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How To Use the Wireless Transceiver Module?

481 Published by xia, Crystal Mar 06,2020

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How to use the wireless transceiver module? Which frequency of the wireless transceiver module works better, is it 2.4G, or 315MHz or 433MHz? This is a problem often confused by many poor whites. Today we will talk about the use of wireless transceiver modules and hope to help you.

Radio transceiver module application.

You can choose to use the wireless transceiver module according to the following tips for using the wireless transceiver module.

1. A wireless communication network for building a star topology. And it must be a multi-point star topology, and some extraordinary places need wireless communication. On the one hand, such a transmitting and receiving module is low in cost, and the cost of forming a star topology is relatively low; on the other hand, this transmitting and receiving module can adopt a modular design, which is small in size, convenient to use, and easy to integrate. This kind of transmitting and receiving module is very practical for wireless networks with relatively low communication speed requirements and short distances.

2. For wireless multi-channel (parallel) control. Such as complex remote-controlled robots, etc., some places require multi-channel (parallel) control. One method is to connect the receiver module directly to the decoder, and then to the relay and other electronic components to drive subsequent controlled objects. Another method is to use the receiver module to connect to the single-chip computer. The single-chip microcomputer is connected with electronic components such as relays to drive subsequent controlled objects. Generally, a pair of transmitting and receiving modules can implement a maximum of six parallel wireless controls. If the required number of channels is greater than six, multiple pairs of transmitting and receiving modules can be used to work simultaneously to meet actual needs.

3. It is used for general-purpose serial port (C502B) wireless data transmission. There are usually many control instruments and equipment using serial ports, and communication with these devices must meet the requirements of serial ports. Some extraordinary places, industrial control sites. When wireless transmission is necessary, the transmitting and receiving modules mentioned in this article can be naturally selected. However, it must be explained here that to adopt this communication method, the corresponding software must be prepared on the transmitting end and the receiving end to convert the file format before the purpose of wireless communication can be achieved. If the communication system is full-duplex, you can It adopts two pairs of transmitting and receiving modules to work simultaneously.

Of course, there are some considerations when using wireless transceiver modules. The transmitting module should be installed vertically on the edge of the motherboard, and should be more than 5mm away from the surrounding devices to avoid the influence of distribution parameters. The transmission distance of the wireless transceiver module is related to the frequency and amplitude of the modulated signal, the transmission voltage and battery capacity, the sensitivity of the transmitting antenna, the receiver, and the receiving and transmitting environment. Generally, the maximum transmission distance in open areas is about 800 meters. In the case of obstacles, the distance will be shortened. Due to the refraction and reflection during the transmission of radio signals, some dead zones and unstable regions will be formed. There will be different sending and receiving distances.

The use of the wireless transceiver module is selected according to the effect of actual development. Of course, there is no good knowledge and how to use it. The skills of using the wireless transceiver module are obtained in years of practice.

The wireless receiving module is a low-voltage micropower ASK superheterodyne receiving module with independent intellectual property rights and patented technology. The module uses a high-performance RF integrated chip and high-Q dielectric resonance frequency stabilization technology. It has a built-in temperature compensator circuit and ripple suppression circuit. It has an ultra-small size (12 * 20 * 2mm), low power consumption (0.3mA), low voltage, Wide power supply voltage range, high sensitivity, high stability, high anti-interference, high cost performance, can pass lead-free certification, FCC, CE indicators certification, is an ideal choice for various remote control systems and wireless data transmission systems.

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