[i=s]This post was last edited by Beifang on 2019-7-10 13:55[/i]Streamlining mobile phone system design
1. Overview
The streamlined mobile phone system design is an open streamlined mobile phone based...
Dear friends, I bought an RK3566 advertising machine motherboardfrom Xianyu and was tricked by a bad merchant. So far, I have found three scams.First, before I bought it, the seller said it was Gigabi...
I am currently making a broadband DC amplifier according to the design report that won the first prize in Group C of the 2009 National Electronic Design Competition. I would like to ask someone who ha...
I have been looking at the general timer of stm32 these days, and I am very confused about the output comparison of the timer. There are mainly the following points:1. The output mode has several mode...
Embedded Linux is an embedded operating system based on Linux. It is widely used in mobile phones, personal digital assistants (PDAs), media players, consumer electronics, and aerospace. Embedded Linu...
First Prize: Most Popular Award: "Sister by the Songhua River, Colorful Sun" [url=https://bbs.eeworld.com.cn/thread-87820-1-2.html]https://bbs.eeworld.com.cn/thread-87820-1-2.html[/url] Author: [color...
Today's portable medical devices allow patients to diagnose and treat themselves, move around freely, and even use the devices when they are out and about. To achieve the "easy to carry" feature, po...[Details]
As medical equipment develops towards intelligence, miniaturization, serialization, digitization, and multi-functions, the logic control devices in medical equipment have also evolved from medium- a...[Details]
introduction
At the beginning of this century, Veit used Einthoven's galvanometer to record the electrical activity of the human pregnant uterus from the body surface for the first time. In 19...[Details]
Preface
Sleep apnea is a very common sleep breathing disease. According to research, about 24% of adult men and 9% of adult women, or more than 2 million people, suffer from this disease ...[Details]
JTAG Technology Introduction
One disadvantage of shrinking technology is that the complexity of testing small devices increases dramatically. When the board area is large, the board is tested...[Details]
Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[Details]
1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
In order to meet the requirements of video systems, industrial and medical display and video transmission applications such as eliminating the limitation of long connection cables, increasing data ...[Details]
Volkswagen's electronic throttle has taken our understanding of the traditional throttle a big step forward. However, while we admire Volkswagen's new technology, which is constantly being applied...[Details]
1. Basic circuit characteristics of power amplifier
The basic circuit of the complementary symmetrical OTL power amplifier is shown in Figure ①. Among them: C1 is the signal input coupling ele...[Details]
With a 31-step dimming range, existing LED drivers offer good dimming capabilities, providing smooth backlight boosting or dimming effects for LCD displays. However, when the end application involv...[Details]
Capacitive sensing user interfaces are emerging as a practical and innovative alternative to mechanical buttons in mobile phones. While capacitive sensors can be viewed as a drop-in replacement fo...[Details]
Abstract:
Online dynamic signature authentication is increasingly used in various fields, especially in banking and financial systems and personal identification. As the basis of online signa...[Details]
Focus shift problem
Visible light and infrared light have different wavelengths, so the imaging focus is not on the same plane, which results in a clear image under visible light condition...[Details]
After more than ten years of technological development and application market cultivation, biometric technology has been applied on a large scale in many application fields. As far as the Chinese m...[Details]