China's mobile phone users reached 426 million, and the number of text messages sent increased by 45.8% 2006-7-25According to the 2006 first half year communication industry statistics report released...
The remaining time of the STEP 7 timer has BI and BCD outputs, one is INT data, the other is BCD code. If converted to INT data, when the timer setting time is less than 100S, the remaining time displ...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:38[/i] [size=14.0pt]0~500MHZ[/size][font=宋体][size=14.0pt]Digital sweeper, stepping[/size][/font][size=14.0pt]5KHZ,[/size][font=宋体][size=14.0p...
[font=微软雅黑][size=3]Friends who like SoC, have you been looking forward to getting an evaluation board to try it out? EEworld understands you! :victory:[/size][/font][font=微软雅黑][size=3] [/size][/font] ...
I used the power supply on the lower left, and found that the small servo on the top can rotate normally. It doesn't work with the big servo. The voltage drop is serious. I checked it on the oscillosc...
I am a sophomore student. Today is my first time to participate in the national competition. I would like to ask what software I need to prepare for the national competition? We use the 51 series stc1...
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[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]
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]