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0 Introduction With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]

Continuity test A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]

1. Proposal of reconfigurable measurement and control system The measurement and control system generally refers to a system based on computers to realize data acquisition a...[Details]

Key Points 1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments. ...[Details]

A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]

The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]

Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]

1. Electromagnetic compatibility design Electromagnetic compatibility refers to the ability of electronic equipment to work in a coordinated and effective manner in various electromagnetic env...[Details]

Modern communication equipment, portable electronic products, laptops, electric vehicles, small satellites, etc. generally use batteries as power sources and are widely used. However, the batteries...[Details]

Example of multitasking and resource reuse of programs There is an electromechanical device with two buttons that control two different parts of the device. Now the requirement is: wh...[Details]

High-frequency electrodeless lamp is a high-tech product that integrates electronic technology, vacuum science, power electricity, plasma science, magnetic material science and other disciplines. Elec...[Details]

The so-called constant current source is a power supply with a very stable output current, but this stability is relative, not absolutely unchanging, but its rate of change is so small that it can be ...[Details]

1 Working Principle This system makes full use of the control and computing capabilities of the 89C51 single-chip microcomputer and adopts the MCS-51 assembly language to design a microwave pu...[Details]

Sensors of all types have evolved greatly over the past few years and are much more accurate and stable than their predecessors. Sometimes, these sensors are not easy to use. Designers of cond...[Details]

1. Project Overview: Changan Automobile Manufacturing Plant could produce 6 types of cars, with an annual output of about 80,000 vehicles. Its assembly line was manufactured in the late 19...[Details]