In March, we held a discussion on the special activity of keystrokes in the forum ([url=https://bbs.eeworld.com.cn/viewthread.php?tid=97931]https://bbs.eeworld.com.cn/viewthread.php?tid=97931[/url] )....
As shown in the figure, LF398 always has the problem of not being able to adjust to zero. The online data shows that the power supply voltage is ±15V. The function of R5 is to make the voltage through...
I received only one SD card, but it came with a large SD card slot. It was not the rumored two SD cards. I was impatient to plug it into the USB port, and of course the mini SD card was also plugged i...
It is said that some netizens lost their virtual equipment when playing online games due to unstable network of China Railway Communications Corporation, so they intend to sue China Railway Communicat...
I made a STM32F103RBT6 board by myself. After soldering, I cannot download the program. It keeps saying "can not measure total IR len, TDO is constant high". I can download the program to the developm...
I wonder if anyone has used Zhou Gong's IIC package? When I use LPC2131 to read and write AT24C02, sometimes I can enter the interrupt, and sometimes I can't? I hope an expert can guide me! ! ! ! ! ! ...
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]
Most of the houses we live in now are elevator buildings, mainly because it is more convenient to go up and down the stairs! It can also make life more comfortable. It even helps to increase the ad...[Details]
As the number of cars increases, environmental pressures are also increasing. At this time, some people are saying that new energy vehicles are energy-efficient and environmentally friendly, and ar...[Details]
Ever since the Tesla fire incident, electric cars, already known for their poor reputation, have been subjected to even more scathing criticism. Despite this, many people are still willing to buy t...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
1. Introduction
Electronic scales are gradually replacing traditional measuring tools like springs and balances in everyday life, such as electronic price computing scales and electronic weigh...[Details]
On August 18th, Galaxis, a specialist in integrated intelligent intralogistics robotics, officially unveiled its next-generation, ultra-narrow aisle forklift mobile robot, the "VFR Ultra-Narrow Ser...[Details]
On August 22, according to the Ministry of Industry and Information Technology's official website, my country's first mandatory national standard for the control of hazardous substances in electric...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
Tires are a very important component for cars. They are related to the driving experience of the vehicle. We are almost inseparable from cars in our daily lives. For tires, according to the role of...[Details]
A half-bridge is an inverter topology for converting DC to AC. A typical half-bridge circuit consists of two controller switches, a three-wire DC power supply, two feedback diodes, and two capacito...[Details]
According to Nikkei, Japan has performed poorly in responding to China's power semiconductor challenges.
There are five major companies in Japan's power chip market: Mitsubishi Electric,...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
A tubular motor is an electric motor that is typically used to control the movement of machines and equipment. Tubular motors are generally divided into two categories: linear tubular motors and ro...[Details]
The difference between a series inverter and a parallel inverter is that they use different oscillation circuits. A series inverter connects L, R, and C in series, while a parallel inverter connect...[Details]