Author: sfyh

How to choose the access power supply for access control?

Access Control Systemsfyh
1. Wide temperature adaptation range Due to the relatively large temperature difference across the world. If the product does not have a wide range of adaptation to high and low temperatures, there is no way to guarantee the reliability of the system, especially the power supply, so when choosing a product, you should choose according to your own installation environment. Generally speaking, the temperature adaptation range is within -40 degrees to 85 degrees, which can meet the requirements. 　　　 2. Wide voltage adaptation range, stable power output The input voltage fluctuates frequently, either high or low. Therefore, the power supply controller must…

The application of QR code recognition in access control systems

Access Control Systemsfyh
With the rapid development of smartphones, applications such as scanning QR codes to add friends and scanning QR codes to pay have been widely used. The convenience of QR codes has been quickly accepted by people. QR codes can be seen everywhere in shopping malls and supermarkets in China. Even the vegetable market has basically achieved full coverage. In the era when QR codes can be seen everywhere, where did the QR codes come from, and what are the rules? Let us explore it together. First, let’s first understand the definition of QR code: （quoted from Wikipedia） A QR code (abbreviated from Quick Response…

Does the LED dimming power supply have room for future development?

LED Power Supplysfyh
Speaking of LED dimming power supplies, many people will not find it unfamiliar. This is a kind of equipment that needs to be used in many places. With the continuous development of high technology, the scope of application of dimming power supplies is now becoming more and more extensive. So is the future development space of LED dimming power supplies broad? Which areas are to be developed? The stability of the LED dimming driver is very reliable, and it is also very recognized by many users now. Compared with the traditional dimming power supply, there will be no unstable effects such as…

Why Does the Small Pixel Pitch LED Display More Suitable for The Command Center Visualization Needs?

led screensfyh
Esdlumen: to Lead the New Trend in Design of The Anti-Collision Corner Protectors for Rental Products As we all know, innovation is the core of the development of enterprises, Research and Design is the most important part of innovation. Over the past 12 years, Esdlumen infuses vitality to the development of company by the breakthrough in Research and Design again and again, so that Esdlumen becomes Top 10 export enterprise in LED Display Industry, and Esdlumen(the brand) is well known all over the world. So far, Esdlumen has owned more than 100 patents. In particular, Esdlumen’s design of anti-collision corner…

The advantages of LED wall washer light

LED Lightssfyh
LED wall washer is mainly used to lighting and beautifying environment of commercial projects, hotel clubs, bridges and docks and other architectural projects.Through the ingenious combination of colorful lights and projection angles, it brings a new visual experience; it can achieve dynamic effects, such as gradual change, jumping change, color flashing, random flashing, alternating gradient. DMX512 control system can also be used to achieve catch-up and scan effects. 1. Our lamp body is made of thick aluminum with good heat dissipation. The length can be customized, such as 600mm, 1200mm, etc., the width and height are fixed (1000mm is a…
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