The signal strength of a mobile phone is -109dbm, 31asu--- Why is dBm a negative value? -100dbm and -120dbm, which signal is stronger? What does 31asu mean?...
eSIM (also known as eUICC) is the next generation of SIM card technology. It evolves the traditional SIM card from a limited "one network" capacity to a smart, rewritable and network-agnostic module. ...
On the Compass and level app I created, I found that the compass needle was pointing to the west when it should be pointing to the east.Below are two pictures showing the difference in direction betwe...
As the title says, I need help finding a serial port assistant that can send commands alternately and supports 2400 baud rate
I have a device that can send commands alternately, but it doesn't support...
[i=s]This post was last edited by yilonglucky on 2019-3-12 11:11[/i] The National Computer Technology and Software Professional Technical Qualification (Level) Examination is now open for online regis...
SATA and USB3.0 are re-timing serial communication interfaces. Their receiver tests are different from traditional receiver tests and have higher requirements on the instruments. The instruments are ...[Details]
In March, in Shangyi County, Bashang, Zhangjiakou, Hebei Province, a pumped storage power station project is under intensive construction on the top of the mountains. This is the Shangyi Pumped Storag...[Details]
【Core Viewpoint】
(The development of intelligent cockpits for passenger cars will surely serve as a precedent for commercial vehicles)
1. Stage focus: Before full autonomous d...[Details]
Lenovo seems to be all set to launch the recently launched Lenovo K12 smartphone globally. The smartphone may be called Lenovo K12 Global Edition, but it is essentially a Moto E7 with a differen...[Details]
Telecoms research group Cambridge Wireless has refused to bow to the UK's political consensus and teamed up with Huawei on its latest 5G joint venture. They will build a private 5G network at Cambrid...[Details]
As part of a $5 million award from the United States Department of Energy's Vehicle Technologies Office, researchers at Purdue University's Elmore Family School of Electrical and Computer Engineeri...[Details]
Earlier, there were rumors that TSMC would raise the price of its chip foundry business by up to 20%. TSMC responded that it would not comment on this matter. According to the latest report from the ...[Details]
According to the official website of the White House and the U.S. Treasury Department's Office of Foreign Assets Control (OFAC), Biden signed an executive order on June 3rd local time to restrict U.S...[Details]
1. Types and causes of signal interference in inverter systems
1. Signal ground current interference in the inverter system
In the process of industrial production, various automatic inst...[Details]
Bourns’ latest over-temperature protection miniature circuit breaker components—all series meet automotive grade and AEC-Q200 standards^ The Bourns® AD and SD series meet the stringent regulations ...[Details]
Chip debut | Dual-core convergence and dual-optical fusion Cool Core brings a new generation of dual-spectrum chip solutions to the 2022 Shenzhen AI Conference Recently, Shanghai Coolchip Microele...[Details]
On September 19, according to the WeChat official account of Shanghai Micro Electronics Equipment Group, on September 18, Shanghai Micro held a new product launch conference and announced the launch ...[Details]
With the rapid development of automobile technology, more and more electronic systems and functions are introduced into automobiles, bringing great improvements to driving experience and safety. Ho...[Details]
How to use electromagnetic flowmeter to improve oil recovery rate, this technology can improve the oil recovery rate by changing the oil and oil fluid physical and chemical properties. It is a gener...[Details]