I added 2 dialog boxes to a project. In the first dialog box, click F1 to display the second dialog box. When you click Exit in the second dialog box, the first dialog box will be displayed. Then when...
I don't know what the reason is. I just fixed it. I searched a lot of information on the Internet to solve it, but it still doesn't work. Can any senior help me solve it? Thank you again... When insta...
I encountered a strange phenomenon these days. I used the Maxim 6543 chip. During the serial communication debugging process, I set the serial mode to have parity bit. There was no problem communicati...
The turtle was crawling on the beach. Not far ahead, he saw an egg and started chatting with it.Hey, how are you? I noticed your skin is so elastic today. Where did you go for beauty treatment?The egg...
[i=s] This post was last edited by elec32156 on 2017-8-3 17:57 [/i] As shown in the figure, this is a transistor charging circuit, U303 is a charging transistor, Q301 is an NMOS, the principle should ...
SinoWise's SH66xx series 4-bit microcontrollers have the characteristics of fast speed, low power consumption, simple structure, easy to use, and high cost performance. They are widely used in remo...[Details]
Microelectromechanical systems (MEMS) are gradually entering the consumer, industrial, medical, automotive and computer application markets. Moreover, we cannot ignore their steady progress in the ins...[Details]
As a branch of signal and information processing, digital signal processing has penetrated into various fields of scientific research, technological development, industrial production, national defens...[Details]
Third generation (3G) mobile phones offer a variety of features with more functionality. As consumers enjoy the latest and better features of these communication devices, they continue to demand lo...[Details]
0 Introduction
Today, with the rapid development of electronic technology and the emergence of new multifunctional electric energy meters, the choice of memory in the electric energy m...[Details]
introduction
The most common flight state of a fixed-wing aircraft is horizontal flight. If it is allowed to fly at a large angle, the action cannot be maintained all the time. If it is al...[Details]
When using GPS for positioning, it will be affected by various factors. The factors that affect the accuracy of GPS positioning can be divided into the following four categories (see the figure be...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its excel...[Details]
Abstract: By controlling the supply voltage of the radio frequency (RF) power amplifier (PA) in a CDMA/WCDMA cellular phone, the PA efficiency can be improved, heat generation can be reduced, and t...[Details]
Abstract:
Aiming at the problems of repeated design and high cost of existing LED large-screen displays, a modular LED large-screen display is proposed, which can realize flexible configurati...[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]
Intelligent video analysis system is the development direction of monitoring. This technology is not far away from us. The 1,300 channels of the Qinghai-Tibet Railway use video analysis to protect ...[Details]
1. Overview
"The key to understanding the future of television is to stop viewing television as television. Thinking about television from the perspective of bits can bring it the greatest...[Details]
After being widely adopted in applications such as backlighting of portable products with small and medium-sized screens, light-emitting diodes (LEDs) have entered the field of general lighting in ...[Details]
Broadcom Corporation announced that its integrated digital TV system-on-chip (SoC) solution, the BCM3549, has been selected by LG Electronics for use in two new broadband high-definition television...[Details]