[i=s]This post was last edited by qwqwqw2088 on 2021-6-9 08:20[/i]The USB to serial port chip CH342 is used to expand 2 high-speed asynchronous serial ports for the USB host, supporting a serial port ...
[color=#333333][font=arial, 宋体, sans-serif][size=14px] ASN.1 describes a data format for representing, encoding, transmitting and decoding data, and is very useful for data transmission in the field o...
The address automatically assigned when the network cable is not plugged in is: IP:169.254.183.194 mask:255.255.0.0. After manual update, it changes to 0.0.0.0, but it is automatically assigned again ...
The frequency sweep signal generator I designed is designed directly using the FPGA's frequency divider + ROM table. I defined 4 buttons, the first 3 of which control the frequency control word. How d...
SinoWise's SH66xx series 4-bit microcontrollers have the characteristics of fast speed, low power consumption, simple structure, easy to use, and high cost performance. They are widely used in remo...[Details]
Microelectromechanical systems (MEMS) are gradually entering the consumer, industrial, medical, automotive and computer application markets. Moreover, we cannot ignore their steady progress in the ins...[Details]
Blood pressure is one of the important physiological parameters of the human body. Accurate measurement of it is conducive to early detection and identification of hypertension types, and to the pro...[Details]
This summary will introduce the transmitter characteristic test of TD terminal products - uplink power control. According to the 3GPP TS34.122 standard, UE uplink power control is divided into uplink ...[Details]
1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
1 Introduction
Generally, when transmitting information over short distances through electrical signals, baseband signals can be directly transmitted. However, over long distances, baseban...[Details]
With a 31-step dimming range, existing LED drivers offer good dimming capabilities, providing smooth backlight boosting or dimming effects for LCD displays. However, when the end application involv...[Details]
With the improvement of people's requirements for vehicle riding comfort and the development of passenger car suspension technology in my country, air suspension is increasingly used in passenger ...[Details]
The third generation iPhone, iPhone 3G S, has finally been released. Let's take a look at the differences in basic parameters between it and the previous generation iPhone 3G.
According to for...[Details]
Intelligent video analysis system is the development direction of monitoring. This technology is not far away from us. The 1,300 channels of the Qinghai-Tibet Railway use video analysis to protect ...[Details]
Femtocell is similar to Home Node B, a small, low-cost cellular access point used to improve network coverage in personal residences and small business buildings. Usually, it is directly connected ...[Details]
For electronic products, especially consumer products, the ultimate challenge of user interface design is how to transform complex user control actions into an intuitive, convenient and productive ...[Details]
Current-pressure sensors (often called I/P) are often used in situations where electrical signals are used to control pneumatic valves. These sensors, which can convert standard electrical signals int...[Details]
0 Introduction
Intelligent transportation system is the development trend of future transportation system, and intelligent vehicles play a very important role in intelligent transportation...[Details]
1. Introduction
"Security prevention" is a special term for the public security system, which refers to measures such as anti-intrusion, anti-theft, anti-destruction, fire prevention, anti...[Details]
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