Some people say that using these two functions QueryPerformanceCounter QueryPerformanceFrequency can achieve microsecond timing, but how to achieve it specifically? For example, to achieve a 10us dela...
[i=s] This post was last edited by Watermelon Cold Pomelo on 2017-5-31 18:04 [/i] Last night I watched the trailer of "Shock Wave" starring Andy Lau. I was indeed shocked by the explosion effects in i...
This book introduces in detail the development tools and Linux C language basics, advanced embedded Linux C language programming, analysis and application of common kernel data structures, embedded Li...
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[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]
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[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]
1 Theoretical Analysis
Ultrasonic waves
When propagating in a suspension, the ultrasonic waves that encounter the suspended particles are scattered and attenuated at the interface, an...[Details]
Example of multitasking and resource reuse of programs
There is an electromechanical device with two buttons that control two different parts of the device.
Now the requirement is:
wh...[Details]
In a network-centric battlefield, all systems (platforms) are interconnected nodes that work together to provide mission-critical information to military personnel. This approach is driving the dev...[Details]
1 Working Principle
This system makes full use of the control and computing capabilities of the 89C51 single-chip microcomputer and adopts the MCS-51 assembly language to design a microwave pu...[Details]
0 Introduction
The PTZ controller designed with a single-chip microcomputer as the core can control the camera to move over a large range and at a wide angle in monitoring situations, so that ...[Details]
An important manifestation of the green revolution is green transportation. Electric vehicles have emerged as the times require, and their market demand is also showing an increasing trend. The long c...[Details]
Embedded System
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