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　　 The development of video surveillance technology can be divided into three stages, namely the analog video surveillance stage that began in the 1970s , the digital video stage that began in the 1...[Details]

Knorr-Bremse is committed to advancing highly automated driving (HAD) technology in the truck industry. As a professional leader in its market segment, Knorr-Bremse mainly provides advanced redunda...[Details]

Time is limited, use digital tube to display 8-way answer, use timer to scan 8-way, the interval can be adjusted to be very small. In addition, it has the function of setting time (answer and answe...[Details]

In recent years, the sales volume of new energy vehicles in my country has increased year by year, and the energy storage industry has developed rapidly, driving the rapid growth of power battery prod...[Details]

Circuit Principle of Automatic Fire Extinguishing Device 　　The circuit working principle of the device is shown in the figure below. JS is a very thin metal wire, which is wound around the protecte...[Details]

      Anycall is a mobile phone brand founded by Samsung Electronics in South Korea in 1993 and later merged into the Samsung brand. Samsung today launched a special edition of Anycall earphone prote...[Details]

The internal temperature of the engine is very high when it is working, so how does it cool and lubricate itself? Today, the editor will take you to learn about the cooling and lubrication systems ...[Details]

How to make a perfect OTL headphone amplifier and its principles    Here I pursued the perfect sound with an uncompromising attitude, so that it can be used as a preamplifier to drive any type of p...[Details]

The following two methods are generally used to calibrate the DC current part of the digital multimeter: 1) DC standard current source method; 2) Direct comparison method (standard digital ammeter me...[Details]

Zhongzi Environmental Protection Technology Co., Ltd. (hereinafter referred to as the "Company") has signed a strategic cooperation agreement with Qingdao Nengfeng Electric Co., Ltd. (hereinafter r...[Details]

The 2022 World Robotics Conference, which ended not long ago , showcased the innovative applications of robots in many fields such as manufacturing, construction, medical care , agri...[Details]

Humans are visual animals, relying on their eyes to obtain visual information, identify direction and distance. When your car helps you drive, what are its "eyes"? The answer is onboard ...[Details]

At present, the design of module power supply is becoming more and more standardized, and the control circuit tends to adopt digital control. The growth rate of non-isolated DC-DC converters (includi...[Details]

The author of this article, Li Xingyu, is the vice president of market development and strategic planning at Horizon Robotics, an expert in the autonomous driving industry, former senior marketing ma...[Details]

1. Experimental tasks A digital voltmeter is designed using the single-chip microcomputer AT89S51 and ADC0809. It can measure DC voltage values ​​between 0 and 5V and display four digits, but requi...[Details]