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...
Bad news seems to be coming one after another. According to the downward trend of the smartphone market in the second half of last year, the shipment slowdown has become more obvious since 2022. In a...[Details]
Circuit principle: Although OOK modulation has poor performance, its circuit is simple, easy to implement, and stable in operation. Therefore, it has been widely used. Such circuits are almost ...[Details]
DisplayPort has come a long way from being an effort to establish a new external and internal video interface to becoming the next generation PC interconnect and a viable industry standard intercon...[Details]
Apple released two beta versions in one week, which means that the official version of iOS 12.3 will be available to us soon. Today, Apple released the sixth beta of iOS 12.3, just a few days af...[Details]
China Energy Storage Network:
Recently, the development of the pneumonia epidemic caused by the novel coronavirus has touched the hearts of all Chinese people. As a key state-owned enterprise...[Details]
Cyberattacks come in many shapes and forms, whether it's damaging equipment, stealing information or holding users ransom. Now, researchers have demonstrated a new potential Industrial IoT attack tha...[Details]
●At present and for a long time in the future, energy demand will continue to slow down, and people’s expectations for energy industry reform and demand for product diversification will be more urg...[Details]
As the uplink and downlink data rates supported by wireless networks continue to increase, the application of mobile phones in data services continues to emerge. More and more people are using mobi...[Details]
The Pittsburgh
Robotics
Network (PRN) has announced new board and executive officer changes, marking a new phase for the nonprofit organization dedicated to promoting innovation and growth ...[Details]
1. MCU interrupt system
1. Basic features
There are 5 fixed interrupt sources, 3 of which are on-chip and 2 are off-chip. They all have their own fixed interrupt entry addresses in the program memor...[Details]
1 Hardware Circuit Principle
The metronome uses the AT89C51 single-chip microcomputer as the control center, and is composed of an LED display module, an adjustment keyboard module, and a soun...[Details]
Portable medical devices that diagnose health problems in and outside the physician's office or hospital are rapidly increasing. Portable healthcare devices help medical professionals monitor vital...[Details]
1. Change the target name After opening Keil, the target in the Project Workspace on the left can be modified. The method is: right-click Target - Manage Compnents - double-click the item to be modif...[Details]
Since August 1, 2003, China's electronic product quality compulsory certification system (3C certification) has been in place for nearly three years. The state has taken corresponding compulsory measu...[Details]
With
the development of
intelligent driving
technology, the industry has
gradually moved
from early
autonomous driving
based on simple rules and modular logic
to highly complex intel...[Details]
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