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1 Introduction
Frequency measurement is the most basic electronic measurement technology. Commonly used frequency measurement methods have great limitations. Their measurement accuracy decre...[Details]
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Variable location: char tab1 _at_ 0x200;
Assignment: Assign values in the function, such as tab1 =0x01;
Constant location and initialization:
Create a new TABLE.C, write
char code table ={in...[Details]
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Key technologies of 4G communication system
Abstract This paper first puts forward the current limitations of the 3G system, and then summarizes the introduction and concept of 4G, and briefly intr...[Details]
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When using a pointer multimeter to detect DC voltage values, you can use the DC voltage block to detect the DC voltage value. Next, Engineer Chen from Instrument Work Online will introduce how to read...[Details]
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When you walk into the bathroom, your favorite music station is already playing, and the smart mirror has synced with your smartphone to display your daily schedule, current weather conditions and tr...[Details]
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2019 saw the launch of Wi-Fi 6 certified products, the deployment of shared spectrum, the launch of 5G phones and services in some cities, and the increased interest in private networks. In 2020, new...[Details]
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1. Current status of control system
In the 21st century,
LED
large-screen electronic
displays
are developing
towards higher
brightness
, higher weather resistance...[Details]
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There are several benefits to using a frequency converter on a winch:
Energy saving: The inverter can adjust the motor speed according to actual needs to avoid the motor running at high speed ...[Details]
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The plastic package forms and pin arrangement of some boost DC/DC converters are shown in the figure, and their main characteristic parameters are shown in the table
Some boost DC/DC conve...[Details]
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Key Management System (KMS), also known as KMS, is the core of IC project security. How to manage the key security runs through the entire life cycle of IC card application.
Contactless CPU card an...[Details]
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As science has developed, scientists have developed a variety of implantable devices that can be implanted in the human body, such as implantable chips and implantable stents. The purpose of ...[Details]
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On September 25, 2024, at the China Industrial Expo Smart Energy Exhibition • 2024 Yangtze River Delta New Energy Storage Industry Development Forum, Shanghai Zhongchuang Industry Innovation Research ...[Details]
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Since the performance of a single-chip microcomputer is vastly different from that of a computer, no matter in terms of space resources, memory resources, or operating frequency, they are incomparable...[Details]
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Today I used the serial port of stm32 and configured it to receive data. You can imagine what the result was, it was completely useless! Later, I slowly discovered the problem and made the following...[Details]
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On November 1, the Guangzhou Municipal Bureau of Industry and Information Technology issued the "Implementation Plan for Promoting the Construction of New Energy Storage Industrial Parks in Guangzh...[Details]
Mobile and portable
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