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First, let's look at how these two products are applied to smart parking lots. 
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Application of Internet of Things technology in the field of smart parking and smart security
With the development of modern technology, especially the development of the communications industry, China's Internet of Things industry has obtained opportunities for development. At the same time, smart parking lots and smart security are also facing new challenges. With the rapid development of large and medium-sized cities now, smart parking management systems and smart security systems have become a trend, and switch technology has also been widely used in smart parking lots and smart security.
1. The application of Internet of Things technology in smart parking lots
Now that the number of cars has continued to increase, the existing parking resources in society are far from being able to meet the citizens' demand for parking spaces. Relevant data show that the average utilization rate of parking spaces in my country's parking lots is only 30%, and the larger the parking lot, the lower the utilization rate. Solving the difficulty of parking has become a problem that plagues all parties in the society, and it has also become the focus of attention from all walks of life. The application of the Internet of Things intelligent parking system can reduce manual participation, minimize personnel costs and reduce losses caused by human error, and greatly improve the safety and use efficiency of the entire parking lot. This makes intelligent parking systems a development trend.
The following is an introduction to the application of Ebyte's E830-DTU (2R2-433L) and E90-DTU (433L30) products in smart parking lots.
The following are the relevant parameters of these 2 products.
Install an E830-DTU (2R2-433L) in the barrier equipment at the entrance of the parking lot, and install an E90-DTU (433L30) in the control room. When the equipment receives the vehicle payment information or recognizes the license plate information, it controls the barrier The open command is transmitted through the RS485/RS232 interface to E90-DTU (433L30), E90-DTU (433L30) will wirelessly transmit the data to E830-DTU (2R2-433L), E830-DTU (2R2-433L) receives the command Then output the control signal to realize the opening of the barrier. After the opening action is completed, E830-DTU (2R2-433L) collects the barrier status signal and then transmits it through wireless transmission E90-DTU (433L30), E90-DTU (433L30) receives the data and outputs it through the RS485/RS232 interface, and the control room can Know the state of the barrier.
2. The application of Internet of Things technology in smart security
With the development of the economic level and the continuous advancement of science and technology, the awareness of security has gradually taken root in the hearts of the people, and people's needs for security have also been increasing. The intelligent security system can analyze the video content of the monitoring scene or recognize various abnormal situations and respond to the new generation of security technology through the use of computer vision technology or infrared induction technology. The emergence of intelligent security systems conforms to this The development of the trend.
We take E830-DTU (2R2-433L) and E90-DTU (433L30) as examples to introduce the application of IoT technology in smart security.
As shown in the figure above, the property has installed multiple infrared sensing devices in the community fence, and each device has an E830-DTU (2R2-433L) installed on the switch output. When the infrared sensor device of the fence is triggered, it wirelessly transmits information to the E90-DTU (433L30) in the control room through E830-DTU (2R2-433L), and E90-DTU (433L30) displays this signal in the security monitoring control room. The control room can know from which location the information is sent, and can quickly notify the patrolling colleagues to go to the location. At the same time, data is sent to E830-DTU (2R2-433L) through E90-DTU (433L30), and E830-DTU (2R2-433L) controls the siren to issue an alarm after receiving the information.
Smart parking systems and smart security systems are generally located in urban areas, but there are many high-rise buildings in the urban areas. This environment has a certain degree of interference to wireless data transmission, and requires high anti-interference capabilities of products.
The two DTU application cases we introduced to you are Ebyte's products using LoRa spread spectrum technology, which have strong anti-interference ability and a wireless transmission distance of up to 8000m, which can meet data transmission in a building or longer distances. Compared with wired transmission, wireless transmission has obvious advantages, which not only eliminates the trouble of wiring, but also greatly reduces the cost of wire materials, and it is also very convenient for later maintenance.
In the future, wireless transmission will be widely used in the future, creating more new ideas for various urban and industrial applications.
Application of E830-DTU and E90-DTU
Among them, E90-DTU has the "National Radio Transmission Equipment Type Approval Certificate", the approval ID: 2017FP5780, corporate customers can use it with confidence, and the nationally approved radio products are bound to stand out in government bidding and occupy an excellent advantage.
Conclusion:
The Internet of Things technology has profoundly affected the development of cities in the current development, making the formation of smart cities more scientific and authentic. The application of the Internet of Things smart parking lot is only a scenario application of Ebyte products, and Ebyte’s products are widely used in the Internet of Things. Ebyte has always been committed to the in-depth integration of wireless data transmission technology and industrial IoT, helping Chinese companies find their own path of IoT applications, allowing China's IoT technology to go to the world and lead the future.