[align=center][font=楷体_gb2312]Preface[/font] [/align][align=left][font=楷体_gb2312] Security engineering is a project that aims to maintain social public security and comprehensively uses security techn...
[i=s]This post was last edited by wangfuchong on 2014-6-21 10:27[/i] I often see some netizens asking where to find the packages of some TI devices. In fact, there are also introductions on the Intern...
The adjustable power supply composed of LM317 has the following two problems:
1. What is the function of the circuit composed of VQ1 and R3 in the figure?
2. What is the function of VD2 in the picture...
Our current platform is PXA270, and we want to use an FPGA to expand an SDIO interface through the bus. PXA270 has a total of MA [0, 25], a total of 26 address lines. I would like to ask how many addr...
After running VS2005, an error occurs when running EVC again. Then restart and run EVC again, the same error occurs! If EVC4.0 is reinstalled, EVC will run OK, but as soon as VS2005 is run, an error o...
Recruiting MCU design engineers: 1. Know msp430 and have design experience 2. Have experience in msp430 C language development 3. Understand signal processing and use matlab 4. Preferably have more th...
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[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]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[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]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]