there is a real smoke feeling in terms of experience, which solves the long-term complaints of smokers about the closeness of electronic cigarette flavors and real smoke, and also relatively reduces the harmful components produced by high-temperature combustion of traditional cigarettes.

Nowadays, "Bluetooth" is no longer a strange word for us. For mobile phones, computers,various PC devices, we are looking forward to the fact that more and more products are now armed with "Bluetooth" , People have gradually realized the convenience brought by Bluetooth from all aspects of life. For example, smart wear with Bluetooth technology is popular all over the world, such as smart home devices using Bluetooth technology, etc., even in the traditional automotive field. The wind of "Bluetooth" was blowing.

For smart products to communicate or interact with each other, communication protocols are required. Currently, wireless communication protocols are used in smart home systems. This article will also compare to use Bluetooth, WiFi, and ZigBee three mainstream wireless communication protocols.

When communicating between Bluetooth devices, one must be the master and one is the slave to communicate. When communicating, for searching and initiating pairing by Master. After the connecting, both parties can send and receive data.

With the rapid development of the Internet of Things, the smart home industry is also in full swing, and the smart gateway is the most important link in the entire smart home architecture. The intelligent gateway connects the home intranet and home extranet to ensure communication between the intranet and extranet, thereby enabling remote control and viewing of home information.