[i=s] This post was last edited by fengye5340 on 2014-8-14 07:46 [/i] [align=left][size=3][color=Blue][b][size=5]【Solution Introduction】[/size][/b][/color] [size=4] In the design of the power supply c...
Recently I saw a board with a 25P40VP chip on it. The logo is ST, which means it is a product of STMicroelectronics. However, I went to the official website to check the datasheet, but could not find ...
Which command can be used to register the smart device ocx developed by vc2005 on the pda? When registering, does the ocx have to be in the windows directory?...
RTOS system beat
Traditional RTOS uses a hardware timer to generate periodic beat interrupts as the system time base. In most applications, the system beat period is in milliseconds, and the resolutio...
Quote: [indent] Original post by [i]soso[/i] at 2009-2-27 14:57 [url=https://bbs.eeworld.com.cn/redirect.php?goto=findpost&pid=149786&ptid=72986][img]https://bbs.eeworld.com.cn/images/common/back.gif[...
Introduction to the Internet of Things : https://training.eeworld.com.cn/course/4182The purpose of this course is to enable students to fully understand the various technologies and applications relat...
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[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]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
1. Project Introduction
Beijing Benz-Daimler Chrysler Co., Ltd. is a joint venture between Beijing BAIC Group and Benz-Daimler Chrysler. In October 2005, it started to build a new automobile ...[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]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
Reliability and real-time performance are the basic requirements for control systems. Initially, motor control used analog circuits with discrete components. With the advancement of electronic tech...[Details]
Analogue and Mixed Signal
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