As chip speed increases, in order to shorten the pin length and reduce signal crosstalk, the packaging of ultra-large-scale IC chips such as CPUs and SoCs (System on Chips) increasingly adopts flip ch...
Under WinCE, a 128M SD card can be correctly identified when it is inserted for the first time, but cannot be identified when it is inserted for the second time. The error is that the card cannot corr...
[color=#000][font=微软雅黑][size=3]The enthusiasm for the first round of the ranking event has not yet faded, and the second round has been launched in full swing! As the year draws to a close, everyone m...
[size=4][color=#000000][backcolor=white] When writing programs in C language, we often encounter such a situation: we want to define a global variable in the header file, and then include it in two di...
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
The installation locations of DC-DC converters are relatively scattered. DC-DC converters can be found on the power board, main board, logic control board and other circuit boards of PDP color TVs....[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
In view of the price and performance differentiation of Chinese home video intercom and security products, this paper analyzes
the design of smart terminals based
on a Chinese original
...[Details]
Improving the coordination of material handling and internal transportation between departments in modern factories is an important measure to achieve full automation of production. Traditional mat...[Details]
1 Introduction
With the rapid development of the national economy, AC motors have played an extremely important role in industrial production. As the main traction motor in various industries,...[Details]
MEMS sensors
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