[color=black]The 2009 EEWORLD Person of the Year Selection has lasted for more than a month. During this period, thank you for your support and patience in waiting for the results! [/color] [color=bla...
Barcode handheld terminal application development!!! I have many years of experience in the barcode industry and have been engaged in the development of barcode handheld terminal applications. I have ...
[i=s]This post was last edited by qwqwqw2088 on 2018-4-4 11:45[/i] [size=4] Constant current and constant voltage charging is charged with constant current in the first stage; when the voltage reaches...
[p=30, null, left][color=rgb(34, 34, 34)][font="][size=4] The working principle and function of the encoder: It is a rotary sensor that converts rotational displacement into a series of digital pulse ...
[color=#000000][font=宋体][size=9pt]Hello teachers, who can sell me a set of complete products. As follows: the test medium is carbon dioxide gas, and the test items are dynamic pressure and temperature...
The method of generating the reference current in the entire APF is the core link. Only by generating the correct reference current signal can the harmonic and reactive current be well compensated. Wh...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[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. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[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]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]