[i=s]This post was last edited by .cn on 2014-3-31 00:51[/i] I just got in touch with the 430 microcontroller. I am still a novice. I would like to ask you a question: The board issued by the school w...
[align=left]Dynamic response generally refers to the response of the output of a control system from the initial state to the final state under the action of a typical input signal. When a unit step i...
[i=s]This post was last edited by Xiaoqianbaibai on 2017-3-29 08:43[/i] [size=4]I am an intern and came to the capital from Changchun alone. I was lucky enough to get an internship in my current compa...
I use MC39i to send PDU SMS. It takes 3 or 4 seconds to show ">" during the AT+CMGS step. Why? Is there any way to speed it up? I have seen others use MC39i, but they can usually send it out within 1 ...
I want to use LPC54102 to drive a PCF8591 AD/DA module, but I can't figure it out. I hope an expert can give me some advice. PCF8591 uses the I2C bus interface to write the period address 0x90 (write ...
I would like to ask everyone, if a system includes multiple levels of digital ground and analog ground, what will happen if these grounds are connected together?...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[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]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[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]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[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 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]
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]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
The automotive power electronics market has grown rapidly as comfort and active safety features become more common. As traditional mechanical functions shift to electronic applications, the demand ...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[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]