[p=22, null, left][color=rgb(14, 10, 10)][backcolor=rgb(251, 252, 254)][font=宋体](China E-commerce Research Center)Many people now live on the Internet, and searching for information on the Internet is...
Factories, enterprises, mines, operating workshops and other large-span spaces use LED emergency lighting and normal lighting together. They can quickly switch to EPS backup power after a city power o...
0 IntroductionPFC control strategies are divided into discontinuous current mode (DCM) and continuous current mode (CCM) according to whether the input inductor current is continuous, as well as the c...
A large dial made of 120 LEDs and a touch control at the end. In the eyes of Stargate fans, this is a portal.The production process of such a small gadget is not complicated. 10 curved circuit boards ...
Isn't it said that local variables can be automatically released? Why can't mine be released? For example: Write a little to explain the problem. key() //define a function { int a; } main() //main fun...
1. Is Ubeq a constant in a basic common emitter amplifier circuit? Does it only depend on the tube construction? If so, why? 2. Is the Si tube 0.6-0.8 and the Ge tube 0.1-0.3 volts?...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[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]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]