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Insulation resistance meter, digital multimeter, clamp meter, etc. are some of the electrical and electrical measuring instruments that are often used in daily inspections by electricians. So what pre...[Details]
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According to digital bloggers, Samsung Display, the real king of under-screen technology, beats any under-screen solution you have seen on the market and is two generations higher than other solution...[Details]
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Research firm IDC released its forecast for the global smartphone market on May 26. The report shows that global smartphone shipments are expected to reach 1.38 billion units in 2021, a year-o...[Details]
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Traffic conditions in urban areas change rapidly, and relevant management units have relatively high standards for road monitoring and traffic control. A complete urban road traffic monitoring syst...[Details]
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The Redmi K30 Ultra phone is now available. According to the information from the Ministry of Industry and Information Technology, the Redmi K30 Ultra has a body size of 163.3×75.4×9.1mm, weighs 213 ...[Details]
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introduction Since the inverter transfer function is difficult to obtain and the voltage output often fluctuates, traditional pure PID control is difficult to achieve fast and stable response. The co...[Details]
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Voice of America quoted a Bloomberg report on the 15th that the Chinese government has quietly asked Chinese electric vehicle manufacturers including BYD and Geely to significantly increase the use...[Details]
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The digital multimeter is also composed of three major parts: the meter head, the measuring circuit, and the conversion switch. The meter head is generally composed of an A/D conversion chip, periphe...[Details]
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There are many kinds of electronic components. When equipment fails, it is mostly caused by the failure or damage of electronic components. At this time, it is particularly important to correctly d...[Details]
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The video surveillance system is a comprehensive system that integrates computer processing technology, network communication technology and digital audio and video encoding and decoding technology...[Details]
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Let us analyze the situation during the shutdown period of the control switch K.
During Toff, the control switch K is turned off, and the current flowing through the primary coil of the transf...[Details]
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Introduction
With the aging of the population and the improvement of the social welfare system, the labor cost has risen sharply. Some simple repetitive physical labor has provided a broad mark...[Details]
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Hikvision's 100,000th mobile robot has been successfully rolled off the production line. This is an important milestone, marking Hikvision Robotics' significant progress in the field of all-c...[Details]
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// Crystal oscillator 12mhz
#include reg51.h
sbit RS=P2^0; // RS data and command
sbit RW=P2^1; // read and write
sbit EN=P2^2; // read enabled
sbit busy=P0^7;
sbit DQ=P3^4;
#define uch...[Details]
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1 Introduction
In traditional computer systems, serial ports (such as RS232) and parallel ports are often used to connect peripheral devices. However, both serial ports and parallel ports have ...[Details]
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