Author: Luo Xunding, University of Electronic Science and Technology of ChinaAbstract:The prepaid energy meter is realized by using the RFID technology with good confidentiality, good quality and low ...
I am now working on STM32 system ARM, using IAR5.4 for development. I downloaded the STM32 V3.2 firmware library from the Internet and always got an error when porting it to IAR5.4. The main problem i...
I always feel that EEWORLD lacks some practical discussion! It's not classic enough! Many people seem to come here just to "sell" electronic materials! I personally think there are too few things wort...
[font=微软雅黑][size=4] Lauterbach, a manufacturer of high-end hardware-assisted debugging tools, has launched a new product - a new integrated debugging and tracing solution to respond to the breakthroug...
The program is as follows: #include "SPI.h" #include "io430.h" unsigned char rmsec=0, rmin=1,rsec=2,rhr=3, rdow=4, rdate=5,rmon=6,ryr=7; /* Function name: SPI1_Init Function: Initialize variables of M...
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[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]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[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]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[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]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
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