It is used in the centralized meter reading system, data collection, and street light system control of the three-meter industry. It can choose a one-to-many star networking method or a tree networkin...
[color=#FF0000]Design the course experiment according to the following requirements[/color] 1. The system consists of two parts: host (PC) and target (experiment box). It forms a C/S structure or a pe...
created by omat Source: [url=http://blog.21ic.com/user1/405/archives/2006/17765.html]http://blog.21ic.com/user1/405/archives/2006/17765.html[/url] 1. Main interference channels and anti-interference m...
As people reach middle age, their anxiety becomes more and more serious. In this issue of XXTALK, Xin Xin just wants to talk to you about retirement. What? Retirement! I am 31 years old, and I believe...
[size=3]Today, I was chatting in the EEWORLD development board exchange group (309018200), and @lcofjp mentioned that he wanted to practice Linux in seclusion. Linux is very popular. Suddenly, I found...
The P87LPC779 is a 20-pin packaged microcontroller that can achieve highly integrated, low-cost solutions under a wide range of performance requirements. As a member of the Philips small package serie...
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]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[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
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]
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]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[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]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]