The rapid development of wireless communication technology in the Internet of Things era has truly realized the information exchange and communication between people and things, and things and things. We only need to install a variety of smart terminal products (smart sockets, smart light controls) on the smart phone. App, you can control the functions of various smart home products with built-in wireless modules through the touch screen. Today, I will give you a brief introduction to the selection and application of the wireless module WiFi module and WiFi+Bluetooth combo module behind the intelligent control.
The WiFi module works in STA mode, and the smart terminal (mobile phone, tablet) and WiFi module work in the wireless network environment provided by the wireless router, and the data signal is forwarded by the wireless router to realize wireless control.
The WiFi module works in AP mode, and the smart terminal (mobile phone, tablet) directly connects to the network provided by the WiFi module to realize wireless control in the same hotspot network.
For remote control, the smart terminal (mobile phone, tablet) and wireless router are in different networks, and the WiFi module is responsible for uploading relevant data to the server. At this time, the communication between the smart terminal and the serial WiFi module electronic device is forwarded by the server to realize remote control.
The intelligent control method of the combination module of WiFi+Bluetooth is as follows:The WiFi part of the WiFi+Bluetooth combo module plays the same role as the WiFi module in the smart home. It is responsible for uploading relevant data to the cloud to realize remote control or connect to the home router for home control. The Bluetooth part is responsible for collecting data and transmitting relevant information to WiFi, so that users can realize intelligent control through their mobile phones whether they are at home or on the way home.
Internet of Things WiFi Module + Combination Module
Internet of Things WiFi Module (WU106/WG219)
WU106 is a WiFi module that complies with 802.11 b/g/n standards. The module integrates RF transceiver, MAC, baseband processing, WiFi protocol and configuration information and network protocol stack. Users can use it to easily realize the wireless network function of serial devices. , Save development time, make products put into the market faster, and enhance competitiveness.
WG219 is a UART-WiFi transparent transmission module with low power consumption and small size (18uA in deep sleep mode) based on ESP8266 chip. It complies with 802.11b/g/n wireless module standard. It is specially designed for mobile devices and IoT applications. The user's physical device is connected to the WiFi wireless network for Internet or local area network communication to achieve networking functions. In addition, WG219 only needs to use AT commands to control through the serial port, which can meet most of the network function requirements.
WiFi+Bluetooth combo moduleWG215 is a WiFi Bluetooth integrated module based on ESP32, the WiFi part complies with the protocol IEEE802.11b/g/n/e/i! Built-in a 802.11b/g/n standard WLAN, the highest communication rate at 2.4G 802.11 n is 150Mbps, the Bluetooth part supports 4.2 traditional and low power consumption, and the module only needs 3.3V power supply!
WG222 is developed based on MTK chip MT7697. It is a WiFi+Bluetooth combo module. WiFi complies with 802.11 a/b/g/n wireless standards, and Bluetooth supports low energy Bluetooth v4.2. The interface of WG222WiFi part is uart, and the Bluetooth part is UART/PCM interface. There are two ways of antenna, one is IPEX external antenna, the other is PCB board antenna.
With many characteristics of smart home including safety, energy saving, comfort, convenience, and high efficiency, more and more customers begin to accept and develop smart home items and systems. Regarding whether to choose a WiFi module or a combination module for intelligent control, SKYLAB’s suggestion is to analyze the specific situation: When WiFi technology can meet the communication needs in actual applications, the Internet of Things WiFi module can be used directly; when the single WiFi technology is wireless When the module can no longer meet the communication requirements in actual applications, engineers can consider giving priority to the WiFi+Bluetooth combo module developed by SKYLAB for IoT applications.
Selection and application of WiFi module and WiFi+Bluetooth combo module:First, determine whether the product is suitable for WiFi module and WiFi+Bluetooth combo module;
The choice of interface, it is recommended that customers choose different interface types according to different needs;
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