I have just finished learning the basics of 51 single-chip microcomputers, and I also know that 51 single-chip microcomputers are not enough in practical applications. Can you tell me what to learn af...
This morning I went to the Beijing Internet of Things Expo and saw the introduction of Magic Mirror! :)Can any friend tell me about the rearview mirror gateway for Internet of Vehicles?
http://weibo.c...
Part I: Concepts and definitions of power supply indicators 1. Describe several indicators that describe the impact of input voltage on output voltage. 1. Absolute voltage regulation coefficient. A. A...
[color=rgb(0,0,0)][backcolor=rgb(255,255,255)][p=28, 2, left]Camacho's sky-high liquidated damages finally became a reality. On the afternoon of July 2, representatives of the Chinese Football Associa...
I went to the courier to ask, but I missed a digit on the courier slip for my mobile phone number, so the board was returned. I thought I didn't have the courier slip number and couldn't find it. Plea...
In verify.cpp of WINCE500\PRIVATE\TEST\GWES\GDI\GDIAPI, there is a small code as follows: GetClipBox(TDC tdc, LPRECT lprc) { return GetClipBox(VALIDDC(tdc), lprc); } 1: Definition of VALIDDC: #define ...
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
The automotive power electronics market has grown rapidly as comfort and active safety features become more common. As traditional mechanical functions shift to electronic applications, the demand ...[Details]