1. Discover the problem Our school has an electronic reading room with 24 computers. We applied for ADSL to access the Internet. ADSL is said to be broadband, but since using ADSL, the Internet spee...
[i=s]This post was last edited by eric_bestmyself on 2018-12-29 11:28[/i] [color=#333333][font=微软雅黑, 微软雅黑, "][size=14px]I got a Xiaomi thermostatic kettle at EEWorld (very grateful) in June 2018. I wa...
[size=4]1. The filtering effect of capacitors[/size] [align=center][size=4] [/size][/align][size=4]That is, the larger the frequency f, the smaller the impedance Z of the capacitor. [/size] [size=4]Wh...
Translated from the 1997 high-performance system design conference . Original author Donald Telian Abstract : Unlike a mature discipline, signal integrity engineering methods and practices are not wel...
/**
* Date of writing: 2013.05.16
* Author: Xiao Su
* Function: MCU music - Mom is the best in the world
* Instructions: Output port P0.4 STC89C52RC test passed
******************************...[Details]
CAN bus
CAN is the abbreviation of Controller Area Network
(hereinafter referred to as CAN), which is an ISO internationally standardized serial communication protocol. In the automotive i...[Details]
introduction
Networked control systems (NCS) refer to control systems in which the intelligent devices, i.e. sensors, controllers and actuators, are distributed in different geographical space...[Details]
LED display is a flat display screen composed of light-emitting diode dot matrix modules or pixel units. It has the advantages of high luminous efficiency, long service life, flexible configuration...[Details]
Electricity and magnetism are phenomena that have always existed in nature. In addition to the naturally existing electromagnetic fields, people have also developed electrical appliances to facilitate...[Details]
One of the challenges for LED lamp designers is to create lighting systems that produce constant light output without noticeable flicker. In systems using single-stage LED drivers , flicker-free...[Details]
Some Apple Watch Series 3 users have complained that the watchOS 7 update is causing their devices to crash and shut down, which could be an early issue with the operating system. The launch of a n...[Details]
How popular is ABC (A-artificial intelligence, B-big data, C-cloud computing)?
As a journalist working in the traditional energy sector, I attended three ABC-related themed exhibitions in Fuzh...[Details]
A digital/analog converter is a device that converts digital quantity into analog quantity, referred to as D/A converter or DAC (Digital to Analog Con-vetter). It is a key device in digital control sy...[Details]
On February 19, a signing ceremony for the Tairuimei Precision Manufacturing Project in Yangzhou Economic and Technological Development Zone was held. The total investment of the Tairuimei Precisio...[Details]
According to the Wall Street Journal website, chipmaker Nvidia predicts that its automotive business sales will reach a turning point later this year, indicating that the booming demand for increasin...[Details]
1. Place the rectifier properly and keep it stable. To ensure good ventilation of the rectifier, there should be no objects within 0.5m around it. In addition, avoid the power supply working in a...[Details]
Xinhua News Agency learned from the Ministry of Industry and Information Technology today (26) that the total shipments of the domestic mobile phone market in January 2020 were 20.813 million units, ...[Details]
As the automotive industry continues to develop, technical developers, scientific researchers, etc. are increasingly interested in autonomous driving. Autonomous driving is not a single technology,...[Details]