I wrote a log thread class on a PC. When I switched to a mobile device, it prompted that StreamWriter.Dispose() was inaccessible because it was restricted by the protection level. After I commented th...
Do chips have to be made small? 3 nanometers, 1 nanometer, or even 0.1 nanometer or smaller? On a whim, can we do the opposite? Make a number of chips, which we will temporarily call infinitely large,...
Abstract: Zinc oxide nonlinear resistors are widely used in power system overvoltage protection and surge energy absorption. A power supply for testing them is studied. The test power supply uses a ca...
I saw an example on page 97 of Xia Yuwen's book. I tried to do it, but it didn't work.Code:
`timescale 1 ns/ 1 ps
module LAMP_vlg_tst();
// constants
// general purpose registers
reg eachvec;
// test ...
Hello everyone, I am a newbie. I have a very simple question. I saw someone use the four output terminals of 74ls160 to connect the four pins of 7-segment digital tube in a design drawing, but doesn't...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
introduction
Temperature and humidity are the main environmental parameters of industrial and agricultural production. It is of great significance to measure them accurately and timely. Using a s...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]
At present, single-chip microcomputers have been widely used in home appliances, medical treatment, instrumentation, industrial automation, aerospace and other fields. The more popular types of sin...[Details]
Hollysys' LM series PLC products fully consider the difficulties in integrating machines, equipment and subsystems in large control systems, and provide a variety of open communication protocols and i...[Details]
The situation of "excessive neutral current" mentioned here means that when the three-phase load is balanced, the neutral current is still too large, and the neutral current is more than 1.5 times ...[Details]
Embedded System
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