2N4905

A few days ago, multiple sources pointed out that Lenovo founder Liu Chuanzhi was about to step down as chairman of Lenovo Holdings. On the evening of December 18, Lenovo Holdings issued an announcem...[Details]

Next, let’s talk about S5PV210 development – ​​UART detailed explanation, which mentions TTL and RS232 levels. RS232 Level Logic 1: -3V~-15V Logic 0: +3V~+15V TTL level Logic 1: +2V~+5V Logic 0: ...[Details]

China UnionPay's "Face Payment" shines at CIIE The financial industry covers a wide range of fields, including banking, securities, funds, gold, foreign exchange, options, etc. However, what is close...[Details]

EPS emergency power supply device frequently asked questions: 1. What is the name of EPS? EPS is the abbreviation of Emergency Power Supply, and its Chinese name is emergency power supply...[Details]

　　introduction 　　Modern logistics industry has become one of the main driving forces for economic development and is the main industry for promoting economic development. Logistics is the physical fl...[Details]

On February 12, according to the Guangzhou Daily, yesterday morning, the Guangzhou Municipal Government held a consultation meeting with representatives of semiconductor and integrated circuit compan...[Details]

Electric vehicles are not a "new invention" of the last century or this century. This technology, which was born in the 19th century, once shared the automotive market with steam power and internal c...[Details]

　　The image measuring instrument is based on the artificial intelligence technologies such as automatic edge extraction, automatic matching, automatic focus, measurement synthesis, and image synthesi...[Details]

For the production of LED chips, the selection of substrate materials is the primary consideration. Which suitable substrate should be used needs to be selected according to the requirements of the eq...[Details]

According to foreign media reports, Audi has been leading the development of lighting technology. Now the company has officially launched an optional device on the 2021 e-tron and e-tron Sportback mo...[Details]

In various documents about oscilloscopes, safety instructions are usually placed in the first chapter to remind you: Use electricity safely and operate in a standardized manner. Before using an oscil...[Details]

ZESTRON, a provider of precision electronic cleaning, technology and analytical solutions, will attend the 2021 NEPCON Asia Electronics Show as scheduled. Facing the new landscape of the electronics ...[Details]

When the multimeter is in the current range, the current flows in from the red probe of the meter or the black probe of the meter. When the current does not flow in from the specified probe, the curr...[Details]

Radar level meter is a general-purpose radar level meter. It is a measuring instrument based on the time travel principle. Radar waves run at the speed of light, and the running time can be converted...[Details]

Despite its huge success, Apple has never been able to successfully enter the gaming market, either in the console or computer gaming sectors. Back in the 1990s, before Steve Jobs return...[Details]