The electrolytic capacitor still has 300V voltage when the circuit board is powered off. Use your bad test lead to connect a 30K resistor in series. When repairing the board, just discharge the large ...
2007 2nd Shenzhen International Piezoelectric Crystal and Application Technology Exhibition Time: June 13-15, 2007Venue: Shenzhen Convention and Exhibition Center Organizer: Hong Kong International Ex...
I re-read the backlight driver and found a few questions to ask you: [b]1. [/b]pBKLinfo->hCoreDll = LoadLibrary(TEXT("coredll.dll")); if (NULL != pBKLinfo->hCoreDll) { pBKLinfo->pfnGetSystemPowerStatu...
[color=#333333][backcolor=rgb(238, 238, 238)]EDIT control data cursor selects the number in reverse and changes the current number (ucgui interface [color=#555555][backcolor=rgb(255, 255, 255)][font=A...
[color=#333333] NFC is developed on the basis of RF technology. NFC is essentially not much different from RF technology. Both are based on signal transmission between two objects with close geographi...
There are many different ways of human-computer interaction. The more common ones are listed below:
Mouse interaction: Using a mouse to operate a computer and interact was the most common human...[Details]
The problem of dynamic sealing of equipment always exists with the operation of the equipment. Today, we have specially sorted out the various commonly used sealing forms, usage scope and character...[Details]
To understand why car engines need gearboxes, we must first understand the characteristics of different types of engines. An engine refers to a machine that can convert a form of energy into kineti...[Details]
Long ago, the lifespan of cars in my country was 15 years. Once a car reached 15 years old, it was forced to be scrapped. However, the policy was later changed. As long as the car does not exceed 6...[Details]
When we travel in cities, we all find that electric vehicles have many advantages. As a means of transportation, they can also fulfill their mission well. Now, more and more residential communities...[Details]
Today's security industry has entered the era of massive networking. Many enterprises, especially financial institutions, have established multi-level video surveillance networking platforms. Lever...[Details]
The structure of an LCD TV primarily consists of the LCD display module, power module, driver module (primarily including the main driver board and tuner board), and keypad module. LCD display modu...[Details]
The automotive industry in 2025 is undergoing a thorough intelligent reshuffle.
Geely wants to make changes in the field of AI cockpits: in the future, there will be no traditional smart...[Details]
As the scale and business applications of national e-government networks continue to expand, the data and services transmitted over them are becoming increasingly sensitive and critical. To protect...[Details]
Smartphones have become essential digital devices, and the growing number of smartphone-centric applications is enriching people's lives. As users, they desire a better app experience and a wider r...[Details]
Normally, we determine our location and where we want to go by comparing our surroundings with observation and simple GPS tools. However, this kind of reasoning is very difficult for self-driving c...[Details]
Preface
Low-voltage motors are widely used in nonferrous metallurgical plants. Their abnormal operation not only impacts normal production but can also threaten human life. Therefore, providin...[Details]
With the increasing popularity of automated equipment, linear modules, a common auxiliary device for automated equipment, have also seen a bright future. In particular, in recent years, many small ...[Details]
Inverter power supplies on the market can generally be divided into two categories: sine wave inverters and square wave inverters. Some engineers also like to categorize pure sine wave inverters as...[Details]
0 Introduction
DVI (Digital Visual Interface) is a hot topic in current digital display research and application. Video processing technologies for DVI output not only address issues such as h...[Details]
Industrial Control Electronics
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