About the segment screen shadow light and darkFor example, if you only want to flash a part of the content, you don't want to display the other content1, but the unnecessary content is also displayed,...
Modular power components not only help engineers gain powerful design advantages (including predictable component and system functionality and reliability, short design cycles, easy system configurati...
After the previous introduction, we can see that the OpenCV library has been built. It is equipped with the OpenCV4.4.0 version. However, to use it, we still need to have the same library in the virtu...
[size=4]The reading method of ceramic capacitors is basically the same as that of resistors, which can be divided into three types: color code method, digital code method and direct code method. The b...
According to Business Korea, LG Chem has begun to inject capital into its battery joint venture with General Motors (GM). LG Chem's business report released recently showed that the company invested ...[Details]
Function of the circuit
The voltage controlled amplifier (VCA) can use an external DC voltage to adjust its gain. Therefore, in addition to being used as a circuit with a variable gain,...[Details]
News on August 27, today, China Internet Network Information Center (CNNIC) released the 48th "Statistical Report on the Development of China's Internet" (hereinafter referred to as the "Repor...[Details]
On the morning of March 15, the State Council Information Office held a press conference on the national economic operation in January-February 2022, inviting Fu Linghui, spokesperson of the National...[Details]
DC/DC converters are important components in battery-powered computers, consumer products, and industrial equipment. There are two types of converters: linear converters and switching converters....[Details]
What is OHCI The USB protocol specifies four types of transfers: interrupt transfer, control transfer, isochronous transfer, and bulk transfer. There are two types here: periodic transfer and non-p...[Details]
According to foreign media reports, researchers have discovered a new way to improve lidar systems, namely chip-based beam steering technology. This newly developed technology is expected to achieve ...[Details]
With the massive promotion and sales of handheld and portable devices such as smart phones, tablet computers and MIDs in the market, coupled with the increasing diversity and availability of various t...[Details]
A few years ago, relevant government departments proposed to pay close attention to the revolutionary changes that the Internet has brought to the automotive industry. The Internet of Vehicles has br...[Details]
There have been a lot of leaks recently about Samsung's next-generation flagship model Galaxy S21. Today, the screen glass panels of three suspected Galaxy S21 models were exposed. Tipster Ice Univ...[Details]
Samsung, Hyundai Motor, SK, LG and other companies are stepping up efforts to provide large donations, daily necessities and emergency medical supplies to help people fight the new coronavirus, a...[Details]
Today I will introduce to you the QPI/OPI mode of enabling serial NOR Flash in FDCB. We know that there are five major subsequences in the Flash read sequence: CMD + ADDR + MODE + DUMMY + READ. The...[Details]
Since its introduction at the end of the last century, integrated cameras have played a key role in places with high environmental requirements, such as highways, municipal venues, hotels, and hos...[Details]
Relay J realizes the self-locking and automatic power-off of switch K. When the battery is connected, press K, the power indicator L lights up, and J is energized and attracted. K is self-locked by i...[Details]
Discrete Device
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