Application of Communication Protocol Macro in PLC Control 1. Introduction With the rapid development of microcomputer control technology, power electronics technology and electrical transmission tech...
Today's wireless communications rely on a large number of independent devices, each with its own protocol and operating on a fixed frequency band. Because these devices cannot communicate with each ot...
Without further ado, just look at the pictures! I bought this a while ago, and I've been busy with other things recently, so this is still unopened! I also bought a 350W communications power supply, a...
I'm a novice and don't understand much. I downloaded some program projects on the Internet. I used CCSV5. The project files have three program files: main.c, XXXX.c and XXXX.h. They are the same as th...
[i=s] This post was last edited by Xiao Meige on 2015-4-8 16:48 [/i] [align=center][size=12.5pt][font=Calibri]Basic Principles of DDS [/font][/size][size=12.5pt] [/size][/align][align=center][font=Cal...
There are two serial ports on S3C2410, one connected to the HyperTerminal and the other connected to MC55. I installed a LINUX system on S3C2410. How can I operate MC55 on the HyperTerminal? My MC55 m...
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[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]
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]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[Details]
The battery and its management system are one of the key technologies of electric vehicles. In the past few years, most companies have encountered embarrassment in the development of electric vehic...[Details]