The electronics industry is facing a new round of environmental impact 2006-7-20The EU environmental directive (RoHS Directive) was implemented on July 1. Industry insiders predict that one-third of s...
1. Introduction
I have been studying ST60 for a while. ST's tour also demonstrated the functions of ST60. I was attracted by this technology. I was very happy to be able to get in touch with it at EEW...
LM25574Q is an Automotive Grade product that is AEC-Q100 grade 1 qualified (40°C to + 125°C operating junction temperature)，42V Input Voltage Max, 0.5A Output Current
器件手册：LM25575Q is an Automotive Gr...
I am working on the SPI driver for PXA270. When entering the initialization operation in SPI_Init, dwSpiSysIntr = SYSINTR_NOP; dwHwIntr = IRQ_SSP; hSpiEvent = CreateEvent(null, false, falsE, null); if...
I found that when RS485 is reading data, sometimes a false freeze will occur. At this time, if an interrupt occurs, the program will stop at return ReadFile(g_hDEV, commRead, NumBytes, ref BytesRead, ...
Current Status and Trends of Taiwan's IC Design Industry2001-11-6 1. IntroductionThe separation of IC design and integrated circuit manufacturing began in the 1980s. This interactive business model of...
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
The biggest advantage of Profibus is that it is guaranteed by the stable international standard EN50170 and has been proven to be universal in practical applications. It has been widely used in man...[Details]
The programmable controller directly controls the stepper motor, which can significantly reduce the cost of the control system of the modular machine tool automatic production line. The article int...[Details]
1. Introduction
The advancement of USB technology makes designers prefer USB interfaces in PC peripheral development. However, existing
virtual instrument
development platforms such...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
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