The LMR24220 module I applied for last time was used in my DIY QQ smart lock. The lock was bought from Taobao. It is a motor-controlled control signal. It is open when 9V is supplied and closed when n...
[size=4][b]About rewards: [/b][/size] [size=4][b]The activity rewards E coins, E coins are equivalent to RMB, which can be used to exchange for physical gifts of your choice. [url=https://bbs.eeworld....
"How to find official documents for STM32 and STM8" This is what you posted in the ST MCU column. I also read the information here. It contains some introductions and chip structures, which can only b...
The Altera 3GPP LTE Turbo Reference Design demonstrates using Turbo codes for encoding with trellis termination support, and forward error correction (FEC) decoding with early termination support. The...
:):):) Actually, I also applied for TPA3122 from TI. TI is not as generous as it used to be. Many chips cannot be applied for. I am so sad. I have been bored with my graduation project recently, so I ...
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]
Is pure electric vehicles a false proposition for long-distance driving? At least from my personal perspective, based on current technological and infrastructure standards, I believe so. Below, I'l...[Details]
Topics: Bring Your Own Device (BYOD) trends; the impact of using employees' own mobile devices to control access to work facilities and equipment on information security; and ways to securely imple...[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]
When discussing autonomous driving technology, there are often two extremes: on the one hand, there's the vision of "fully autonomous driving," while on the other, there's concern about potential s...[Details]
introduction
As “energy conservation and emission reduction” has become an indicator of the National Economic Development Outline of the 11th Five-Year Plan, people’s awareness of green enviro...[Details]
In the scorching summer, electric fans are a must-have for cooling down people's homes. However, I believe most people have encountered this situation: the fan is plugged in, the switch is pressed,...[Details]
Electric vehicles are now widespread, but they've brought with them a host of problems, the most prominent of which is charging. Small electric vehicles (EVs) are a new form of transportation in a ...[Details]
1. Multi-channel DAC technology bottleneck
Currently,
the development of multi-channel DAC technology focuses on two core challenges.
First, industrial applications urgently ...[Details]
With the continuous development of the industrial automation industry, we are seeing an increasing number of intelligent devices using flexible, efficient, and precise robotic arms to p...[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]
In the field of intelligent driving, regulations are becoming increasingly stringent, and the technical threshold continues to rise. Especially after the traffic accident in March 2025, the Ministr...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
In daily life, when we purchase a transformer, we are faced with the installation and wiring procedures. Generally speaking, large transformers such as power transformers are equipped with speciali...[Details]