I need help from all the experts! Thanks in advance for answering my questions
As shown in the figure, how can we simply determine the direction of the current in R4?
Can we analyze it this way: becau...
"We are looking for more environmentally friendly and energy-saving cars." Chen Xianjin, president of Shanghai World Expo (Group) Co., Ltd., said that during the World Expo, Shanghai will consider usi...
Embedded System Theory and Technology Wuhan University of Science and Technology : https://training.eeworld.com.cn/course/5374An embedded system is a special computer system that tailors the software ...
You have been too focused on advertising for manufacturers this year! I have received a lot of your advertisements in my mailbox! I don’t need them! Also, please don’t send me public messages in the f...
The purpose is
After power-on, the EN pin of the power chip is high level, the chip is not enabled, press the touch switch, the power chip outputs 3.3V, and the microcontroller pulls IO1 low to start ...
The picture shows a universal small battery charger with a rated charging voltage of 12V and a charging current of 1A. It can be used to charge various motorcycle batteries and small batteries of var...[Details]
1 Introduction With the continuous development of China's national economy, the living standards of the general public are improving day by day, and people have put forward new and higher requirement...[Details]
In the previous lecture, we learned several commonly used program debugging methods. In this lecture, we will introduce the uses of various windows provided by Keil, such as the output window, obse...[Details]
The growing demand for portable electronic devices, electric vehicles , and large-scale smart grids has driven the rapid development of energy storage technology. Lithium-sulfur batteries are conside...[Details]
1 Introduction With the development of digital large-scale integrated circuit technology, direct digital frequency synthesis technology (DDS) using digital circuits has the advantages of fast fre...[Details]
Generally speaking, the reliability of LEDs is characterized by half-life (i.e., the time it takes for the light output to decrease to half of its initial value), which is approximately between 1...[Details]
What principle does a dual-speed motor use to change its speed?
Dual-speed motors usually use two different types of windings, a high-speed winding and a low-speed winding, which can be connec...[Details]
A digital tube has eight segments: A, B, C, D, E, F, G, H, which is composed of eight light-emitting diodes; the conduction direction of the light-emitting diode is certain (the conduction voltage i...[Details]
At CVPR (the world's top academic conference in the field of computer vision and pattern recognition) 2019, Baidu Apollo unveiled Baidu Apollo Lite, a closed-loop solution for autonomous driving pure...[Details]
On July 17, Jingce Electronics issued an announcement stating that Wuhan Yiguang Technology Co., Ltd. (hereinafter referred to as "Wuhan Yiguang") has recently completed the industrial and commercial...[Details]
1. The difference between NOR and NAND Flash NOR NAND Interface RAM-Like, more pins, fewer pins, multiplexing (address and data sharing) Capacity Small (1-32M) Large (128M+) Read Simple Complex Write...[Details]
This morning, @中国消防官微播 announced a recent fire caused by a mobile phone catching fire while charging. According to reports, a child was playing with his mobile phone while charging it at home...[Details]
Introduction:
With the continuous development of industrial automation technology, frequency converters (Frequency Converters) are widely used in various industrial fields as an important dev...[Details]
With the development of technology, hardware has been upgraded to smart hardware, adding CPU, operating system, networking, health monitoring and other functions. The application of AI technology h...[Details]
The electrification of transportation is built on innovative developments, not only in battery technology and fast chargers, but also in on-board chargers (OBCs) that support up to Level 2 charging...[Details]