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"It's nothing fancy, it's just a way to make a living. Now we are still thinking about how to survive and keep having a meal." In October 2018, Hikvision President Hu Yangzhong talked about the origi...[Details]

With the rapid development of human society towards informatization, the civil air defense system has become an important part of modern national defense construction. Civil air defense refers to the ...[Details]

Abstract: A new power supply topology for LED display module is designed . After filtering, rectification and PFC correction, the 220 V/50 Hz (or 110 V/60 HZ) AC power generates a 400 V v...[Details]

For products in various industries, there are various parameters for equipment. For the audio industry, speakers, sound sources and amplifiers also have many parameter indicators, but most consumers ...[Details]

Recently, according to news reports, we learned that the current solid-state battery technology has made the latest progress. According to Chen Jun, deputy to the National People's Congress, vice pre...[Details]

Soitec, a global leader in the design and production of innovative semiconductor materials, announced a strategic collaboration with Mersen, a global expert in power and advanced materials, to jointl...[Details]

How to distinguish the upper and lower limits of the electric contact pressure gauge The electric contact pressure gauge has measurement and control functions. The upper and lower control pressure va...[Details]

The spectrum analyzer is a commonly used test instrument in the field of radio frequency and microwave applications. Through the test of the spectrum analyzer, many important performance parameters o...[Details]

With the continuous expansion of enrollment, the experimental equipment of domestic ordinary colleges and universities is often old and cannot be updated in time, thus failing to keep up with the rapi...[Details]

On December 24, the 100MW photovoltaic grid-connected power generation and energy storage facility project of Huadian Shache, Xinshang Energy Shache, and State Power Investment Corporation Shache was ...[Details]

summary Condition monitoring systems that can capture data from multiple sensors at the same time typically use channel-to-channel isolation solutions to eliminate ground loops...[Details]

/* Name: Play music Description: The program plays the Happy Birthday song while it is running. No timer interrupt is used, and all frequencies are completely realized by delay. */ #include reg...[Details]

At present, along with the popularization of Internet and personal computer, people usually use wired headset to carry out voice chat.Due to the limitation of wired headset, people must sit in front ...[Details]

On October 18, BOE stated on the investor interaction platform that the company's production lines are operating well and orders are full. In terms of patents, more than 4,500 patent applications wer...[Details]

On October 24, OPPO, the world's leading smart terminal manufacturer, released its latest flagship mobile phone Find X8/X8 pro, which features a thin and light straight screen and imaging flags...[Details]