[i=s]This post was last edited by kejoy on 2015-6-12 19:18[/i] [size=4]3. Disassembly of VLMC laser engraving machine[/size] [align=center][/align] [align=center]LOGO Town Post[/align] [size=4][b]3.1,...
Some notebooks can switch to LCD+CRT extended mode by pressing the display switching hotkey. How is this achieved? The general display switching only switches between LCD, CRT, and LCD+CRT Clone modes...
I just started to learn about I2C module recently. I have a question about FIFO of I2C communication: If DSP is the host and wants to send or receive data that is larger than the depth of FIFO, how to...
[size=4]Several popular answers to common questions about fast charging[/size] [size=4] First, let me introduce the concept of "C" in battery charging. This concept is very important and is the most c...
The input signal of Q1 is a pulse signal with a duty cycle of 1% and 100Hz. I want to control the duty cycle of the voltage pulse at the output end of the transformer to be different from that of Q1. ...
[p=30, null, left][font=宋体][color=#000000] In recent years, PCB industry manufacturers have begun to introduce computer integrated manufacturing (CIM) technology, establishing organic information inte...
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
introduction
The air compressor unit in the operating area of a lead-zinc mine in Guangdong is a key equipment in mining production. There are six imported Ingersoll Rand CENTAC air compress...[Details]
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[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]
With the development and application of liquid crystal display technology, more and more developers want to use liquid crystal screens to display Chinese characters in the instruments and equipment th...[Details]
1 Theoretical Analysis
Ultrasonic waves
When propagating in a suspension, the ultrasonic waves that encounter the suspended particles are scattered and attenuated at the interface, an...[Details]
Any power system that operates from an AC source has an associated power factor, which is defined as the way it draws current from the AC source. The power factor of an AC power system is defined a...[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]