I'd like to ask, I've just started learning vector control, what is "j" in the synthetic vector formula of three-phase symmetrical sinusoidal current? Thank you! !...
1 Problem Introduction
When developing socket communication, TCP or UDP are generally used as transport layer protocols. UDP (User Datagram Protocol) is a connectionless protocol . It does not need to...
In electronic circuits, sending the output signal of the previous circuit (or signal source) to the next circuit (or load) is called coupling. The function of coupling is to transfer (or convert) the ...
In this issue, the Pioneer technical officer will show you how to use the HPM6700 series to achieve a GPIO flip frequency of up to 400Mhz. Scroll down to learn more!--------- "Unlocking Journey" start...
When submitting the board, I found that the number of layers of the board is an even number. In fact, I am a little curious. Why are three-layer boards rarely seen in PCB design? It can even be said t...
On the morning of March 23, a hacker group claimed to have obtained about 37GB of Microsoft source code, which is related to hundreds of projects including Bing search and Cortana voice assistant. ...[Details]
1 Introduction
LED (light emitting diode) display screen is composed of light emitting diode array. Light emitting diode (LED) is a current control device with the advantages of high brightnes...[Details]
1. Introduction DS18B20 digital temperature sensor is easy to wire and can be used in many occasions after packaging, such as pipeline type, thread type, magnet adsorption type, stainless steel packa...[Details]
1. The basic format of PIC microcontroller program
First, let's introduce two pseudo instructions:
EQU -- label assignment pseudo instruction
ORG -- address definition pseudo instruction More chip ...[Details]
1. Features of Exynos4412 UART The UART in Exynos4412 has 4 independent channels, each of which can work in interrupt mode or DMA mode, that is, the UART can issue an interrupt or DMA request to tran...[Details]
To use the uart1 serial port, you need to use two files: stm8s_uart1.c and stm8s_uart1.h 1. Create a project directory structure as follows: 2. Write the uart.h file as follows: #ifndef __UART_H #d...[Details]
Audi has a saying that technology achieves the beauty of art. How does technology achieve the beauty of art? Perhaps many people do not understand this. In fact, there are many annotations for thi...[Details]
According to public data, IBM's current revenue is $79.95 billion, which has returned to the level of 1998, when its revenue was $81.67 billion. But this does not take into account inflation, and if ...[Details]
1 Secondary side rectifier
Diode
Reverse recovery process
In fact, when a reverse voltage
is suddenly applied to a diode that has been turned on
,
after
...[Details]
Last June, UMC announced that it would spend tens of billions of yen to purchase all the shares of Mie Fujitsu Semiconductor Co., Ltd. (MIFS), a 12-inch wafer fab jointly owned by UMC and Fujitsu Sem...[Details]
LCD is the abbreviation of Liquid Crystal Display. The structure of LCD is to place a liquid crystal box between two parallel glass substrates, set TFT (thin film transistor) on the lower substrate g...[Details]
0 Introduction The normal operation of today's society is inseparable from integrated circuit products. Integrated circuit technology is widely used in all walks of life, such as transportation, indu...[Details]
1.
AC LED
is not a fundamental change in the device.
In other words, there actually does not exist an LED chip that works with an alternating electric field mechanism. The AC LED that is...[Details]
This article compares the arm and mobile solutions and introduces their characteristics.
The above classification is based on the application object. In addition, there are more general-purpos...[Details]
Data shows that by 2027, the scale of conductive silicon carbide power devices in the automotive market is expected to reach US$4.986 billion, accounting for 79.2%, while the market shares of energ...[Details]
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