[i=s]This post was last edited by dontium on 2015-1-23 11:22[/i]Instrument amplifiers are often used in work. Sometimes noise is introduced for various reasons, and sometimes it is the noise generated...
Basic knowledge of lithium batteries
1.Concept of C
This is a very basic concept, and I was exposed to this concept in the previous reading materials when I was making this emergency light.
When we bu...
pointerThe problem is all about pointers.(1) For example, pointer operations: Addition and subtraction are relatively easy to understand, but what about multiplication and division? In actual programm...
In the underlying display driver of 2450, the display refresh rate is set to 60 and the effect is good, but when it is set to 60 in the core board of 6410, it still flickers. How do you set it? I hope...
[list=1] [*]1. A heap is actually a complete binary tree, and any non-leaf node of it satisfies the property: Key=Key[2i+1]&&key>=key[2i+2], that is, the key of any non-leaf node is not greater than o...
I made a menu under Wince5.0, and I want to make a check mark appear after selecting a sub-item in the menu. The code is as follows hwndCB = CommandBar_Create(g_hInst, hWnd, IDR_MENU); if (hwndCB) { C...
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]