[size=4]I. Introduction to RFID Technology RFID is the abbreviation of Radio Frequency Identification, commonly known as electronic tag. It is a contactless automatic identification technology that au...
For example: [img=499,565]https://bbs.eeworld.com.cn/attachments/month_1306/20130630ehva1bmyvmxgkrqo.jpg[/img] From: [url=https://bbs.eeworld.com.cn/thread-375219-1-1.html]https://bbs.eeworld.com.cn/t...
Hardware introduction of functional modules--I2CI2C (Inter Integrated Circuit) bus is a half-duplex, bidirectional two-wire synchronous serial bus developed by PHILIPS. I2C bus only needs two signal l...
My data table is too big, it seems that it cannot be saved.When compiling, it prompts--------------------------- carrier64161.pjt - Debug --------------------------\"d:\\ti\\c6000\\cgtools\\bin\\cl6x\...
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]
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]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[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]
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]
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]
For a long time, my country has implemented "community-style collective heating" for hot water heating, and settled accounts based on the heating area, regardless of whether the user uses heat. Thi...[Details]
Many industrial fields such as industrial automation, logistics, and smart grids require that machinery and products be safe and have passed functional safety certification. When developing machine...[Details]
Background
The proliferation of ultra-low-power wireless sensor nodes for measurement and control purposes, combined with new energy harvesting techniques, has made it possible to create ful...[Details]
introduction
This paper mainly studies the problem of voltage sag control. For sensitive load equipment with rectifier inverter structure, this paper proposes a DC dynamic voltage restorer (Dy...[Details]
Abstract Aiming at the harm caused by mobile phone microwave radiation to human body and the incompatibility between mobile communication network and fixed-line network, a PSTN voice gateway using ...[Details]
New processors in laptops place higher demands on power supplies: higher current, faster response to load steps, and faster adjustment of output voltage after the voltage identification (VID) code ...[Details]
1. Introduction
Industrial automation technology, mainly characterized by the application of computers in industrial control and management, has made great progress in the past 20 years. S...[Details]
Abstract: Based on CPLD as the core, a manageable SAS hard disk backplane is designed. While conveniently replacing the faulty hard disk, it can indicate the working status of the hard disk by cont...[Details]