Originally, we used the 2440 chip without the system, and the Boot was also compiled by ourselves. In addition to booting the subsequent applications, the Boot can also burn programs. The Boot operati...
MixingMixing is the process of converting a signal from one frequency to another. Its essence is the process of linearly moving the spectrum. Simply put, it is the multiplication of two signals. The r...
I just learned about power amplifiers, and I have a relatively simple question for you. Please see the picture. This is a class AB output power amplifier. I want to ask why there is no coupling capaci...
dear all: I'm working on a HW 3G card recently, a USB virtual serial port driver under WinCE. In USB, there are 8 groups of interfaces, and I use another group with 2 endpoints, endpoint 8 is OUT to w...
At present, the video surveillance system is in the process of transforming from a DVR-based structure to a distributed, networked, intelligent, and intelligent structure based on each video point. Th...
[p=26, null, left][color=#000][font=Arial][size=14px] Author: gooogleman Date 2013.09.04[/size][/font][/color][/p][p=26, null, left][color=#000][font=Arial][size=14px] I have been very busy recently, ...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]