[size=3][font=微软雅黑]When people post questions on forums, they may not get a reply in time due to unpopular, niche, unclear description and other reasons. When they look back after a while, they find t...
Actually, I started to modify it last night. I found many bugs that I didn't notice at the beginning. I also modified some sub-functions. But so far, I still don't fully understand the last code block...
At present, the application of embedded computer systems is showing a trend of diversification, miniaturization and multi-levelization, and plays an increasingly important role in industrial sites and...
[color=#FF0000][b]Thoughts on code relocation (1)----PC base address jump[/b][/color] The so-called code relocation is to move the executable code to another address in the memory. The OS usually copi...
The speed formula of three-phase asynchronous motor is: n=60f/p(1-s) As can be seen from the above formula, changing the power supply frequency f, the number of pole pairs of the motor p and the slip ...
The U.S. Food and Drug Administration (FDA) points out that home health care is the fastest growing area in the medical device industry. Driven by the increase in average life expectancy, the increasi...[Details]
1. Introduction
At present, with the continuous development of modern medical devices, especially electronic instruments directly connected to the human body, in addition to the increasingly high...[Details]
Ultrasound systems are among the most sophisticated and complex signal processing instruments in widespread use today. Like any complex instrument, there are many trade-offs to be made in implement...[Details]
The microwave multifunctional therapeutic device uses microwave radiation for heating treatment, which can achieve the effects of sterilization and blood circulation. Using microwaves to directly c...[Details]
1.
Introduction
With the rapid development of modern computer technology and Internet technology, embedded systems have begun to occupy the mainstream of the market. Due to the high ...[Details]
Abstract:
QT1101 is a QTouch charge transfer (QT) device, a complete digital controller that can detect signals when approaching or touching up to 10 independent keys. It can be widely used i...[Details]
Abstract: CC2420 is a 2.4GHz RF chip introduced by Chipcon that complies with the IEEE 802.15.4 specification. It is used to develop ZigBee devices and products for PAN networks such as industrial ...[Details]
The four-element infrared detector uses photosensitive elements, and the alarm is triggered only when each detector detects a signal. It has stronger anti-false alarm capability and better detectio...[Details]
With the development of the electronics and data industries and the promotion of distributed power supply systems in recent years, the application of DC-DC converters has become more and more wides...[Details]
In the past one or two years, driven by Apple's iPhone, the smartphone market has expanded rapidly. An important feature of portable products such as smartphones is that they have more and more fun...[Details]
1 Introduction
Rectifier circuits, especially single-phase bridge controlled rectifier circuits, are the most important and widely used circuits in power electronics technology. They are n...[Details]
From the perspective of current embedded consumer electronic products, media processing is gradually integrated with wireless communication and 3D games. Its powerful functions have brought about a...[Details]
introduction
SPI (Serial Peripheral InteRFace) is a synchronous serial peripheral interface introduced by Motorola. Due to its advantages such as simple protocol implementation and fast tr...[Details]
1 Introduction
LED video display screens have the advantages of high brightness, wide viewing angle, long life, high cost performance, and the ability to display various texts, graphics, a...[Details]
1 Introduction
Introducing the power factor correction (PFC) technology in the switching power supply can, on the one hand, make the power input current and input voltage waveform in phase...[Details]
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