The power supply is an important part of the PCB board. Each chip needs power supply. The chip is actually quite fragile. As long as the positive and negative poles are connected in reverse, most of t...
Each immediate value is obtained by rotating an 8-bit constant right by an even number of bits. The number of bits rotated right is represented by twice a 4-bit binary number. Then:
=immed_8 Rotate ri...
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I wanted to close it this time because there are not 40 people, and Zhilin is not willing to do so, but some netizens support it, so for the sake of integrity, I insist on opening the group. Please ta...
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
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]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[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]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[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]
0 Introduction
For a long time, rats have caused great trouble to family life and agricultural production. However, existing mechanical methods, chemical methods and biological control methods all h...[Details]
FSP107-2PS01 two-in-one power supply assembly is mainly used with LG 26-inch screens to directly drive CCFL lamps, as shown in Figure 1. If used with screens from other manufacturers (such as Sams...[Details]
PPTC device technology has been widely used in overcurrent and overtemperature circuit protection designs for portable appliances, cell phones, computers and telecommunications equipment. New stand...[Details]
1 Overview
In microwave detection systems, antennas are usually the closed loop points of the system's automatic control loop. As an important part of a receiving/transmitting control...[Details]
LED lighting
has become the focus of widespread attention for its high energy saving, long life and environmental protection. There are successful cases in the field of functional lighting in...[Details]
An important reason for the low life of LED driver power supply is that the life of the aluminum electrolytic capacitor required by the driver power supply is insufficient. The main reason is that ...[Details]
Industrial Control Electronics
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