59000C-J-7HB

1 Introduction There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]

Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]

Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]

With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]

IntroductionLED billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]

Introduction The LED market has seen tremendous growth over the past few years. Advances in thermal dissipation, packaging, and processing have resulted in higher brightness, higher efficien...[Details]

introduction This paper mainly studies the problem of voltage sag control. For sensitive load equipment with rectifier inverter structure, this paper proposes a DC dynamic voltage restorer (Dy...[Details]

During the operation of electronic equipment, memory failure or failure will not only lead to economic losses, but also may lead to catastrophic consequences. Therefore, memory testing has ...[Details]

According to the National Shipbuilding Industry Economic Research Center, the total shipbuilding capacity in my country last year was about 9×106t. The new ship orders exceeded 17×106t, accounting ...[Details]

In the process of designing electronic products, we usually control the cost of the designed products, always try to simplify the circuit, reduce the components, and simplify the installation process....[Details]

1. Introduction Diesel engine test is the last key process in the diesel engine production process, which plays a very important role in the manufacturing quality of diesel engines. Its main c...[Details]

1 Introduction In recent years, the application of LED display screens has developed rapidly, promoting the progress of LED driver ICs. Based on the high reliability of LEDs and the consistenc...[Details]

Abstract Based on the overview of the hardware design of digital synthesis sweeper, this paper describes a USB2.0 interface design based on ISP1362, including the hardware structure design of USB i...[Details]

With the development of the national economy and the improvement of people's living standards, central air conditioners are increasingly widely used in civil and public buildings. While central air co...[Details]

The three-dimensional rotating LED, also known as POV LED, is an electronic product that uses the persistence of vision effect of the human eye to display graphics, animations and other information. I...[Details]