The explosive growth of the IoT market cannot be achieved without the strong impetus of wireless communication module products. What is IoT wireless communication module?
Wireless communication module drives the market growth.
In recent years, the IoT market has shown explosive growth. According to relevant data, the number of IoT devices will reach 20 to 30 billion units in 2020, the scale of China's IoT industry will reach 2 trillion yuan, the global IoT market scale will reach 3 trillion dollars, and the potential market scale will exceed 7 trillion dollars.
During the IoT application, almost every IoT device needs to support at least one wireless communication protocol to interconnect with other devices, networks and clouds.
With such a huge market demand and growth potential, many people wonder what is a "communication module"? What is the key role of communication module in the IoT industry chain?
Wireless communication module is irreplaceable.
The principle of wireless communication module is to iot wifi module send or receive electromagnetic signals and convert them into understandable information. The function of wireless communication module is to connect things and things, so that various IoT terminal devices can realize information transmission capability and various smart devices can have IoT information interface.
Wireless communication module is the key link connecting IoT sensing layer and network layer, belongs to the bottom hardware chain, has irreplaceable function, and is the carrier of IoT intelligent terminal.
Classification of wireless communication module.
Wireless module is divided into communication module and positioning module according to network and positioning function. Positioning module is mainly based on satellite positioning module. According to the communication technology, communication module is divided into cellular and non-cellular. Further cellular communication module is divided into 2,3,4,5G and NB-OT,e-MTC, and non-cellular communication module is divided into Bluetooth,WiFi,Zigbee,LoRa,sigfox.
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I need to connect to a Wi-Fi module.
Take these actions. Connect the red wire from VIN(3.3V) to the microcontroller's +3.3V power. The black wire should be connected to the ground. Connect the green wire to the microcontroller's and WiFi module's TX.
attach the yellow wire to the wifi module's RX and the microcontroller's TX.
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A WiFi module has an IP address, right?
Your network has assigned an IP address to each device linked to it. This also applies to your wireless access point, which has been given a unique IP address.
Uses radio waves Wi-Fi?
Similar to other wireless technology, WiFi transmits signals between devices using radio waves. When compared to walkie-talkies, vehicle radios, cell phones, and weather radios, the radio frequencies are radically different.
How can I determine if my Wi-Fi module is operational?
Look for the name of your wireless device by selecting Network adapters from the Device Manager box. Right-click the network adapter on your computer and choose Properties to view its status. If the adapter is functioning successfully, a This device is working properly notification would appear after the adapter has been enabled.