Request for help: I am using a C80851F34X series microcontroller. When I am doing USB-related programs, an unknown device always appears in the device description table. I try to install the driver bu...
I am learning ing by myself following the online materials. When I change the Width and Height, the values automatically return to the current values and cannot be changed. [[i] This post was last edi...
I am studying ucosii and reading Zhou Hangci's "Programming Technology Based on Embedded Real-time Operating System (Second Edition)".See Chapter 10, Example 2:
Using timer interrupts to control the s...
[b]Preface[/b] The design of the lithium-ion[/url][url=http://article.ednchina.com/word/157429.aspx]battery[/url][url=http://article.ednchina.com/word/157428.aspx]protection chip[/url] is closely rela...
1 Introduction
The multifunctional monitor is a commonly used clinical medical device. It can display the patient's electrocardiogram (ECG), respiration (RESP), blood oxygen saturation (SP...[Details]
This article first briefly introduces the working principles of current mode and voltage mode and their respective advantages and disadvantages; then discusses the ideal voltage mode using output c...[Details]
introduction
Mobile phones, MP3 players, hard disk players, digital cameras, PDAs and other devices are all controlled by navigation keys. Currently, the more popular navigation key contro...[Details]
Designers of handheld products such as cell phones, digital cameras, MP3 players and personal digital assistants (PDAs) are continually challenged to deliver more functionality in a smaller form...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pres...[Details]
introduction
Like other
portable
electronic products,
blood flow parameter detectors
need to be small, thin, durable, reliable, and have a long standby time. Therefore, system desi...[Details]
Preface
For a long time, SD cards with Flash Memory as storage have been widely used in consumer electronic products due to their small size, low power consumption, erasable and non-volati...[Details]
Murphy's Law tells us that "what can go wrong, will go wrong". In the testing or production process of video equipment, problems often occur when we least want them to happen and when it is leas...[Details]
introduction
With the improvement of social automation, human-computer interaction capabilities urgently need a major change, and develop in a direction that is more convenient to use and more...[Details]
The rapid growth of consumer video applications, from portable media players and cell phones to video game consoles, requires a multitude of different interfaces and adapters to enable users to tra...[Details]
At present, ECG monitoring systems that mainly collect, analyze and diagnose ECG signals have been widely used, and have played a great role in the prevention and diagnosis of heart diseases.
...[Details]
0 Introduction
In modern industrial production and scientific and technological research, various data usually need to be collected. The commonly used data acquisition board collection met...[Details]
Overview and application status of IC card access control
IC Card Access Control Overview
System Overview: Use IC card as the carrier to realize identity recognition and access co...[Details]
After more than 20 years of development, Ethernet has become an indispensable part of the underlying connection in modern Internet. It is easy to network and has better openness, making it one of t...[Details]
1. Overview
At present, there are many cases related to motor vehicles among all kinds of criminal crimes, such as hit-and-run, theft and robbery of motor vehicles, etc. If an automatic mo...[Details]
Embedded System
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