This picture is from someone else. In the picture, there is 18V AC power in front of the rectifier bridge.
I analyzed it this way: at the moment of power-on, Q2 is turned on, and there is voltage at t...
The contents of this book include: basic electrical calculations, power transmission and distribution and reactive power compensation, transformers, motors, high and low voltage electrical appliances,...
Regarding the secondary protection chip of BMS Thebattery management chip is already used to manage each battery cell of the battery pack. The secondary protection chip also has corresponding pins con...
1. Introduction
This article is based on the Perf-V development board and uses the technology provided by Xilinx to generate clock signals of multiple frequencies according to the given frequency sign...
For sinusoidal signals, the current flowing through a component and the voltage across it are not necessarily in phase. How does this phase difference occur? This knowledge is very important, because ...
I want to build a substation control and protection system. I have a DE1-SoC development board. I plan to use the SoC function to develop TCP/IP on an embedded operating system, and other logic functi...
On April 28, Xinpengwei released its Q1 performance report, stating that the company achieved operating income of 143 million yuan, a year-on-year increase of 125.99%; the net profit attributable to ...[Details]
The reason for writing this article is that I found that there are few articles on the Internet that analyze the principles of STM32 registers. Maybe it is too simple and no one is willing to ...[Details]
1.TIMx (1-8), in the default library settings, all are 72M clocks; There are eight TIMx, of which TIM1 and TIM8 are connected to the APB2 bus, while TIM2-TIM7 are connected to the On the APB1 bus...[Details]
Founded in December 2018, Shanghai Xinlianxin Intelligent Technology Co., Ltd. is mainly committed to the innovative research and development of CPU IP technology and full-process IC design services ...[Details]
Working principle of 4~20ma current loop
In industrial sites, using an instrument amplifier to complete signal conditioning and long-distance transmission will cause the following problems: F...[Details]
On November 30, blogger @数码闲聊站 revealed that Xiaomi 11 (tentative name) has been submitted for filing and is expected to be officially announced next month. Its production capacity has now begu...[Details]
1. Introduction
Nowadays, with the development of information technology applications, it has become a trend to comprehensively apply wireless communication technology, intelligent collection techn...[Details]
Spherical robots are a hot topic at home and abroad recently. There are many successful examples both at home and abroad. After referring to many robot examples, the author proposed a unique spherical...[Details]
As cameras are expected to become the eyes on the road for today’s vehicles, they must operate reliably and efficiently. After all, they are a key component of advanced driver assistance systems (A...[Details]
The system is a wireless email terminal based on WLAN (Wireless Loeal Area Network). Users can easily input email content on the touch screen with a stylus, and send and receive emails throug...[Details]
The foldable phone market is expected to grow with new entrants this year, and one of the big companies rumored to be launching a foldable phone this year is Google. Now, a tipster has confirmed that...[Details]
According to Taiwan media Economic Daily, affected by the epidemic, sales of mid- and low-end mobile phones have improved. The market has heard that Apple plans to launch an iPhone priced below US$30...[Details]
China Energy Storage Network:
Recently, Advanced Energy Materials published an article stating that the National Institute for Materials Science of Japan has developed a durable perovskite ...[Details]
How to wisely choose the right LED driver is a question that every engineer is concerned about. Here we have compiled the opinions of netizens in the forum for your reference. According to the cha...[Details]
According to Wired magazine, organ transplantation has saved many lives, but this technology also has drawbacks such as insufficient organ sources and difficult-to-avoid rejection reactions. No...[Details]
Analog electronics
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