(2006-06-28 08:34:42)A recent annual report on the global entertainment and media industry released by PricewaterhouseCoopers pointed out that the global entertainment and media industry is entering a...
[size=4]With the rapid development of mobile phones, electronics, and communications industries, the PCB industry has also grown rapidly. People have higher and higher requirements for the number of l...
[i=s]This post was last edited by 1nnocent on 2021-10-21 20:58[/i]The question is as shown in the picture. Picture 2 is the reference answer. The answer seems to be wrong.The answer to "1" seems to ha...
[i=s]This post was last edited by zengyi703 on 2020-3-14 11:38[/i]I was bored at home during the epidemic, so I made a small board that supports MicroPython. Basic hardware functions:
1. The microcont...
Please guide me what is the reason
Input 24V2A, output 5V800MA, 3.3V500MA and 4.6V800MA. After batch production, it was found that some DCDC chips were damaged after a period of use, ranging from seve...
More and more businesses and individuals are looking for ways to reduce their energy footprint and increase their use of renewable resources. Where should we focus in order to have a significant ef...[Details]
At 10:00 on February 28, at the construction site of Section 7 of the Shanxi section of the 1000 kV Mengxi-Jinzhong UHV AC project, construction workers excavated the 5R059 foundation, and work on ...[Details]
China Energy Storage Network News
: On October 15, Guoxuan High-tech and Jiyuan Software signed a strategic cooperation agreement in Hefei. The two parties intend to carry out in-depth cooper...[Details]
Research firm Counterpoint Research released its latest report. Although Apple has always maintained its leading position in the health field, Apple Watch shipments are expected to drop 10% yea...[Details]
Incremental photoelectric encoders are widely used in servo systems as speed and position sensors. In theory, the frequency of the feedback pulse of the photoelectric encoder corresponds to the speed...[Details]
O Introduction
The rapid development of society and science and technology has brought us a high-quality life, but in the complex and tense social changes, people are also under increasing pres...[Details]
The Semiconductor Industry Association (SIA) of the United States announced on the 3rd local time that global semiconductor industry sales in November 2021 were US$49.7 billion, a year-on-year and mo...[Details]
On March 7, the first batch of large-scale equipment for the Kunshan AUO low-temperature polysilicon phase II project officially entered the factory, with 11 large temperature-controlled container tr...[Details]
What information is needed to properly select a metering pump? 1. The flow rate of the metered liquid. 2. The main characteristics of the metered liquid, such as chemical corrosivity, viscosity and s...[Details]
A spectrum analyzer is a test and measurement device that is mainly used for frequency domain analysis of RF and microwave signals, including measuring signal power, frequency, distortion, etc. Its p...[Details]
The V-type development process of automotive electronic and electrical systems starts from the system functional safety, determines the technical safety requirements of the system at the system lev...[Details]
A recent report released by market research and survey organization Gartner shows that global chip procurement spending reached US$449.8 billion in 2020, an increase of 7.3% from 2019. Among the top ...[Details]
Portable electronic devices (whether personal electronics, remote scientific instruments, or a simple garage flashlight) all have one thing in common: batteries. This could be NiCad, NiMH, Lithium,...[Details]
The industry-renowned Arm® Tech Symposia annual technology conference will
kick off at the Ritz-Carlton Hotel in Pudong, Shanghai on November 19, 2024, and will move to the Renaissance Shenzhen...[Details]