In recent years, with the continuous development of information technology and the popularization and application of security products and systems, data security issues in the security industry have been receiving increasing attention. With the rapid development of high-definition surveillance, a

Recently, Xiao Bian interviewed Doug Bailey, a senior expert in LED driver circuit design. He summed up the issues that need attention and design experience in the design work. First, do not use bipolar power devices Doug Bailey pointed out that because bipolar power devices

Since Nest was acquired by Google, people began to pay attention to two issues. One is whether Google will change the business model of Nest, such as adding advertisements, and the second is whether Nest CEO Tony Fadell will undertake more important work. In this regard, Tony

According to foreign media reports, London will launch a new type of LED-illuminated unmanned subway in 10 years. At present, the design of the new subway has unveiled the mystery, facing the public for the first time. LED headlights A propaganda video shows that in the dark night, there is a cir

China Home Theater Network (): Many people dream of owning a private cinema, but most of the private home theaters I have seen are basically the same design, and of course some special cases - - Theme theater. In particular, we have selected nine very unique themed theaters arou

A time relay is an electrical component used on a circuit with a lower voltage or a lower current to turn on or off a circuit with a higher voltage and a higher current. At the same time, the time relay is also a control appliance that uses electromagnetic or mechanical principles to implement tim

Wu Zhixin, chairman of the National Electric Automobile Standardization Technical Committee's Electric Vehicle Sub-Technical Committee, disclosed that 75 standards for electric vehicles that were led by the Ministry of Industry and Information Technology and conducted by the Electric V

[High- tech LED reporter Ding Hui] Recently, some people in the industry broke the news to Gaogong LED. Dongguan Yongxing Electronic Technology Co., Ltd. (hereinafter referred to as “Yongxing Electronics”), which is still working before the Mid-Autumn Festival, has now been controlled b

The selection of high-power LED lamp beads should be analyzed from the following nine aspects: 1, LED brightness The brightness of the LEDs varies and the price will vary. Lamp cup: the general brightness is 60-70lm; Bulb: The general brightness is 80-90lm. Note: 1W brightness is 60-110lm3W bri

Fearing the LED industry's economic adjustment, Ronda launched the largest expansion in history. Due to Cree's low-to-medium power orders and long-term LED lighting demand, Ronda will conduct LED wafers and wafers before the first half of next year. Expansion plan, capacity growth rate of 4

[Text|High-tech LED reporter Gan Qin] As the largest and most professional LED exhibition in the second half of this year, the 2014 Gaogong LED Lighting Exhibition will be held at the Guangzhou Pazhou Canton Fair Complex on September 26-28. At that time, Shenzhen Chenri Technology Co., Ltd. (herein

PFC-SEPICLED driver PFC stands for "Power Factor Correction", SEPIC stands for "Single-Ended Primary Inductor Converter", of course, LED stands for "Light Emitting Diode" Integrating these three features in a single converter provides a high-eff