[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:00[/i] Li Jun, president of Sugon Information Industry Co., Ltd., recently accepted an interview with Xinhua News Agency reporters at S...
From powertrain, to advanced driver assistance systems, to infotainment and safety, electronic control units (ECUs) such as the Controller Area Network (CAN) are needed in vehicles to perform differen...
Platform: Intel pxa255, wince4.2, screen 320*240. If you have successfully done this, please contact me. Salary is negotiable. Newbies please do not bother. Thank you 010-82867177-220 Mr. Wang...
The chip I use is TM4C1294NCPDT, and the debugging software is keil4.73. Why can my serial port 0 and serial port 1 enter the interrupt service program, but serial port 2 cannot? (There is definitely ...
Let me describe the basic situation first: Hardware platform: 270 System version: 4.2&5.0 Problem: Automatic registration of the database by creating a shortcut. It has been done under 5.0, but some u...
In EBOOT, I encountered a particularly strange problem: GPG11 is a control pin that controls a transistor to control the power supply. volatile S3C2440A_IOPORT_REG *s2440IOP = (S3C2440A_IOPORT_REG *)O...
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
0 Introduction
With the rapid development of modern power electronics technology, various power electronic devices have been widely used in various fields such as power systems, industry, an...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]
In recent years, the application of single-chip microcomputer systems in the field of industrial measurement and control has become more and more extensive. However, for industrial sites with harsh...[Details]