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The World Health Organization (WHO) Eye Care Association announced that from 2006 to 2008, more than 30,000 people worldwide went blind each year due to blue light and radiation, and issued an oran...[Details]
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Various portable electronic products, such as cameras, camcorders, mobile phones, laptops, multimedia players, etc., require power management chips such as DC-DC converters. Such portable devices...[Details]
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EDA (Electronic Design Automation) is the mother of chips and the jewel in the crown of the chip industry: EDA software tools cover all aspects of IC design, wiring, verification and simulation. E...[Details]
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Abstract: Design of a printed board fault diagnosis system based on over-driving technology. The system consists of an industrial control computer, an overdrive function board and a test needle ...[Details]
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1. Introduction to Android 1. What is Android: Android is a free and open source operating system based on Linux, mainly suitable for mobile devices such as smartphones and tablets. It is led and dev...[Details]
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Xiaomi Group’s first-half 2019 results were released. Both its two core businesses, mobile phones and AIoT, as well as other businesses, showed positive growth. However, the company’s stock price tre...[Details]
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Recently, General Motors and the U.S. Department of Energy's Renewable Energy Laboratory announced that they will conduct cooperative research on electric vehicle fuel cells. This cooperativ...[Details]
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From operators' comprehensive deployment of 5G network construction, to the mass launch of 5G terminals, to the reality of ultra-high-definition video, Internet of Things, Industrial Internet and oth...[Details]
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UHV has the comprehensive advantages of long distance, large capacity, low loss and small land occupation, and is the highlight of "new infrastructure". The State Grid Corporation of China Informat...[Details]
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Test Methods
The rapid microbial detector is a portable rapid quantitative microbial detector.
Rapid Microbiological Detector Test Method
1. Immunization method;
2. Genetic method;
...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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The use of LED lights is becoming more and more popular, especially in urban lighting and lighting beautification. However, once an LED light fails, it may bring adverse effects, so the protectio...[Details]
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设计一个可容纳四组参賽的数字式抢答器,每组设一个按钮供抢答使用。抢答器具有第一信号鉴别和锁存功能,使除第一抢答者外的按钮不起作用;设置一个主持人“复位”按钮,主持人复位后,开始抢答,第一信号鉴别锁存电路得到信号后,用指示灯显示抢答组别,扬声器发出23秒的音响。
*设置犯规电路,对提前抢答和超时答题(例如3分钟)的组别鸣笛示警,并由组别显示电路显示出犯规组别。
设置一个计分...[Details]
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In the TOP 500 list, Chinese supercomputer manufacturers have gradually increased their share from 7.4% four years ago to nearly 50%, and are gradually catching up with the United States in market sh...[Details]
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summary
A fully differential amplifier (FDA) has differential inputs and differential outputs, and its output common mode is independently controlled by the direct current (DC) inp...[Details]