UPS Knowledge Explanation[size=2][b]1. Types and working principles of UPS[/color][/color][/size][/b][/size][size=2][color=#0000ff][color=black]UPS is a power protection device that contains energy st...
I recently wrote a scanner program in C#, which called an ActiveScan2800M.dll file. However, during the execution, it told me that the following error occurred: the class was not registered and the CO...
I downloaded Altium Designer 14.2.3, which is 4.3G, and the downloaded Altium Designer 14.3.15 Build 35511 is 2.96G, and the downloaded AD 14.3.16 is 1.26G. Why is the installation file smaller with h...
[align=center][color=red][font="][size=16.0pt]Storage has me, memory has you[/size][/font][/color][/align][align=center][color=red][font="][size=16.0pt]Memory Technology 2018 Campus Recruitment[/size]...
I have been debugging ZigBee these days, using Jennic's 5139M4. Now other applications have been debugged, but there is a problem with the AD sampling part. There are 4 AD sampling pins on the 5139, b...
Have you ever wondered which light on your Christmas tree is the brightest during the Christmas holidays? A photodiode can help you determine the brightness of those lights. However, it can still be a...
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]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[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]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[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]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
DCDC means DC to DC (conversion of different DC power values). Anything that meets this definition can be called a DCDC converter. Specifically, it means converting the input DC into AC through a s...[Details]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
This paper describes the design method of electronic multifunctional watt-hour meter, the key technology of hardware design and the software design process. Taking NEC's μPD78F0338 microcontroller ...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
Preface
DS18B2 is generally used in conjunction with a single-chip microcomputer, and there are few reports on
the interface between
DSP
and DS18B20. Therefore, this article introdu...[Details]