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introduction Cars are becoming an indispensable part of people's lives. However, what worries car users is that the theft of cars is increasing year by year. This paper aims to design a conven...[Details]

When you hear the word digital TV, you may feel fresh and excited, but when it comes to what digital TV is and what it can bring us, you may still be confused. You must be very eager to understa...[Details]

In today's world, terrorism poses a severe challenge to social development, national stability and human progress. "Terrorism, political corruption and environmental pollution" are known as the thr...[Details]

The rapid growth of consumer video applications, from portable media players and cell phones to video game consoles, requires a multitude of different interfaces and adapters to enable users to tra...[Details]

Abstract Modbus protocol has become the first choice of communication protocol in the current industrial field due to its openness, transparency, low cost and easy development. This paper int...[Details]

Overview and application status of IC card access control IC Card Access Control Overview System Overview: Use IC card as the carrier to realize identity recognition and access co...[Details]

After more than 20 years of development, Ethernet has become an indispensable part of the underlying connection in modern Internet. It is easy to network and has better openness, making it one of t...[Details]

1. Overview At present, there are many cases related to motor vehicles among all kinds of criminal crimes, such as hit-and-run, theft and robbery of motor vehicles, etc. If an automatic mo...[Details]

1 Introduction Combination weigher is also called selection combination weighing instrument. It is composed of multiple independent weighing units with feeding and discharging structures. ...[Details]

1 H4006 chip introduction The operating frequency range of H4006 is 10～15MHz, and 13.56MHz is usually selected for identity recognition. There is a 64-bit programmable memory on the ch...[Details]

The following figure is a schematic diagram of the fiber optic video surveillance network solution of OnAccess@ of Shoumai Communication. It is completely based on video digitization and Ethernet t...[Details]

Traditionally, digital logic has not consumed a lot of static power, but this is changing dramatically as process nodes continue to shrink. Now, as process scale continues to shrink, leakage curren...[Details]

As a major component of highway informatization construction, highway monitoring system is gradually attracting the attention of peers in the industry. It is understood that many units often only p...[Details]

0 Introduction Portable electronic products occupy an increasingly large share in the market, and the demand for low-voltage, low-power reference voltage sources has greatly increased, whi...[Details]

When IEC31000-3-2 became mandatory in 2001, many companies began to consider Power Factor Correction ( PFC ) in their designs, including lighting equipment, portable tools, all electronic eq...[Details]